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What happens when we heat it?

2nd grade (Year 3 in England) · 16 questions · Common Core: NGSS.2-PS1-4 · England: KS1 Y2 Uses of everyday materials, KS2 Y4 States of matter

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Date

Score/ 16

1
Question 1
What happens when you heat this: butter in a hot pan?
- A. rises and becomes a spongy solid
- B. burst open and puff up
- C. turns white and firm
- D. melts into a liquid
2
Question 2
Why should you never leave a chocolate bar on a sunny car seat?
- A. It will disappear.
- B. The heat will melt it.
- C. It will freeze.
- D. It will turn into a cake.
3
Question 3
True or false? Toast can be turned back into bread by cooling it.
- A. True
- B. False
4
Question 4
What happens when you heat this: a raw egg in a pan?
- A. boils and turns to steam
- B. melts into a liquid
- C. rises and becomes a spongy solid
- D. turns white and firm
5
Question 5
Why do cooks put butter in a warm pan before frying?
- A. Heat turns butter into ice.
- B. Butter turns into a gas straight away.
- C. Heat melts the solid butter so it can spread over the pan.
- D. Butter cools the pan.
6
Question 6
True or false? Heated water turns into ice.
- A. True
- B. False
7
Question 7
What happens when you heat this: a raw egg in a pan?
- A. rises and becomes a spongy solid
- B. turns brown and crunchy
- C. turns white and firm
- D. melts into a liquid
8
Question 8
Why should you never leave a chocolate bar on a sunny car seat?
- A. It will turn into a cake.
- B. It will freeze.
- C. The heat will melt it.
- D. It will disappear.
9
Question 9
True or false? Toast can be turned back into bread by cooling it.
- A. True
- B. False
10
Question 10
What happens when you heat this: popcorn kernels in a pan?
- A. burst open and puff up
- B. melts into a liquid
- C. rises and becomes a spongy solid
- D. boils and turns to steam
11
Question 11
Why do cooks put butter in a warm pan before frying?
- A. Heat turns butter into ice.
- B. Heat melts the solid butter so it can spread over the pan.
- C. Butter turns into a gas straight away.
- D. Butter cools the pan.
12
Question 12
True or false? Heating can melt some solids.
- A. True
- B. False
13
Question 13
What happens when you heat this: a raw egg in a pan?
- A. rises and becomes a spongy solid
- B. turns brown and crunchy
- C. turns white and firm
- D. burst open and puff up
14
Question 14
Why should you never leave a chocolate bar on a sunny car seat?
- A. It will disappear.
- B. It will turn into a cake.
- C. It will freeze.
- D. The heat will melt it.
15
Question 15
True or false? Heating always makes things go hard.
- A. True
- B. False
16
Question 16
What happens when you heat this: a raw egg in a pan?
- A. melts into a liquid
- B. boils and turns to steam
- C. turns white and firm
- D. rises and becomes a spongy solid

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