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Free 3rd Grade Chemical Sciences Worksheets

3 free chemical sciences resources for 3rd Grade: 3 worksheets. Answers included.

Materials, their properties and how they change. 3rd grade is a big year: students learn the multiplication facts, add and subtract three-digit numbers with regrouping, read time to the minute and begin unit fractions.

Students will practice: describing the properties of solids, liquids and gases; sorting materials by state; explaining how heating and cooling change state; naming melting, freezing, evaporation and condensation; identifying variables in a fair test; explaining evaporation; identifying factors that speed up evaporation; applying ideas to everyday situations.

Level:

Worksheets

Printable practice with an answer sheet.

  • Worksheet

    Solids, Liquids and Gases

    Students learn how solids, liquids and gases behave, then explore how heating and cooling change materials from one state to another —…

    Difficulty
    Level 1 · Easier
    Time
    30 min
    Questions
    14 questions
    Answers
    Answers included
  • Worksheet

    Evaporation: What Makes Water Dry Faster?

    Students learn that evaporation is liquid water turning into water vapor, explore how warmth, wind and spreading water out make things dry…

    Difficulty
    Level 2 · Standard
    Time
    30 min
    Questions
    17 questions
    Answers
    Answers included
  • Worksheet

    Reversible and Irreversible Changes

    Students learn that some changes to materials can be reversed, like melting and freezing chocolate, while others make something new and…

    Difficulty
    Level 2 · Standard
    Time
    30 min
    Questions
    14 questions
    Answers
    Answers included

All chemical sciences worksheets, every grade →

Common questions

What do 3rd Grade students learn about chemical sciences?

Materials, their properties and how they change. At 3rd Grade, our resources focus on: describing the properties of solids, liquids and gases; sorting materials by state; explaining how heating and cooling change state; naming melting, freezing, evaporation and condensation.

Where should we start?

Start with the Level 1 or Level 2 worksheet, then move up a level. Finish with the topic test if there is one.

Are answers included?

Yes — every worksheet has an answer sheet. Maths answer sheets show the working; English tasks include model answers or success criteria.

How to use these resources

  1. Read the short explanation together before starting the questions.
  2. Where a worksheet suggests a simple experiment at home, try it: seeing beats reading.
  3. Ask "How do you know?" so answers are backed by evidence.
  4. Use the answer sheet to talk about why an answer is right, not just whether it is.

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