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Science Benchmark Review
Test Description: Science benchmark review
Instructions: Answer all questions to get your test result.
1) Which is an example of something that transfers heat by radiation?
A
the sun
B
stove burner
C
hot air balloon
D
wind currents
2) Pink powder is added to water, and the result is a red liquid. What kind of change has occurred?
A
physical
B
nuclear
C
gaseous
D
chemical
3) Why does a flannel blanket provide warmth to a person on a cold night?
A
The blanket is unable to remain cool, so it warms the person’s body.
B
The blanket acts as an insulator, slowing the rate at which a person’s body loses heat.
C
The blanket is a conductor of heat, so it warms the person’s body.
D
The blanket is warmer than the air in the room, so it warms the person’s body.
4) Before pots and pans were invented, people cooked using smooth stones at a fire pit. Which best describes a characteristic of stones that made them a good choice of cookware?
A
Stones cool quickly.
B
Stones absorb and hold heat well.
C
Stones create steam when they are heated.
D
Stones flavor the food.
5) Which keeps the water cycle going?
A
the ocean
B
the clouds
C
the plants
D
the sun
6) Lucas noticed a large amount of clouds in the air. What phase change has taken place?
A
evaporation
B
freezing
C
condensation
D
melting
7) During winter months, people worry about the water pipes in their house breaking. Which best explains why?
A
Water in pipes can freeze, expand, and the added pressure can break water pipes.
B
Water in pipes can melt, contract, and the added pressure can break water pipes.
C
Water in pipes can melt, expand, and the added pressure can break water pipes.
D
Water in pipes can freeze, contract, and the added pressure can break water pipes.
8) Megan added 100 g of water to a pot that weighed 600 g, placed a 200 g airtight lid on top, and boiled water. After boiling, why does the container still have a mass of 900 g?
A
The water did not go through any change.
B
The water was heated, adding mass to the pot.
C
The water evaporated but then condensed on the lid.
D
The water evaporated and left the pot.
9) Which is an example of a chemical change?
A
a piece of paper burning
B
a cup of ice freezing
C
salt dissolving in water
D
wax crayons melting
10) How is boiling water an example of convection?
A
The stove heats the pot, heat energy is transferred from the outside of the pot in, then the cool water moves to the edges
B
Cool water rises, heat energy is transferred from top of the pan to the bottom, cool water then rises, the process repeats
C
Warm water rises, heat energy is transferred from the bottom of the pan to the top, the cool water sinks, the process repeats
*select an answer for all questions
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