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STEM

Authored by Phyo Yan

Science

7th Grade

Used 5+ times

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14 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the elastic power?

The ability of a material to return to its original shape after being stretched or compressed.

The force of gravity acting on an object.

The ability of a material to change its color when heated.

The ability of a material to conduct electricity.

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the fixed point around which a lever rotates?

Load

Effort

fulcrum

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is friction?

A type of force

A type of energy

A type of motion

A type of sound

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

When you release a stretched rubber band, it converts its stored elastic potential energy into ________________ energy.

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

In a first-class lever, the fulcrum is located _______ the load and effort.

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

If the surface is _______, it makes less friction.

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

In STEM, if you want to make the elastic power vehicle to move faster, what do you have to do?

push the vehicle with more force

attach the elastic band more firmly

Stretch the elastic band more in order to gain more kinetic energy

use multiple elastic band in short distance so that it can get more force

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