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Free 1st Grade Floating and Sinking: Will It Float? Worksheet

Children predict and test which everyday objects float or sink in water, learn that big things do not always sink and that shape can matter, and record their results in a simple table.

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Grade
1st Grade
Subject
Science
Topic
States of Matter & Materials
Difficulty
Getting started
Estimated time
20 minutes
Curriculum
Texas grade levels (TEKS)
Questions
10
Answers
Included, with working
Format
PDF (A4), print or complete online

Students will practice

  • predicting whether objects float or sink
  • testing objects in water
  • noticing that size and shape matter
  • recording results

Curriculum: Texas grade levels (TEKS). We show specific outcome codes only where they have been verified against the official curriculum document.

What's next?

Completed: Floating and Sinking: Will It Float?

  1. 1Squash, Bend, Twist and Stretch

How to use this worksheet

  1. Print the PDF or complete it on screen. Write the student's name and date at the top.
  2. Read the instructions for each part together before starting. Encourage working to be shown.
  3. Mark with the answer sheet. Use the model answers and success criteria as a guide rather than a single right answer.
  4. Record the score, celebrate what went well, then follow the "What's next" suggestion.

Common questions

Who is this worksheet for?

1st Grade students (typically ages 6–7) working on states of matter & materials. It is pitched at getting started.

Are the answers included?

Yes. The PDF includes a full answer sheet with model answers and success criteria where there is more than one good answer. You can also view the answers online.

How long does it take?

About 20 minutes for 10 questions. Short, regular sessions work best: two or three a week beats one long one.

Do I need to sign up to download?

No. Click Download Free PDF and it opens immediately. It is free for personal, classroom and homeschool use.

What should we do next?

Try Squash, Bend, Twist and Stretch.

Preview

Success TutoringWorksheets1st Grade · Science · States of Matter & Materials

Floating and Sinking: Will It Float?

Name

Date

Score /

Guess first. Then test it and see!

Part A: Float or sink?

Read the box. Then circle the best answer.

Some things float. They stay on top of the water.

Some things sink. They drop to the bottom.

Big things do not always sink. A big log floats. A small coin sinks.

1.Which one will float?
  1. Aa rock
  2. Ba coin
  3. Ca cork
  4. Da key
2.Which one will sink?
  1. Aa metal spoon
  2. Ba leaf
  3. Ca plastic duck
  4. Da feather
3.A big log is put in a river. What happens?
  1. AIt sinks.
  2. BIt floats.
  3. CIt melts.
  4. DIt flies.

Part B: True or false?

Write True or False.

4.All big things sink. ☐ True   ☐ False
5.A ball of play dough sinks, but a boat shape made of the same dough can float. ☐ True   ☐ False
6.A plastic bottle with its lid on floats. ☐ True   ☐ False

Part C: Fill the gap

Use the words float or sink.

7.A thing that stays on top of the water will (answer space).
8.A thing that drops to the bottom will (answer space).
Free worksheets at worksheets.successtutoring.com · © Success Tutoring · Free for personal and classroom use

Preview — the PDF contains the full resource and answer sheet.

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About this resource

Created by
Success Tutoring Science Team
Last reviewed
1 October 2026
How it was made
Written by our team

Free to print and share for personal, classroom and homeschool use. Please don't resell. Spotted an error? Let us know.