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Unit 2 Quiz #4 (Thermal Energy and Density)

Total questions: 31

Worksheet time: 23mins

Name
Class
Date
1.
Which liquid is the least dense?
a)
oil
b)
water
c)
syrup 
d)
plastic bottle
2.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
3.
Why do some substances float on water?
a)
they are warmer than water
b)
they are cooler than water
c)
they are more dense than water
d)
they are less dense than water
4.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1, 
d)
4, 3, 1, 2
5.
Why does ice float?
a)
Liquid water is less dense than solid water.
b)
Solid water is less dense than liquid water.
c)
Gaseous water is less dense than solid water.
d)
Liquid water is less dense than gaseous water.
6.
In general what is the most dense form of matter?
a)
solid
b)
liquid
c)
gas
d)
plasmas
7.
How do molecules at warm temperatures differ from molecules at cool temperatures? 
a)
a.  At warm temperatures, molecules move around more
b)
b.  At warm temperatures, molecules grow in siz
c)
c.  At warm temperatures, molecules exchange electrons more easil
d)
d.  At warm temperatures, molecules combine with each other more easil
8.
What is the difference between heat and temperature?    
a)
a.  Temperature measures the motion of molecules, and heat is the energy of that motion
b)
b.  Temperature is measured by a thermometer, and heat is measured by a barometer
c)
c.  Heat is measured in calories, and temperature is measured in joules
d)
d.  Heat is caused by the sun, and temperature is caused by conditions in the atmosphere
9.
Why is there more thermal energy in an iceberg than in a pot of boiling water?    
a)
a.  The pot insulates the heated molecules
b)
b.  Most icebergs are fairly warm to the touch
c)
  c.  Icebergs contain many more molecules than pots of water
d)
  d.  Water does not hold heat very well
10.

Which has more thermal energy?

a)

teaspoon of boiling water

b)

bowl of boiling water

c)

bathtub of boiling water

11.

Which has a higher temperature?

a)

teaspoon of boiling water

b)

bowl of boiling water

c)

bathtub of boiling water

d)

They are all the same temperature.

12.

Thermal energy always moves from hot to cold.

a)

true

b)

false

13.
Heat is the _______ of energy.
a)
Transfer
b)
Measure
14.
Temperature is the ________ of energy.
a)
Transfer
b)
Measure
15.
Which choice below deals with how fast the particles of an object move?
a)
Heat
b)
Temperature
16.
The molecules of a liquid vs. a solid....
a)
Move slower in a liquid.
b)
Move slower in a solid.
17.
The molecules of a gas vs. a solid....
a)
Move faster in a gas.
b)
Move faster in a solid.
18.
The molecules of a liquid vs. a gas...
a)
Move slower in a gas.
b)
Move slower in a liquid.
19.
If you put a burger on the grill...
a)
It's particles will speed up.
b)
It's particles will slow down.
20.
If you place some Gatorade in a cooler with ice...
a)
It's particles will speed up.
b)
It's particles will slow down.
21.
Adding energy to a liquid will eventually make a _______.
a)
Solid
b)
Gas
22.
Removing energy from a liquid will eventually make a _______.
a)
Solid
b)
Gas
23.
Removing energy from a gas will eventually make a _______.
a)
Solid
b)
Liquid
24.
Energy due to motion is ____________ energy. 
a)
Potential 
b)
Energy
c)
Kinetic
d)
Friction
25.
The faster an object moves, the ________ kinetic energy it has. 
a)
more
b)
less
c)
none of the above
d)
all of the above 
26.

How long does it take for light from the Sun to reach Earth?

a)

20 hours 8 minutes

b)

8 minutes 20 seconds

c)

20 minutes 8seconds

d)

8 hours 20 minutes

27.

What is the world's tallest building?

a)

Burj Khalifa

b)

Shanghai Tower

c)

KK100

d)

Princess Tower

28.

Which is the largest ocean?

a)

Pacific Ocean

b)

Atlantic Ocean

c)

Indian Ocean

29.

He's the most famous character in video game history, and the official mascot for Nintendo.

a)

Sonic the Hedgehog

b)

Crash Bandicoot

c)

Mario

d)

Master Chief

30.

Which sneaker company is second to Nike in sales?

a)

Puma

b)

Converse

c)

Adidas

d)

Under Armour

31.

What country was paper invented in?

a)

China

b)

America

c)

England

d)

Japan

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