Worksheets3.P.9.1 Changing States of Matter
Total questions: 11
Worksheet time: 33mins
Name
Class
Date
1.
Lyn makes candles to sell in her in candle store. She makes new candles by first melting the wax in a pot over the hot stove, stirring the wax with a spoon. After all the wax has melted, Lyn removes the pot from the stove to cool. She continues to stir the wax but finds it more difficult to do so. Why does Lyn have a more difficult time stirring the wax?
a)
The wax has changed to water vapor.
b)
The wax has changed to a solid.
c)
The wax has changed its mass.
d)
The wax has change to ice.
2.
Thomas takes a bottle of water out of the refrigerator and sets it on the kitchen counter. He soon observes many tiny water droplets on the outside of the bottle, getting the counter top all wet. Thomas’ water bottle is shown below. Which of the following explains why the outside of the bottle is wet?
a)
Water vapor is condensing into a liquid.
b)
The liquid water inside the bottle is evaporating out.
c)
Sweat is forming on the outside of the bottle when it becomes warm.
d)
The water particles in the air are touching the bottle and are melting.
3.
Jeraldyne wants to paint the school sidewalk but doesn’t have any paint. She decides that water will work just as well. Jeraldyne paints several pictures on the sidewalk with water but is soon disappointed when the pictures begin to disappear. Which of the following statements explains what is happening to Jeraldyne’s pictures?
a)
The water is cooling.
b)
The water is condensing.
c)
The water is melting.
d)
The water is evaporating.
4.
Harry enjoys a cup of tea every day after school. His mother boils water in a tea kettle and Harry can see the steam coming out of the spout. Which of the following describes how the state of water changes when the water begins to boil?
a)
a gas changes to a liquid.
b)
a solid changes to a gas.
c)
a liquid changes to a gas.
d)
a gas changes to steam.
5.
Emiliano is learning about the physical changes of water that can occur. He investigates these changes on his own by placing some ice cubes in a beaker and making observations over the next several days. Emiliano draws the physical changes he observes. Which of the following changes need to occur for the water in Beaker B to change to vapor in Beaker C?
a)
The water gains heat.
b)
The water loses heat.
c)
The water boils to become a vapor.
d)
The water condenses to become a vapor.
6.
Condensation is the opposite of
a)
melting
b)
freezing
c)
evaporating
d)
boiling
7.
Water foing from -1 degree C to 1 degree C results in
a)
ice changing to water
b)
water changing into water vapor
c)
water changing into freezing cold water
d)
ice turning to water vapor
8.
Heat loss or heat gain explains evaporation.
a)
Heat Loss
b)
Heat Gain
9.
Heat loss or heat gain explains evaporation.
a)
Heat Loss
b)
Heat Gain
10.
True or False: Rain is to condensation as steam is to boiling.
a)
True
b)
False
11.
Which state of matter takes the shape of the container it is in?
a)
Gas
b)
Solid
c)
Liquid
100 %
