Quiz about Amplify Chps 3-5 Check

Question 1

the pull between Earth and other objects, which acts even without touching

Accepted Answer

gravity

Answer

force

Answer

repel

Answer

magnetic force

Question 2

An electromagnet can be turned on and off.

Accepted Answer

TRUE

Answer

FALSE

Question 3

the push or pull between two magnets, or the pull of a magnet on some kinds of metal

Accepted Answer

magnetic force

Answer

observation

Answer

exert

Answer

design

Question 4

multiple forces of unequal strength acting on an object

Accepted Answer

unbalanced forces

Answer

touching forces

Answer

non-touching force

Answer

balanced forces

Question 5

multiple forces of equal strength acting on an object

Accepted Answer

balanced forces

Answer

unbalanced forces

Answer

repel

Answer

attract

Question 6

a kind of magnet that can be turned on and off

Accepted Answer

electromagnet

Answer

iron

Answer

pole

Answer

diagram

Question 7

to cause a force to act on an object

Accepted Answer

exert

Answer

observe

Answer

repel

Answer

attract

Question 8

a person who uses science knowledge to design something in order to solve a problem

Accepted Answer

engineer

Answer

dentist

Answer

mailman

Answer

chef

Question 9

Gravity pulls objects...

Accepted Answer

to the center of the Earth

Answer

to the left

Answer

to the right

Answer

up

Question 10

What makes the floating train start to rise off of the tracks?

Accepted Answer

Repelling magnetic forces between a magnet in the train and one in the tracks.

Answer

Attracting magnetic forces between a magnet in the train and one in the tracks.

Question 11

What makes the floating train fall back down onto the tracks?

Accepted Answer

Gravity, an attracting force between the train and Earth.

Answer

Repelling magnetic force between a magnet in the train and one in the tracks.

Question 12

Which kind of force is happening here?

Accepted Answer

balanced force

Answer

magnetic force

Answer

unbalanced force

Answer

non-touching force

Question 13

Hoverboards work by balancing __________ and ____________ force.

Accepted Answer

gravity and magnetic

Answer

spring and gravity

Answer

magnetic and buoyancy

Question 14

If forces are balanced and then a force is changed, the forces become unbalanced, which can cause an object to _______

Accepted Answer

start moving

Answer

stay steady

Answer

change color

Question 15

Is the Paper clip experiment a sign of a balanced force?

Accepted Answer

Yes

Answer

No

Answer

I do not know

Question 16

When the paperclip gets far enough away from the Magnet, what happens to the magnet

Accepted Answer

it will fall straight down because of Gravity

Answer

it continues to float

Answer

it will fall to the right

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