4 Force and Motion Review

Friction makes a moving object ____ as the two surfaces rub together.

• change color

• move upwards

• move slower

• move faster

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

If you are on the sidewalk and see a bus go by, what would be a good frame of reference to know that the bus is moving?

• the moving bus

• a car passing by

• a tree standing tall

• students in the moving bus

What is it called when an object moves a certain distance over a specific period of time?

• friction

• mass

• velocity

• speed

Tags

NGSS.MS-PS3-1

What do scientists call a push or pull on a resting or moving object that can change the object's position?

• frame of reference

• force

• density

• mass

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

If you wanted to pick up a bag of groceries off the floor, what type of force would you apply in order to lift the bag up?

• push

• pull

• angular momentum

• none of these

What are two equal in size forces acting in opposite directions on an object called?

• balanced forces

• unbalanced forces

• velocity

• unequal forces

Tags

NGSS.3-PS2-1

If an object was thrown multiple times at the same speed, which surface would have the least amount of friction on the object?

• gravel road

• dry concrete road

• icy road

• dry asphalt road

Which word combination fills in the blanks best?

The _____ mass an object has, the _____ a force will change its motion.

• more, less

• less, less

• more, more

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

Friction makes a moving object ___ as the two surfaces rub together.

• speed up

• slow down

• change color

• move upwards

Tags

NGSS.MS-PS2-2

A bicyclist rides on a flat road and then stops pedaling but does not apply the brakes. The bicycle stops because of ___ .

• friction

• balance

• attraction

• magnetism