WorksheetsUnit 1 Lesson 3
Total questions: 10
Worksheet time: 5mins
What has the characteristics of an object or substance that can be observed?
Physical reaction
Chemical reaction
Properties
Analyze
This type of property can be observed without changing the identity of the substance.
Physical Property
Chemical Property
Analysis Property
Property
This type of reaction is a process in which atoms or one or more substances rearrange to form one or more new substances.
Physical reaction
Chemical reaction
Analyze reaction
Property reaction
What happens to the atoms in a chemical reaction?
They are created
They are destroyed
They are rearranged
They change into new atoms
What type of change occurs when salt is dissolved into water?
Physical change
Chemical change
No change, it disappears
It evaporates
Which of the following is a physical change?
Change in odor
Gas bubbles
Smoke
Change in state of matter
Which of the following is a chemical change?
Change in state of matter
Tearing
Mixing
Cooking
The molecules in a solid move...
fast
medium
slow
they don't move
These are made up of one type of atom or one type of molecule.
Pure substance
Molecule
Homogenous Mixture
Heterogenous mixture
This type of mixture is not distributed evenly and can be separated.
Mixture
Homogenous mixture
Heterogenous mixture
This is not a mixture
