Work and Power review

Which has more mass, Earth or the Moon?

• Earth
• Moon
• The same

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

Which objects have a STRONG force of gravity?

• Objects with GREATER mass, like elephants
• Objects with LESS mass, like mice

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

The force of gravity acting on an object is the object's ______.

• mass
• matter
• weight 
• friction 

Which of the following never changes no matter where in the universe?

• weight
• force
• mass
• pounds

Tags

NGSS.MS-PS1-5

A person would weigh less on on the Moon than on the Earth because . . .

• Moon has more mass, and therefore more gravity
• Moon has less mass, and therefore more gravity
• Moon has more mass, and therefore less gravity
• Moon has less mass and therefore less gravity

Tags

NGSS.MS-PS2-4

Weight is _________.

• the quantity of matter in an object.

• the measure of an object's inertia.

• the force exerted by gravity on an object's mass.

• equal to the mass of an object.

Tags

NGSS.MS-PS2-4

What is mass?

• How much MATTER makes up an object.
• How much GRAVITY is pulling an object.

Friction is a force that acts in a(n) ___________ direction relative to a moving object.

• similar
• opposite
• parallel
• perpendicular

Imagine you travel to another planets. What will change as you walk around the surface of the planet- your mass or your weight?

• Mass
• Weight 
• Both 
• Neither 

Tags

NGSS.MS-PS2-5

Work divided by time equals...

• energy
• power