WorksheetsCHANGES IN MATERIALS
Total questions: 15
Worksheet time: 10mins
Which is a chemical change?
Wood being burned.
Wood being chopped up.
Wood being ground up.
Wood being nailed.
Which is not a chemical change?
a change that gives off heat
a change that creates bubbles
a change that makes a new substance
a change in size, shape, or state
A changes in size, shape, mass, odor, color, texture, density and state but no new substance is formed.
Physical Change
Chemical Change
Fireworks is an example of_______
physical Change
chemical Change
It is a change that occurs when one or more substances changed into a new material.
Physical Change
Chemical Change
Slicing a bread is an example of ______________________.
physical Change
chemical change
Which of the following is a physical change?
A nail rusting
A glass breaking
A dead plant rotting
A candle wick burning
Which is a type of physical change?
A piece of burnt food
Melting ice
Baked cupcakes
A nail that is rusty
It is a part of the air that surrounds us. It has effects on different materials.
Oxygen
Heat
Combustion
Physical Change
What do you call to the process when a material is expose to oxygen and gives a chemical reaction?
Oxidation
Combustion
Iron
Composition
What are the three things needed to start combustion?
(a)
What are the combination to form rust?
Oxygen + Oxygen
Oxygen + Iron
Oxygen + Combustion
Combustion + Heat
When the enzymes of fruits or vegetables exposed to oxygen, what will happen?
Food scrap
Food spoilage
Food oxygen
The amount of rust formed in an iron depends on the moisture and humidity of the surroundings.
True
False
Maybe
What have you learned in Science 5 (Changes in Material)
