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Combining Materials to Make Things — 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

Combining Materials to Make Things — Answers

Part A: More than one material

Read the box. Then circle the best answer.

Many things are made of more than one material.

Each material is chosen because it is good for a job. Metal is strong. Plastic can be waterproof. Fabric is soft. Rubber is grippy and bendy. Glass is see-through.

A frying pan has a metal pan to heat the food and a plastic handle so it is safe to hold.

1.Why does a frying pan have a plastic handle?
  1. APlastic stays cooler to hold.
  2. BPlastic is shiny.
  3. CPlastic is heavy.
  4. DPlastic makes food taste nice.

Answer: Plastic stays cooler to hold.

Plastic does not get as hot as metal, so the handle is safe to hold.

2.A window has a glass pane and a wooden frame. Why is glass used for the pane?
  1. AIt is soft.
  2. BYou can see through it.
  3. CIt is bendy.
  4. DIt soaks up water.

Answer: You can see through it.

Glass is see-through (transparent), so light comes in and you can see out.

3.Why do shoes often have rubber on the bottom?
  1. ARubber is see-through.
  2. BRubber grips the ground.
  3. CRubber is light as air.
  4. DRubber is easy to tear.

Answer: Rubber grips the ground.

Rubber is grippy, so you do not slip.

4.Which object is made of more than one material?
  1. Aa glass marble
  2. Ba pencil
  3. Ca metal spoon
  4. Da wooden block

Answer: a pencil

A pencil has a wooden case, a dark writing core and sometimes a metal band and an eraser.

Part B: Match and fill

5.Match each part to the material it is often made of.
  • the lens of a pair of glasses
  • the sole of a shoe
  • the cover of a pillow
  • rubber
  • fabric
  • glass or clear plastic

Answer: the lens of a pair of glasses → glass or clear plastic; the sole of a shoe → rubber; the cover of a pillow → fabric

6.Shoe soles are made of rubber so they (answer space) the ground and we do not slip.

Answer: grip

Part C: True or false?

Write True or False.

7.A bike is made of only one material.

Answer: False

A bike has metal parts, rubber tires, a plastic or foam seat and more.

8.Each material in an object is chosen for a reason.

Answer: True

People choose materials that are good for each job.

Part D: Working scientifically: design it

Draw your lunch box and label the materials.

9.Design a lunch box. Name two materials you would use and tell why.

Model answer: I would use plastic for the box because it is waterproof and strong. I would use fabric for the handle because it is soft to hold.

Success criteria:

  • Names two materials
  • Gives a reason for each linked to what the material is like
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Marking tips

  • Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
  • For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
  • Celebrate what went well first, then pick one thing to work on next.

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