WorksheetsUnit Test Matter and Energy
Total questions: 34
Worksheet time: 13mins
Name
Class
Date
1.
All of the following are examples of matter EXCEPT....
a)
an chair
b)
a bird
c)
a towel
d)
sunlight
2.
Which of these shows a chemical change?
a)
tearing paper
b)
morning dew on the grass
c)
melting ice
d)
a copper roof that turned green
3.
The smallest unit of matter is
a)
an atom
b)
a compound
c)
a molecule
d)
the heart of a flea
4.
Which of these is an example of a molecule?
a)
A Sodium atom
b)
salt mixed in water
c)
Water- H2O
d)
A Carbon atom
5.
This image shows ......
a)
An Element
b)
A Mixture
c)
A Pure Compound
d)
No molecules
6.
Which of these is a compound?
a)
Sugar mixed in water
b)
A sodium atom
c)
Water- H2O
d)
Ocean water
7.
An element contains.....
a)
Water and other molecules
b)
Only one type of atom
c)
Many different types of atoms
d)
Atoms and compounds
8.
The density of water is 1 g/cm3. Would wood float or sink when put in a beaker of water?
a)
Float
b)
Sink
9.
Which of the substances listed in the most dense?
a)
Wood
b)
Gold
c)
Paraffin Wax
d)
Aluminum
10.
Which of these is a chemical change?
a)
A candle melting
b)
Boiling water
c)
Burning firewood
d)
Tearing paper
11.
You melt chocolate and some gets outside of your pan. 20 minutes later the chocolate is a solid. What has happened?
a)
Condensation has occurred
b)
Freezing has occurred
c)
Evaporation has occurred
d)
No phase change has occurred
12.
In this image, NH3 is...
a)
the reactant
b)
the product
c)
neither
13.
Which of these answers lists only physical properties?
a)
density & magnetism
b)
density & reactivity to water
c)
density & reactivity to air
d)
density & reactivity to acid
14.
Which of the following is an example of a chemical property?
a)
Color
b)
Reactivity with oxygen
c)
Density
d)
Magnetism
15.
Signs of a chemical reaction include...
a)
Formation of a solid
b)
Color change
c)
Heat given off
d)
All of the above
16.
"Average kinetic energy of the particles in the object" is the definition of...
a)
Density
b)
Heat
c)
Insulation
d)
Temperature
17.
The flow of energy from a hot to cool is ...
a)
Heat
b)
Temperature
c)
Density
d)
Insulation
18.
The Law of Conservation of Mass states:
a)
Matter is always created
b)
Matter is always destroyed
c)
matter is not created or destroyed
d)
Matter doubles in a reaction
19.
As temperature increases, the KE of particles....
a)
Decreases and they spread out
b)
Decreases and they come closer together
c)
Increases and they spread out
d)
Increases and they come closer together
20.
In a solid, particles will stop moving...
a)
When the temperature hits zero
b)
Never, particles are always in motion
c)
When the temperature hits one hundred
d)
When equilibrium is reached.
21.
You leave your warm car and step into the cold air. What happens?
a)
Cold air begins to enter your warm body
b)
Heat begins to flow out of your body into the cold
22.
Which one shows conduction?
a)
You feel the warmth from a fireplace
b)
The sunlight shines on you on the beach
c)
A cake is baking in your oven
d)
You are holding a warm mug and your hand feels warmer
23.
Which one shows convection?
a)
You feel the warmth from a fireplace
b)
The sunlight shines on you on the beach
c)
A cake is baking in your oven
d)
You are holding a warm mug and your hand feels warmer
24.
Which one shows radiation?
a)
You touch a cold car
b)
The sunlight shines on you on the beach
c)
A cake is baking in your oven
d)
You are holding a warm mug and your hand feels warmer
25.
During a sea breeze, cool ocean air sinks and warm land air rises. This creates a ______current.
a)
Conduction
b)
Convection
c)
Convoluting
d)
Constructed
26.
Fish in a pond don't die in the summer because water has a....
a)
High specific heat
b)
High temperature
c)
Low specific heat
d)
High thermal energy
27.
During an energy conversion from one form to another....
a)
A little energy is lost
b)
A little energy is gained
c)
Energy is not lost or gained
d)
Energy cannot be converted at all
28.
A monkey eats a banana and then jumps around. This conversion is ....
a)
mechanical to chemical
b)
electromagnetic to mechanical
c)
chemical to mechanical
d)
radiant to mechanical
29.
Renewable resources are great for our environment because...
a)
They take millions of years to make again
b)
They cannot be used in remote areas
c)
They only work in the sun
d)
They do not take long to renew
30.
The GPE of an object will increase if the ________increases.
a)
Height
b)
Velocity
c)
Speed
d)
Momentum
31.
Kinetic energy depends upon...
a)
Mass and gravity
b)
Mass and velocity
c)
Mass and volume
d)
Mass only
32.
LED lightbulbs are better than incandescent (older) bulbs because...
a)
LED transform most of the electrical energy into heat energy
b)
LED transform light into electric energy
c)
LED transform most of the electrical energy into light energy
d)
LED are only solar powered
33.
The ultimate source of all energy on Earth goes back to the ...
a)
Fossil Fuel stores
b)
Moon
c)
1st Nuclear power plant
d)
Sun
34.
I should study for my unit test because...
a)
Grades don't matter
b)
School is overrated
c)
Learning how to review for a midterm is important!
d)
Mrs. Hoffman will track me down if I don't.. ;)
100 %
