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WorksheetsHeat changes
Total questions: 14
Worksheet time: 12mins
Name
Class
Date
1.
A student pours water in a glass beaker and heats it on a hot plate. What change will occur as the water continues to heat? The water will change from a —
a)
gas to liquid
b)
liquid to solid
c)
solid to liquid
d)
liquid to gas
2.
A student dropped several ice cubes into a glass of room temperature water. The ice cubes melted because they -
a)
received thermal energy from water
b)
all have the same size and shape
c)
were only in the water for a short time
d)
could all float on top of the water
3.
After taking a shower, a student observed water droplets condensing on the bathroom mirror. Water condenses on the mirror because the mirror -
a)
reflects light energy
b)
is cooler than the air
c)
is a large, flat solid
d)
can easily be removed
4.
On what kind of day will ice most likely melt quickly?
a)
a hot, sunny day
b)
a cold, snowy day
c)
a warm, rainy day
d)
a cool, clear day
5.
To change from a solid to a liquid
a)
predict
b)
cool
c)
change
d)
melt
6.
To forecast what you think will happen
a)
predict
b)
cool
c)
change
d)
melt
7.
To become colder
a)
predict
b)
cool
c)
change
d)
melt
8.
To become altered in some way
a)
predict
b)
cool
c)
change
d)
melt
9.
Which of the following will cause an ice cube to melt?
a)
covering the ice cube with aluminum foil
b)
adding thermal energy to the ice cube
c)
putting the ice cube in a dark place
d)
returning the ice cube to the freezer
10.
On a hot, summer day, water droplets often form on the outside of a cold glass of water. The water droplets form when water vapor in the air
a)
loses heat on the cold glass
b)
reacts with the chemicals in the air
c)
gains energy from sunlight
d)
is moved about quickly by wind
11.
A lake that is frozen in the winter will melt during the spring. This happens because in the spring
a)
there are usually more days with rain
b)
many plants begin to grow new leaves and flowers
c)
the days are warmer and the sun shines longer
d)
humans get to spend more time outside
12.
A crayon is left outside on a sunny, summer day. All of the following will likely happen except
a)
change of state
b)
change from liquid to gas
c)
some melting
d)
change in shape
13.
You add heat to an ice cube. What will happen next?
a)
It will change to a solid.
b)
It will change to a liquid.
c)
It will catch on fire.
d)
It will change to coke.
14.
Your ice cream melted in the sun. You remove the heat by placing it in the freezer. What will happen next?
a)
It will change to a gas.
b)
It will change to a liquid.
c)
It will change to a solid.
d)
It will change to a milkshake.
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