WorksheetsPhysical and Chemical Changes
Total questions: 25
Worksheet time: 25mins
Which action would cause the weight of an object or substance to decrease?
Burning it.
Stirring it.
Freezing it.
Dissolving it.
separating sand and gravel
physical change
chemical change
Freezing juice is an example of a(n) ________
physical change
chemical change
chemical reaction
heredity
Melting butter
Physical
Chemical
Smashing a can
Physical
Chemical
freezing chocolate covered bananas
physical change
chemical change
Is burning wood a chemical or physical change?
chemical
physical
Freezing juice is a
Chemical Change
Physical Change
Cutting your hair is a
Physical Change
Chemical Change
Melting a chocolate bar is an example of a(n) ______________ .
physical change
chemical change
photosynthesis
heredity
tire is inflated
chemical change
physical change
A firework display
Physical
Chemical
Which of the following is a correct statement about the investigations?
All of the situations are examples of physical changes because all of the investigations exhibit changes to the physical properties.
None of the situations are examples of physical changes because they all involve a color change.
Situation 2 is a physical change because rust forming is a natural process.
Situations 1 and 3 are physical changes because no new substances are formed.
Mixing Mentos and Coke
Physical
Chemical
A 5th grade student places baking soda in a cup. The student then adds vinegar to the cup. The student collects the data below from the experiment. Based upon the results of the experiment, which statement BEST describes whether the change is a physical or chemical change.
The data concludes that a physical change has occurred because it had an increased change in temperature, which resulted in the liquid to start bubbling.
The data concludes that a physical change has occurred because the color of the liquid changed when you mixed two materials.
The data concludes that a chemical change has occurred because there was formation of bubbles when the materials reacted to each other.
The data concludes that a chemical change has occurred because mixing two substances together will always result in a reaction.
Chopping food
Physical
Chemical
Slicing apples
Physical
Chemical
Photosynthesis is an example of a
physical change
chemical change
Is hammering wood to build a treehouse a physical or chemical change?
physical change
chemical change
This is a change in which matter changes to a different type.
Physical
Chemical
Which of the following is an example of a chemical change?
Melting ice
Burning wood
Dissolving sugar in water
Breaking glass
What happens to the molecules of a substance during a physical change?
They are rearranged to form new substances
They change their state but not their identity
They are destroyed
They combine with other molecules to form a new compound
Which of the following observations indicates a chemical change?
A change in state from solid to liquid
A change in color
A change in shape
A change in size
When a piece of iron rusts, what type of change is occurring?
Physical change
Chemical change
Both physical and chemical change
Neither physical nor chemical change
