Electric Forces and Charges Concepts

Electric Forces and Charges Concepts

Assessment

Interactive Video

Physics, Science, Chemistry

6th - 7th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video explains the concept of electric forces using a common example of a sock sticking to a shirt after being in a dryer. It introduces electric forces as non-contact forces caused by electric charges, which can be positive, negative, or neutral. The video describes how charges can transfer between objects, such as in a dryer, leading to attraction or repulsion. It also covers factors affecting the direction and strength of electric forces, including the nature of the charges and the distance between objects.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of force is responsible for a sock sticking to a shirt after being in the dryer?

Frictional force

Electric force

Gravitational force

Magnetic force

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What property of matter causes electric forces?

Mass

Electric charge

Density

Volume

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the net charge of most objects under normal conditions?

Variable

Neutral

Negative

Positive

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the effect of heat and movement in a dryer on the charges of clothes?

It decreases the volume of clothes

It transfers negative charges between clothes

It neutralizes the charges

It increases the mass of clothes

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when two objects with the same electric charge come close to each other?

They lose their charge

They become neutral

They attract each other

They repel each other

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statements is true about electric forces?

They can both attract and repel objects

They only repel objects

They have no effect on objects

They only attract objects

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the strength of an electric force change with the distance between two objects?

It increases with distance

It decreases with distance

It remains constant

It becomes zero

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