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Gears and Levers

Authored by Charles Martinez

Science

4th Grade

NGSS covered

Used 3+ times

Gears and Levers
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a gear?

A gear is a wheel with a grove on its edge.

A gear is a wheel with teeth on its edge.

A gear is a wheel which is heart shaped

All of the above

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A can opener is an example of a 

pulley
gear

Tags

NGSS.MS-PS2-2

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

True or False: Gears next to each other turn in the same direction.

True
False

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The purpose of the Driven GEAR is to ____________.

change the speed of rotation
make the model harder to build
add more gears for fun
change the direction of rotation

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

To INCREASE speed of rotation, you can ____________________.

add more gears
change from a LARGE gear to a SMALL gear
turn the handle less times
change from a SMALL gear to a LARGE gear

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Scissors are an example of a

class 1

class 2

class 3

Tags

NGSS.K-2-ETS1-2

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Nutcracker is an example of

class 1

class 2

class 3

Tags

NGSS.MS-PS2-1

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