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Jouer Test
1. 
What is the best definition for MATTER?
A.
It is anything that has life.
B.
It is anything that has mass and takes up space.
C.
It is anything that interaqcts with the living things.
2. 
What is the relationship between mass and volume? Choose some answers.
A.
Mass is the anmount of matter in an object.
B.
Mass is the different states of matter of an object.
C.
Volume is related to the size of objects acording to the mass.
D.
Volume is how much matter are in an object.
3. 
The weight of objects is related to:
A.
density
B.
gravity
C.
atmospheric pressure
4. 
The characteristic property of Buoyancy:
A.
It is the relationship bewteen the amount of matter in a object.
B.
It is the ability of bodies to remain on the surface of a liquid.
C.
It is the amount of matter that has a body.
5. 
According to substances, it can be cllasified in two groups.
A.
Pure substances
B.
elements
C.
mixtures
D.
compounds
6. 
Pure substances are classified into:
A.
elements which cannot be broken down
B.
Compunds which can be broken down in simple substances
C.
mixtures which is a compund made by different substances.
7. 
What is the difference bewteen the two types of mixtures?
A.
Heterogenous means mixtures of solids.
B.
Homogeneous means mixtures of solids and liquid.
C.
Heterogenous means they can be seaparated easily.
D.
Homogeneous means the mix create something new.
8. 
What are the separating methods for heterogeneous mixtures?
A.
settling
B.
magnetism
C.
distillation
D.
vaporization
9. 
What are the separating methods for homogeneous mixtures?
A.
crystallization
B.
sieving
C.
filtration
D.
vaporization
10. 
Combustion is a chemical change which means?
A.
It is a process ion which some metals in contact with air or water react.
B.
It is a process carried out by some microorganisms.
C.
It is the reaction between a material and oxygen when it burns.
11. 
Decomposition is a chemical change that is used a fertilizer called:
A.
insulating materials
B.
fermentation
C.
compost
12. 
Insulating materials are essential for:
A.
to prevent electric conduction
B.
to prevent heat conduction
C.
to prevent liquid conduction
13. 
Oxidation is a chemical change that occurs in:
A.
plastic
B.
rubber
C.
glass
D.
metals