WorksheetsChanges in Matter- physical and chemical changes
Total questions: 16
Worksheet time: 8mins
A student added sugar to a glass of lemonade and stirred until the sugar disappeared. Why is this mixture a solution?
The sugar pieces are still visible.
The lemonade becomes a solid.
Its parts are evenly mixed together.
The sugar changes into a new substance.
What claim can be made about the event happening in the model?
It is a physical change because the water can be refrozen to make ice again.
It is a physical change because a liquid is formed at the end of the process.
It is a chemical change because new materials are made when melting happens.
It is a chemical change because the particles of the ice are close together.
How did matter change to make the food shown in the model?
It went through a chemical change.
It went through a physical change.
A mixture was separated over time.
A solution was mixed together.
Which of the following would be a chemical change?
Melting a popsicle
Tearing a sheet of aluminum foil
Rusting of an iron nail
Cutting a piece of string
A student placed a beaker of saltwater over a flame. The water evaporated, leaving salt behind. What is this an example of?
A physical change
A mixture
A chemical change
Condensation
Why is trail mix considered a mixture?
Other foods can be mixed in with the nuts.
The nuts are very well mixed together.
It has several parts that can be easily separated.
Heating it will cause it to separate out.
Which of these is an example of a physical change?
Burning wood in a campfire
Rusting of a bicycle chain
Frying an egg
Breaking a glass bottle
Which of the following is a chemical change?
Melting an ice cube
Tearing a sheet of paper
Chopping a carrot
Burning a piece of wood
Which example shows evaporation happening?
A puddle drying up in the sun
Ice cubes melting in a glass
Water freezing into ice
Steam turning back into water droplets
A _______________ is a combination of two or more things where each thing keeps its own properties and it isn’t changed by the combination.
Evaporation
Solution
Mixture
Physical Change
A change in an object's physical appearance that does not result in a new type of matter.
Chemical Change
Mixture Change
Physical Change
Solution Change
A special kind of mixture in which one part is evenly mixed into the other part.
Chemical change
Mixture
Physical Change
Solution
To change from liquid to a gas is to __________________.
Condense
Evaporate
Freeze
Melt
A change in matter when a new substance is formed and cannot be reversed.
Chemical Change
Mixture Change
Physical Change
Solution Change
Which observations are correct?
1 and 3
3 and 4
1, 2, and 3
1, 3, and 4
The diagram shows a gas undergoing physical change.
What happened to cause the change?
The gas was cooled.
The liquid was heated.
The liquid was evaporated.
The liquid was left at room temperature.
