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Physical and chemical changes

5th grade (Year 6 in England) · 16 questions · Common Core: NGSS.5-PS1-4, NGSS.MS-PS1-2 · England: KS2 Y5 Properties and changes of materials, KS3 Chemistry: Chemical reactions

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Score/ 16

1
Question 1
Physical and chemical changes: which statement is NOT true?
- A. Melting is a chemical change.
- B. In a chemical reaction, atoms are rearranged to make new substances.
- C. Dissolving is a physical change.
- D. Burning is a chemical change.
2
Question 2
Is this a physical or a chemical change: ice melting?
- A. physical change
- B. chemical change
3
Question 3
Why is boiling water a physical change?
- A. Water turns into hydrogen and oxygen
- B. It cannot be reversed
- C. The steam is still water, just in a different state
- D. Bubbles always mean a chemical change
4
Question 4
Physical and chemical changes: which statement is NOT true?
- A. Rusting needs both oxygen and water.
- B. Dissolving is a physical change.
- C. In a chemical reaction, atoms are rearranged to make new substances.
- D. All bubbles mean a chemical reaction.
5
Question 5
Is this a physical or a chemical change: fireworks exploding?
- A. physical change
- B. chemical change
6
Question 6
A nail left outside turns orange-brown and flaky. What has happened?
- A. The nail melted
- B. The nail dissolved
- C. Paint fell on it
- D. Iron reacted with oxygen and water to make rust
7
Question 7
Physical and chemical changes: which statement is NOT true?
- A. Melting is a chemical change.
- B. In a chemical reaction, atoms are rearranged to make new substances.
- C. Burning is a chemical change.
- D. Dissolving is a physical change.
8
Question 8
Is this a physical or a chemical change: iron rusting?
- A. physical change
- B. chemical change
9
Question 9
A nail left outside turns orange-brown and flaky. What has happened?
- A. The nail dissolved
- B. Paint fell on it
- C. Iron reacted with oxygen and water to make rust
- D. The nail melted
10
Question 10
Physical and chemical changes: which statement is NOT true?
- A. Rusting needs both oxygen and water.
- B. Burning is a chemical change.
- C. All bubbles mean a chemical reaction.
- D. In a chemical reaction, atoms are rearranged to make new substances.
11
Question 11
Is this a physical or a chemical change: cutting paper?
- A. physical change
- B. chemical change
12
Question 12
Why is boiling water a physical change?
- A. The steam is still water, just in a different state
- B. It cannot be reversed
- C. Water turns into hydrogen and oxygen
- D. Bubbles always mean a chemical change
13
Question 13
Physical and chemical changes: which statement is NOT true?
- A. Rusting needs both oxygen and water.
- B. In a chemical reaction, atoms are rearranged to make new substances.
- C. All bubbles mean a chemical reaction.
- D. Dissolving is a physical change.
14
Question 14
Is this a physical or a chemical change: ice melting?
- A. physical change
- B. chemical change
15
Question 15
Why is boiling water a physical change?
- A. It cannot be reversed
- B. Water turns into hydrogen and oxygen
- C. Bubbles always mean a chemical change
- D. The steam is still water, just in a different state
16
Question 16
Physical and chemical changes: which statement is NOT true?
- A. In a chemical reaction, atoms are rearranged to make new substances.
- B. Melting is a chemical change.
- C. Dissolving is a physical change.
- D. Burning is a chemical change.

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