WorksheetsChemical Magic
Total questions: 15
Worksheet time: 8mins
What is the best way to make a dull penny shiny?
Wash it with soap
Dip it in vinegar & salt
Spit on it
Dip it in salt water
Which change is a chemical reaction?
One kind of matter changes into another kind of matter with different properties
One kind of matter changes phases
One kind of matter keeps its identity & properties
One kind of matter changes its shape & volume
Which of the following describes what happens during a chemical reaction.
Matter is destroyed
Matter is not changed
Matter is created & destroyed
Matter is neither created nor destroyed
What happens to particles in water as you heat the water in a pan?
The particles expand
The particles move faster
The particles move closer together
The particles break apart into separate atoms
Which is an example of a chemical change?
Cutting your hair
Putting on make-up
Folding towels
Rust forming
Are explosions always dangerous?
Yes
No
Are explosions always used to destroy things?
Yes
No
Explosions are caused when gas is produced.
Yes
No
Matter is made up of particles too small to be seen.
Yes
No
Which of these is not made using a chemical reaction?
fireworks
rubber
oxygen
silly putty
Which acids are not dangerous?
Vinegar
sulfuric
lemon juice
tomatoes
What is the first picture modeling?
Solid
Liquid
Gas
What is the 2nd picture modeling?
Solid
Liquid
Gas
What is the 3rd picture modeling?
Solid
Liquid
Gas
The pizza weights 1.5 pounds. It's cut into 8 pieces. How much does it weigh now?
2 pounds
1.5 pounds
.8 pounds
.25 pounds
