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Static electricity and charges

6th grade (Year 7 in England) · 16 questions · Common Core: NGSS.MS-PS2-3, NGSS.MS-PS2-5 · England: KS3 Physics: Electricity and electromagnetism (static electricity)

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1
Question 1
Why does a charged balloon stick to a wall?
- A. The wall is sticky
- B. The balloon is magnetic
- C. It attracts opposite charges in the wall's surface
- D. Gravity pulls it sideways
2
Question 2
Static electricity: which statement is NOT true?
- A. Rubbing creates new charge.
- B. Opposite charges attract.
- C. Insulators can hold static charge.
- D. Like charges repel.
3
Question 3
An object with a + charge is brought near an object with a − charge. Do they attract or repel?
- A. attract
- B. repel
4
Question 4
Your hair stands up after you pull off a woolly hat. Why?
- A. The hairs gain the same charge and repel each other
- B. The hairs become magnetic
- C. The hairs lose their mass
- D. Cold air lifts them
5
Question 5
Static electricity: which statement is NOT true?
- A. Like charges repel.
- B. Insulators can hold static charge.
- C. Static electricity and magnetism are the same thing.
- D. Opposite charges attract.
6
Question 6
An object with a − charge is brought near an object with a + charge. Do they attract or repel?
- A. attract
- B. repel
7
Question 7
Your hair stands up after you pull off a woolly hat. Why?
- A. The hairs become magnetic
- B. The hairs gain the same charge and repel each other
- C. Cold air lifts them
- D. The hairs lose their mass
8
Question 8
Static electricity: which statement is NOT true?
- A. Opposite charges attract.
- B. Insulators can hold static charge.
- C. Protons move when objects are rubbed.
- D. Like charges repel.
9
Question 9
An object with a − charge is brought near an object with a + charge. Do they attract or repel?
- A. attract
- B. repel
10
Question 10
What causes lightning?
- A. A huge build-up of static charge in clouds discharging
- B. Magnets in the clouds
- C. Thunder heating the air
- D. The Sun's light
11
Question 11
Static electricity: which statement is NOT true?
- A. Static charge builds up when electrons are transferred by rubbing.
- B. Rubbing creates new charge.
- C. Like charges repel.
- D. Opposite charges attract.
12
Question 12
An object with a + charge is brought near an object with a − charge. Do they attract or repel?
- A. attract
- B. repel
13
Question 13
Why does a charged balloon stick to a wall?
- A. The wall is sticky
- B. The balloon is magnetic
- C. It attracts opposite charges in the wall's surface
- D. Gravity pulls it sideways
14
Question 14
Static electricity: which statement is NOT true?
- A. Static electricity and magnetism are the same thing.
- B. Like charges repel.
- C. Insulators can hold static charge.
- D. Opposite charges attract.
15
Question 15
An object with a − charge is brought near an object with a + charge. Do they attract or repel?
- A. attract
- B. repel
16
Question 16
Your hair stands up after you pull off a woolly hat. Why?
- A. The hairs lose their mass
- B. Cold air lifts them
- C. The hairs gain the same charge and repel each other
- D. The hairs become magnetic

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Answer key: Static electricity and charges

1. C. It attracts opposite charges in the wall's surface
2. A. Rubbing creates new charge.
3. A. attract
4. A. The hairs gain the same charge and repel each other
5. C. Static electricity and magnetism are the same thing.
6. A. attract
7. B. The hairs gain the same charge and repel each other
8. C. Protons move when objects are rubbed.
9. A. attract
10. A. A huge build-up of static charge in clouds discharging
11. B. Rubbing creates new charge.
12. A. attract
13. C. It attracts opposite charges in the wall's surface
14. A. Static electricity and magnetism are the same thing.
15. A. attract
16. C. The hairs gain the same charge and repel each other