Grade 5 · Science

Make observations and measurements to identify materials based on their properties

Quarter 1 · Week 9 · TEKS + NGSS

Standards Alignment

5-PS1-3 primary
Make observations and measurements to identify materials based on their properties.

View 27 supporting standards

TEKS.SC.5.01A supporting
ask questions and define problems based on observations or information from text, phenomena, models, or investigations;
TEKS.SC.5.01B supporting
use scientific practices to plan and conduct descriptive and simple experimental investigations and use engineering practices to design solutions to problems;
TEKS.SC.5.01C supporting
demonstrate safe practices and the use of safety equipment during classroom and field investigations as outlined in Texas Education Agency-approved safety standards;
TEKS.SC.5.01D supporting
use tools, including calculators, microscopes, hand lenses, metric rulers, Celsius thermometers, prisms, concave and convex lenses, laser pointers, mirrors, digital scales, balances, spring scales, graduated cylinders, beakers, hot plates, meter sticks, magnets, collecting nets, notebooks, timing devices, materials for building circuits, materials to support observations of habitats or organisms such as terrariums and aquariums, and materials to support digital data collection such as computers, tablets, and cameras to observe, measure, test, and analyze information;
TEKS.SC.5.01E supporting
collect observations and measurements as evidence;
TEKS.SC.5.01F supporting
construct appropriate graphic organizers used to collect data, including tables, bar graphs, line graphs, tree maps, concept maps, Venn diagrams, flow charts or sequence maps, and input-output tables that show cause and effect; and
TEKS.SC.5.01G supporting
develop and use models to represent phenomena, objects, and processes or design a prototype for a solution to a problem.
TEKS.SC.5.02A supporting
identify advantages and limitations of models such as their size, scale, properties, and materials;
TEKS.SC.5.02B supporting
analyze data by identifying any significant features, patterns, or sources of error;
TEKS.SC.5.02C supporting
use mathematical calculations to compare patterns and relationships; and
TEKS.SC.5.02D supporting
evaluate experimental and engineering designs.
TEKS.SC.5.03A supporting
develop explanations and propose solutions supported by data and models;
TEKS.SC.5.03B supporting
communicate explanations and solutions individually and collaboratively in a variety of settings and formats; and
TEKS.SC.5.03C supporting
listen actively to others' explanations to identify relevant evidence and engage respectfully in scientific discussion.
TEKS.SC.5.04A supporting
explain how scientific discoveries and innovative solutions to problems impact science and society; and
TEKS.SC.5.04B supporting
research and explore resources such as museums, libraries, professional organizations, private companies, online platforms, and mentors employed in a science, technology, engineering, and mathematics (STEM) field to investigate STEM careers.
TEKS.SC.5.05A supporting
identify and use patterns to explain scientific phenomena or to design solutions;
TEKS.SC.5.05B supporting
identify and investigate cause-and-effect relationships to explain scientific phenomena or analyze problems;
TEKS.SC.5.05C supporting
use scale, proportion, and quantity to describe, compare, or model different systems;
TEKS.SC.5.05D supporting
examine and model the parts of a system and their interdependence in the function of the system;
TEKS.SC.5.05E supporting
investigate how energy flows and matter cycles through systems and how matter is conserved;
TEKS.SC.5.05F supporting
explain the relationship between the structure and function of objects, organisms, and systems; and
TEKS.SC.5.05G supporting
explain how factors or conditions impact stability and change in objects, organisms, and systems.
TEKS.SC.5.06A supporting
compare and contrast matter based on measurable, testable, or observable physical properties, including mass, magnetism, relative density (sinking and floating using water as a reference point), physical state (solid, liquid, gas), volume, solubility in water, and the ability to conduct or insulate thermal energy and electric energy;
TEKS.SC.5.06B supporting
demonstrate and explain that some mixtures maintain physical properties of their substances such as iron filings and sand or sand and water;
TEKS.SC.5.06C supporting
compare the properties of substances before and after they are combined into a solution and demonstrate that matter is conserved in solutions; and
TEKS.SC.5.06D supporting
illustrate how matter is made up of particles that are too small to be seen such as air in a balloon.

Lesson Overview

This Grade 5 science lesson focuses on making observations and measurements to identify different materials based on their physical properties. Students will engage in hands-on investigations using scientific tools to observe, measure, and record properties such as color, hardness, magnetism, thermal and electrical conductivity, solubility, and physical state. They will learn to ask scientific questions, conduct safe investigations, collect and organize data, and develop explanations supported by evidence. This lesson supports NGSS standard 5-PS1-3 and aligns with multiple TEKS science process and content standards related to matter and its properties.

Learning Objectives

Observe and measure physical properties of various materials using appropriate scientific tools.
Identify materials by comparing their observed and measured properties.
Ask scientific questions and plan simple investigations to explore material properties.
Record observations and measurements accurately using graphic organizers such as tables and charts.
Develop explanations about material identification based on collected evidence and communicate findings clearly.

Success Criteria

Students can use tools like hand lenses, rulers, magnets, and thermometers to observe and measure material properties.
Students accurately record observations and measurements in organized data tables.
Students identify materials correctly by comparing their properties.
Students ask relevant questions and follow safe procedures during investigations.
Students explain their reasoning using evidence from their observations and measurements.

Prerequisite Knowledge

Students should understand the concept of matter as anything that has mass and takes up space. They should be familiar with basic physical properties such as color and texture and have experience using simple measurement tools like rulers and scales.

Key Vocabulary

Matter
Property
Observation
Measurement
Physical state
Magnetism
Solubility
Thermal conductivity
Electrical conductivity
Model
Investigation
Data
Evidence

Materials and Resources

Samples of various materials (e.g., baking soda, metals, minerals, powders, liquids)
Hand lenses or magnifying glasses
Magnets
Digital scales or balances
Rulers or metric rulers
Celsius thermometers
Beakers or clear containers
Water
Notebooks or science journals
Graphic organizer templates (tables, charts)
Safety goggles and gloves

Teacher Preparation

Gather and prepare a variety of material samples for observation and measurement.
Prepare graphic organizer templates for data collection.
Set up investigation stations with necessary tools and safety equipment.
Review safety procedures for handling materials and tools.
Prepare guiding questions to prompt student inquiry and discussion.

Detailed Lesson Notes

Understanding Matter and Its Properties

Matter is anything that has mass and takes up space. Every material is made of matter and has physical properties that can be observed or measured. These properties include color, hardness, magnetism, thermal and electrical conductivity, solubility in water, and physical state (solid, liquid, gas). Identifying materials involves examining these properties carefully.

Observations and Measurements in Science

Observations involve using our senses or tools to notice characteristics of materials, such as color or texture. Measurements involve using tools to quantify properties, such as length with a ruler or temperature with a thermometer. Both observations and measurements provide evidence to help identify materials accurately.

Scientific Tools for Investigating Materials

Tools like hand lenses help us see details not visible to the naked eye. Magnets test if a material is magnetic. Digital scales measure mass. Rulers measure length or volume. Thermometers measure temperature to understand thermal properties. Beakers and water help test solubility. Using these tools correctly and safely is essential for reliable data.

Planning and Conducting Investigations Safely

Students will ask questions about materials, such as 'Which materials are magnetic?' or 'Which materials dissolve in water?' They will plan simple investigations to answer these questions, using appropriate tools and following safety guidelines like wearing goggles and handling materials carefully. Controlling variables and repeating tests help ensure trustworthy results.

Collecting and Organizing Data

Students will record their observations and measurements in graphic organizers such as tables or charts. Organizing data helps identify patterns and compare properties across materials. For example, a table might list materials in rows and properties in columns, with checkmarks or measurements filled in to show which materials have which properties.

Developing Explanations and Identifying Materials

Based on collected data, students will explain how they identified each material. For example, a material that is shiny, magnetic, and a solid might be identified as a metal. Students will use evidence from their observations and measurements to support their explanations, demonstrating understanding of how properties help distinguish materials.

Common Misconceptions

Students might think all metals are magnetic, but some metals are not. They may confuse physical changes with chemical changes; this lesson focuses on physical properties only. Another misconception is that color alone identifies a material, but many materials share colors, so multiple properties must be considered.

Worked Examples

Worked Example 1

Scenario

Given a material that is a solid, shiny, magnetic, and has a mass of 50 grams, how would you identify it?

Explanation

The material is solid and shiny, which suggests it might be a metal. The fact that it is magnetic further supports this because many metals are magnetic. The mass measurement helps compare samples but does not identify the material alone. Combining these properties, the material is likely a magnetic metal such as iron.

Answer Guide

The material is identified as a magnetic metal, likely iron, based on its solid state, shininess, magnetism, and measured mass.

Worked Example 2

Scenario

If a powder dissolves completely in water and is not magnetic, what properties help you identify it?

Explanation

Solubility in water is a key property here. The powder dissolves completely, indicating it is soluble. Lack of magnetism rules out magnetic metals or minerals. Observing color and texture can further help. Combining these observations, the powder could be a soluble substance like baking soda.

Answer Guide

The powder is identified as a soluble, non-magnetic substance, possibly baking soda, based on its solubility and lack of magnetism.

Engage

Teacher Activity

Introduce the lesson by showing a collection of different materials (powders, metals, liquids). Ask students what they notice about the materials and how they might tell them apart.

Student Activity

Observe the materials visually and share initial thoughts about differences and similarities. Discuss what properties they might use to identify each material.

Explanation

Engaging students with real materials sparks curiosity and activates prior knowledge about matter and properties. It sets the stage for asking scientific questions and planning investigations.

Examples

Students notice differences in color, texture, state (solid or liquid).
Students suggest properties like hardness, magnetism, or solubility to explore.

Explore

Teacher Activity

Organize students into small groups and provide each group with a set of materials and tools. Guide them to observe and measure properties such as color, magnetism, mass, and solubility.

Student Activity

Use hand lenses, magnets, scales, rulers, and water to test and record properties of each material in their notebooks or graphic organizers.

Explanation

Hands-on exploration allows students to gather evidence about material properties through direct observation and measurement, building foundational understanding.

Examples

Some materials attract magnets; others do not.
Mass measurements vary among samples.
Certain powders dissolve in water, while others do not.
Materials are identified as solids or liquids.

Explain

Teacher Activity

Lead a class discussion to review observations and measurements. Model how to organize data in tables and how to use the data to identify materials based on their properties.

Student Activity

Share group data and compare results. Participate in creating a class data table. Explain how properties helped identify each material.

Explanation

Organizing data visually helps students see patterns and relationships. Discussing findings reinforces scientific reasoning and communication skills.

Examples

Students create clear tables or charts.
Students identify key properties like magnetism or solubility as useful.
Students notice consistent patterns across groups.

Elaborate

Teacher Activity

Challenge students to design a simple model or diagram that represents how properties can be used to identify materials. Encourage them to think about advantages and limitations of their models.

Student Activity

Create models such as flow charts or concept maps that show how to identify materials by their properties. Discuss what the models show and what they might miss.

Explanation

Developing models helps students deepen understanding and recognize that models have strengths and limitations in representing real phenomena.

Examples

Models include key properties and decision steps.
Students articulate what their models represent and their limits.

Evaluate

Teacher Activity

Assess students through a quiz or activity where they identify unknown materials based on given properties. Review safety and scientific practices throughout.

Student Activity

Use observations and measurements provided to identify materials. Explain reasoning using evidence from properties.

Explanation

Evaluating students' ability to apply knowledge and reasoning ensures they have met learning goals and can use scientific practices effectively.

Examples

Students correctly identify materials using multiple properties.
Students explain their reasoning clearly and refer to evidence.
Students demonstrate understanding of scientific tools and safety.

Classroom Activity

Use hand lenses, magnets, scales, rulers, and water to test and record properties of each material in their notebooks or graphic organizers.

Guided Practice

Guided Practice 1

Prompt

What is a physical property of matter that you can observe without using tools?

Teacher Answer Guide

Color is a physical property that can be observed without tools.

Guided Practice 2

Prompt

Name two tools you can use to measure properties of materials and explain what they measure.

Teacher Answer Guide

A ruler measures length or volume, and a magnet tests if a material is magnetic.

Guided Practice 3

Prompt

You have a material that is a solid, does not attract a magnet, and does not dissolve in water. How would you use these properties to identify it?

Teacher Answer Guide

Since it is solid, non-magnetic, and insoluble, it might be a non-metallic solid like sand. Using these properties helps narrow down the material.

Guided Practice 4

Prompt

Explain why using more than one property is important when identifying materials.

Teacher Answer Guide

Using multiple properties helps avoid mistakes because some materials share properties like color. Combining properties like magnetism, solubility, and hardness gives a more accurate identification.

Guided Practice 5

Prompt

Design a simple flow chart that shows how to identify an unknown material using observations and measurements of its properties.

Teacher Answer Guide

A flow chart might start with 'Is the material solid or liquid?' then 'Is it magnetic?' followed by 'Does it dissolve in water?' Each answer leads to the next question or identification, helping systematically identify the material.

Independent Practice

Foundational: What is a physical property of matter that you can observe without using tools?
Developing: Name two tools you can use to measure properties of materials and explain what they measure.
Application: You have a material that is a solid, does not attract a magnet, and does not dissolve in water. How would you use these properties to identify it?
Analysis: Explain why using more than one property is important when identifying materials.
Challenge: Design a simple flow chart that shows how to identify an unknown material using observations and measurements of its properties.

Independent Practice Teacher Answer Key

1. Color is a physical property that can be observed without tools.
2. A ruler measures length or volume, and a magnet tests if a material is magnetic.
3. Since it is solid, non-magnetic, and insoluble, it might be a non-metallic solid like sand. Using these properties helps narrow down the material.
4. Using multiple properties helps avoid mistakes because some materials share properties like color. Combining properties like magnetism, solubility, and hardness gives a more accurate identification.
5. A flow chart might start with 'Is the material solid or liquid?' then 'Is it magnetic?' followed by 'Does it dissolve in water?' Each answer leads to the next question or identification, helping systematically identify the material.

Guiding Questions

What physical properties can we observe or measure to identify materials?
How do different tools help us learn about materials?
Why is it important to use more than one property to identify a material?
How can we organize our data to see patterns?
What makes a good model for identifying materials?
How do we know our identification is correct?

Common Misconceptions

All metals are magnetic, but some metals are not magnetic.
Color alone can identify a material, but many materials share similar colors.
Physical changes are the same as chemical changes, but this lesson focuses on physical properties only.

Differentiation

Support and Intervention

Provide labeled pictures of tools and properties for reference. Use guided graphic organizers with prompts for observations and measurements. Allow peer support during investigations.

English-Language Learner Support

Use visuals and real objects to explain vocabulary like 'magnetism' and 'solubility'. Provide sentence frames for describing observations. Use bilingual glossaries for key terms.

Advanced and Extension

Challenge students to measure thermal or electrical conductivity if equipment is available. Have students research additional properties of materials beyond those studied. Encourage students to design their own investigations to test other properties.

Assessment

Observe student participation during investigations and discussions.
Check accuracy and completeness of data recorded in graphic organizers.
Ask students to explain their reasoning during group sharing.
List three physical properties you used to identify a material today.
Explain why it is important to use measurements as well as observations.
Name one tool you used and what it helped you measure.
Identify unknown materials based on a set of given properties and explain your identification.
Create a model or diagram showing how to use properties to identify materials.
Write a short explanation of how observations and measurements help scientists identify materials.

Answer Guide

What is a physical property of matter that you can observe without using tools?
Answer: Color is a physical property that can be observed without tools.
Name two tools you can use to measure properties of materials and explain what they measure.
Answer: A ruler measures length or volume, and a magnet tests if a material is magnetic.
You have a material that is a solid, does not attract a magnet, and does not dissolve in water. How would you use these properties to identify it?
Answer: Since it is solid, non-magnetic, and insoluble, it might be a non-metallic solid like sand. Using these properties helps narrow down the material.
Explain why using more than one property is important when identifying materials.
Answer: Using multiple properties helps avoid mistakes because some materials share properties like color. Combining properties like magnetism, solubility, and hardness gives a more accurate identification.
Design a simple flow chart that shows how to identify an unknown material using observations and measurements of its properties.
Answer: A flow chart might start with 'Is the material solid or liquid?' then 'Is it magnetic?' followed by 'Does it dissolve in water?' Each answer leads to the next question or identification, helping systematically identify the material.

Real-Life Application

Encourage students to observe and identify materials at home using their senses and simple tools like magnets or measuring cups. They can record their observations and share them in class.

Homework or Home Connection

Encourage students to observe and identify materials at home using their senses and simple tools like magnets or measuring cups. They can record their observations and share them in class.

Lesson Summary

In this lesson, students learned how to make careful observations and measurements to identify materials based on their physical properties. They used scientific tools safely, recorded data in organized ways, and developed explanations supported by evidence. Understanding material properties helps us recognize and classify the matter around us, an important skill in science and everyday life.

Teacher Notes

Use the exact standards alignment and retrieved-source provenance stored with this enrichment.