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WorksheetsPhysical and Chemical Changes States of Matter
Total questions: 25
Worksheet time: 25mins
Kim puts an ice cube in a beaker and it melts. This is a good example of
a physical change
a chemical change
an experiment
an analysis
An example of a liquid turning into a gas is (liquid --> gas)
a chocolate bar melting
an ice cream cone dripping
a stick of butter getting warm
steam escaping from a cup of hot chocolate
Which of the following is an example of melting?
stirring some sugar in water until you cannot see the sugar
heating a pan of water until all the water is gone
heating a block of ice until the ice turns to water
cooling water in the freezer until it becomes a solid
What is an example of a chemical change?
paper being burned
metal being melted
a board being cut in half
water being boiled
What happens to the particles of a substance when it changes from a solid to a liquid?
They move closer together.
They move farther apart.
They disappear.
They change color.
Label the parts of the picture.
sublimation
freezing
precipitation
vaporization
condensation
boiling point
melting point
What is the process called when a gas changes into a liquid?
Evaporation
Condensation
Sublimation
Freezing
Changes in states of matter
gas
add energy
remove energy
solid
liquid
Which state of matter is characterized by having a fixed lattice structure and resists deformation?
Solid
Liquid
Gas
Plasma
Which of the following processes involves a reversible physical change?
Rust forming on iron
Baking a cake
Cutting paper
Melting ice
Which state of matter has particles that are tightly packed and only vibrate in place?
Solid
Liquid
Gas
Plasma
What is the term for the change of state from solid directly to gas?
Melting
Freezing
Sublimation
Condensation
What is the state of matter characterized by having a definite shape and volume?
Solid
Liquid
Gas
Plasma
Which of the following is a physical change?
Rust forming on iron
Baking a cake
Cutting paper
Burning wood
What happens when water boils?
The solid water becomes a liquid.
The liquid water becomes a solid.
The liquid water becomes a gas.
Water vapor becomes liquid water.
Which statement is correct?
Physical change only changes the size.
Physical change only changes the color.
Physical changes begin and end with the same matter.
Physical changes change the matter into something totally different.
In a chemical change, what would happen if you mixed two substances?
They would form a new substance.
The two would not be able to mix.
They would be two separate substances.
An example of a solid turning into a liquid is (solid --> liquid)
water vapor turning into water
water turning into water vapor
water freezing into ice
ice melting into water
If you dissolved a lot of salt in some water in a large flat dish and put the dish in bright sunlight on a hot day, what would be left in the dish after a long time?
dry salt
water with no salt
the same salty water as before
nothing
David added a little baking soda to a beaker that contained vinegar. Bubbles started coming from the mixture as a gas was released. The gas was evidence that
the mixture was starting to boil
the air in the flask contracted
a chemical change took place
Mark is observing a burning candle. He notices that the candle wax makes a pool and dribbles down the side of the candle, where it hardens again. The candle wax has undergone
a physical change
a chemical change
the formation of a new substance
Which of the following is an example of a physical change?
A) Burning wood
B) Rusting iron
C) Melting ice
D) Baking a cake
What happens to the particles of a substance when it changes from a liquid to a gas?
A) They move closer together.
B) They move farther apart.
C) They disappear.
D) They change color.
Which process involves a chemical change?
A) Freezing water
B) Dissolving sugar in water
C) Burning a candle
D) Melting butter
What is the process called when a solid changes directly into a gas?
A) Melting
B) Freezing
C) Sublimation
D) Condensation
