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Magnetism and force

Total questions: 26

Worksheet time: 52mins

Name
Class
Date
1.
Magnets have a north and a south ___________
a)
shape
b)
color
c)
pole
d)
region
2.
Which object would a magnet attract?
a)
a glass bottle
b)
a piece of paper
c)
a metal paper clip
compass
d)
a rubber eraser
magnetic field
3.
What happens when two north poles of a magnet are placed together?
a)
they repel
b)
they attract
c)
they cancel each other out
d)
the strength of the magnet is doubled
4.
A magnet will pick up a nail, but not a penny because the nail
a)
has rust on it.
b)
is lighter than the penny.
c)
has a sharp point.
d)
contains iron.
5.
Magnets will stick to refrigerator doors because the doors are 
a)
Painted with plastic.
b)
Made of metal.
c)
Easy to open. 
d)
Heavy.
6.
The magnet's shown will
a)
not move
b)
attract
c)
repel
d)
all of the above
7.
The magnet's shown will
a)
not move
b)
attract
c)
repel
d)
all of the above
8.
What do you call it when two magnets come together?
a)
attract
b)
iron
c)
poles
d)
repel
9.
Magnetism is a type of ____________
a)
force
b)
book
c)
plant
d)
animal
10.
When two magnets attract, they ______________
a)
push apart
b)
change color
c)
get colder
d)
pull together
11.
When two magnets repel, they ________________
a)
change color
b)
pull together
c)
push apart
d)
get colder
12.
Which object would a magnet attract?
a)
a glass bottle
b)
a piece of paper
c)
a metal paper clip
compass
d)
a rubber eraser
magnetic field
13.

A force that is caused by two surfaces rubbing together:

a)

Friction

b)

Force

c)

Push

d)

Pull

14.

True or False: objects that are smooth have LESS friction than objects that are rough

a)

TRUE

b)

FALSE

15.

Imagine you decide to jump out of an airplane 🛩

Which force is going to pull you down towards earth

a)

Fluid Friction

b)

Static Friction

c)

Gravity

d)

The wind from the airplane

16.
How does friction affect speed?
a)
more friction decreases speed
b)
more friction increases speed
c)
less friction decreases speed
17.
The rougher the surface, the faster an object will travel over the surface.
a)
True
b)
False
18.
Rougher surfaces have ...
a)
greater friction
b)
less friction
c)
the same level of friction
19.
Without gravity we would________. 
a)
Float away
b)
Stay in the ground
c)
Nothing would happen.
d)
I don't know
20.
Why can astronauts jump and float a little on the Moon?
a)
Because the Moon's gravity is NOT that STRONG.
b)
Because the Moon's gravity is VERY STRONG. 
21.
Where would you weight more, on Earth or on the Moon?
a)
Earth
b)
Moon
22.

What would happen is a north pole of a magnet came close to a north pole of another magnet?

a)

they would be attracted to each other

b)

they would be repelled from each other

23.

What happens if you hold the south pole of one magnet close to the north pole of another magnet?

a)

They will attract each other

b)

They will repel each other

c)

They will grow very hot

d)

Nothing will happen

24.
If you replace the paper clip with a plastic spoon, what happens?
a)
The bulb doesn't light
b)
The bulb is dimmer
c)
The wires get hot
d)
There is no change
25.

1. When solving problems, the series of steps that engineers follow is called _______.

a)

the engineering method

b)

the engineering problem

c)

the engineering design process

d)

the scientific method

26.

What is the main goal of the Engineering Design Process?

a)

write reports

b)

make charts and graphs

c)

find solutions to problems

d)

make things