Which is a force that pulls objects together?

• gravity

• mass

• weight

• space

Tags

NGSS.5-PS2-1

Why is the force of gravity weaker on the Moon than on Earth?

• because the moon is very far away from the Earth

• because the moon is colder than the Earth

• because the moon has less water than the Earth

• because the moon has smaller mass than the Earth

Tags

NGSS.MS-PS2-4

What are the two poles on a magnet?

• north and east

• east and west

• north and south

• south and west

What happens when the OPPOSITE poles of two magnets come near each other?

• the magnets push away

• the magnets pull together

• the magnets get bigger

• the magnets disappear

Tags

NGSS.3-PS2-3

Which is TRUE about magnets?

• they can attract anything made of metal

• they can attract aluminum cans

• they can pull through liquids

• they can repel pennies

Tags

NGSS.3-PS2-4

Which is a force that slows down moving things?

• motion

• friction

• position

• machine

Tags

NGSS.3-PS2-1

Which simple machine is used in a wheelchair?

• pulley

• lever

• ramp

• wheel and axle

What will happen if you add 2 ice cubes to a cup of water?

• the water level will go up

• the water level will go down

• the water level will stay the same

• the water will boil

Tags

NGSS.5-PS1-4

Which sentence is TRUE?

• small objects always float

• big, heavy objects always sink

• an object sinks if it is heavier than the water it pushes away

• when an object floats it goes to the bottom

Which object will sink in a bowl of water?

• a gold ring

• a pencil

• an apple

• a balloon