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Waterproof or Absorbent? — Answers

Answer sheet with model answers and success criteria for the 2nd Grade states of matter & materials worksheet.

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Success TutoringWorksheetsAnswer sheet2nd Grade · Science · States of Matter & Materials

Waterproof or Absorbent? — Answers

Part A: Keep it out or soak it up?

Read the box. Then circle the best answer.

Waterproof materials keep water out. Water stays on top or runs off. Plastic, rubber and metal are waterproof.

Absorbent materials soak water up. Sponges, towels, paper towels and cotton cloth are absorbent.

We choose a material that is right for the job. A raincoat must be waterproof. A bath towel must be absorbent.

1.Which material is absorbent?
  1. Aa plastic bag
  2. Ba sponge
  3. Ca metal tray
  4. Da glass jar

Answer: a sponge

A sponge soaks up water, so it is absorbent.

2.Which is best for a raincoat?
  1. Apaper
  2. Bcotton cloth
  3. Cwaterproof plastic
  4. Da towel

Answer: waterproof plastic

Waterproof plastic keeps the rain out so you stay dry.

3.You spill some juice. What should you use to wipe it up?
  1. Aa paper towel
  2. Ba plastic plate
  3. Ca metal spoon
  4. Da glass

Answer: a paper towel

Paper towel is absorbent, so it soaks up the juice.

4.Why is an umbrella not made of paper?
  1. APaper is too heavy.
  2. BPaper soaks up water and tears.
  3. CPaper is too shiny.
  4. DPaper is waterproof.

Answer: Paper soaks up water and tears.

Paper is absorbent. It gets soggy and tears when wet.

Part B: Match and fill

5.Match each object to the word that suits it.
  • rain boots
  • a bath towel
  • an umbrella
  • a mop
  • waterproof
  • absorbent
  • waterproof
  • absorbent

Answer: rain boots → waterproof; a bath towel → absorbent; an umbrella → waterproof; a mop → absorbent

6.A material that soaks up water is (answer space).

Answer: absorbent

Part C: True or false?

Write True or False.

7.A towel is waterproof.

Answer: False

A towel soaks up water. It is absorbent.

8.Rubber boots keep your feet dry because rubber is waterproof.

Answer: True

Water cannot soak through rubber.

Part D: Working scientifically: the soak-up test

Try it with a grown-up. Wipe up any spills.

Put a square of paper towel, cloth and plastic bag on three plates.

Pour two spoonfuls of water onto each one. Wait one minute. Lift each square. How much water is left on the plate?

9.Which material soaked up the most water?

Answer: The paper towel or the cloth (an absorbent material).

10.Why must you use the same number of spoonfuls each time?

Answer: So the test is fair: only the material changes.

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