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Matter And Energy Unit Review
Test Description: Matter and Energy Review
Instructions: Answer all questions to get your test result.
1) Which is most responsible for the uneven heating of the air in the atmosphere?
A
radiation
B
condensation
C
conduction
D
convection
2) A pot is heated on a stove. Which process causes the metal handle of the pot to also become hot?
A
conduction
B
combustion
C
convection
D
radiation
3) People sitting around a campfire are able to feel the heat from the fire. How are the people able to feel the heat from the fire without touching the fire?
A
The heat from the fire radiates from the fire to the people
B
The heat from the fire travels through the ground and heats the ground around the people.
C
The heat from the fire rises in the air and then settles around the people.
D
The heat from the fire is conducted through air molecules to the people.
4) Bill stands in a swimming pool and notices that the water around his feet is a lot cooler than the water near the surface. Which process causes this difference in temperature?
A
radiation
B
convection
C
evaporation
D
conduction
5) Which best explains why a full glass bottle of water should not be stored in a freezer?
A
. Water contracts when it freezes, which could break the bottle.
B
Water expands when it freezes, which could break the bottle.
C
The temperature of the freezer will make the water too cold.
D
The temperature of the freezer will not make the water cold enough.
6) Which is an example of a different substance being formed?
A
metal melting
B
water freezing
C
wood burning
D
glass breaking
7) If 10 grams of water are added to 5 grams of salt, how much salt water will be made?
A
5 grams
B
10 grams
C
2 grams
D
15 grams
8) Which statement best describes why baking a cake is an example of a chemical change?
A
The process can be repeated.
B
. The process cannot be reversed.
C
The process takes place in a kitchen.
D
The process requires heat energy.
9) Over time, iron becomes rust when it combines with water and oxygen. Which type of change must occur for rust to form?
A
physical
B
chemical
C
nuclear
D
mechanical
10) Which best describes the change that occurs when heat is added to ice cream?
A
A physical change occurs as the ice cream becomes sweeter.
B
A chemical change occurs as the ice cream freezes into a liquid.
C
A physical change occurs as the ice cream melts into a liquid.
D
A chemical change occurs as the ice cream becomes whiter.
11) A jeweler melts gold to make jewelry. As the gold melts, the mass
A
stays the same.
B
decreases.
C
increases.
D
is destroyed.
12) Which property of sugar remains after sugar is dissolved in water?
A
taste
B
texture
C
shape
D
color
13) In which way are evaporation and condensation similar?
A
Both are caused by the warming of the atmosphere.
B
Both cause decreases in air temperature
C
Both cause increases in air temperature.
D
Both are caused by changes in heat energy.
14) After a rain, a puddle of water remains on a sidewalk. After a day of sunshine, the puddle is gone. Which process is most responsible for the disappearance of the puddle?
A
condensation
B
evaporation
C
precipitation
D
transpiration
15) What must occur before clouds can form?
A
Precipitation must begin to fall and run off.
B
Water vapor must lose heat energy.
C
Transpiration must add water vapor to the atmosphere.
D
Water vapor must get warmer.
*select an answer for all questions
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