Grade 3 Matter Lesson Plan

What Is Matter? Sorting Solid, Liquid, and Gas

Matter | Guided Practice

Grade 3 Biology Matter Guided Practice Medium Professional 8 Views
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What Is Matter? Sorting Solid, Liquid, and Gas
Professional Lesson Plan

What Is Matter? Sorting Solid, Liquid, and Gas

Matter | Guided Practice

GradeGrade 3
SubjectBiology
TopicMatter
Duration20 Minutes
Lesson TypeGuided Practice
DifficultyMedium

Lesson Overview

In this 20-minute guided practice lesson, Grade 3 students learn that matter is anything that has mass and takes up space. Students practice identifying and sorting examples of solids, liquids, and gases through teacher-guided discussion and quick partner activities.

Learning Objectives

  • Define matter in simple terms.
  • Identify solids, liquids, and gases as types of matter.
  • Classify common classroom objects by state of matter.
  • Explain that matter takes up space and has mass using examples.

Materials Needed

  • Chart paper or whiteboard
  • Markers
  • 3 labeled category cards: Solid, Liquid, Gas
  • Picture cards or real objects (book, pencil, water bottle, balloon, ice, juice, air in a balloon)
  • Student notebooks or scrap paper
  • Optional: three cups, water, ice, and an empty balloon

Vocabulary

TermDefinition
matterAnything that has mass and takes up space.
solidMatter that keeps its shape.
liquidMatter that flows and takes the shape of its container.
gasMatter that spreads out to fill the space it is in.
massHow much matter an object has.

Lesson Sequence

Warm-Up3 minutes
Teacher Actions

Show a book, a cup of water, and an inflated balloon. Ask: 'What do these have in common?' Introduce the idea that they are all matter.

Student Actions

Observe the items, share ideas, and predict what matter means.

Direct Teaching4 minutes
Teacher Actions

State the definition of matter. Briefly explain solids, liquids, and gases with simple examples and gestures or objects.

Student Actions

Listen, repeat key vocabulary, and answer quick questions.

Guided Practice: Sort and Say8 minutes
Teacher Actions

Hold up each picture card or object one at a time. Guide students to name the item and decide whether it is a solid, liquid, or gas. Ask students to explain their choice using sentence frames such as 'I think it is a ___ because ___.'.

Student Actions

Turn and talk with a partner, then share answers aloud and sort items into categories.

Check for Understanding3 minutes
Teacher Actions

Ask 3 quick oral questions: 'Is air matter?' 'Does a rock have shape of its own?' 'What state is water?' Record responses and clarify any errors.

Student Actions

Respond orally, show thumbs up/down, and correct answers when needed.

Closure2 minutes
Teacher Actions

Review the definition of matter and the three states. End with: 'Matter is anything that has mass and takes up space.'

Student Actions

Repeat the definition, name one example of each state, and summarize learning.

Support

  • Use real objects and gestures to make vocabulary concrete.
  • Provide sentence frames: 'I see ___. It is a ___ because ___.'.
  • Allow students to point or sort instead of speaking if needed.
  • Pre-teach or review the words solid, liquid, and gas before the activity.
  • Pair English learners with supportive partners.

Challenge

  • Ask advanced students to explain how a material can change from one state to another.
  • Invite students to think of additional examples of solids, liquids, and gases from home or school.
  • Ask students to compare two states using a complete sentence: 'A liquid is different from a solid because ___.'.

Checks for Understanding

  • Can students correctly identify matter as something that has mass and takes up space?
  • Can students sort common examples into solid, liquid, and gas?
  • Can students explain their thinking using a simple reason?
  • Do students respond accurately to oral check questions?

Closure

Students restate the key idea: matter is anything that has mass and takes up space. They share one solid, one liquid, and one gas example before ending the lesson.

Assessment

Teacher observes student responses during sorting and oral questioning, noting whether students can define matter and classify examples of solids, liquids, and gases correctly.

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