Science 9 Review: Chapter 1.1,1.2,1.3
1. What is matter? (p16)
Anything that has mass and volume
2. What is energy? (p504)
Something that can cause motion or do work
3. What is mass? (p16)
Mass is the amount of material or substance in an object (commonly thought of as that
which gives weight).
4. What is volume? (p16)
Volume is the space an object takes up (commonly thought of as an object’s size)
5. What is a chemical change? (p17)
A chemical change is a change in which when new substances are formed.
6. What is a physical change? (p18)
A physical change is a change in which a new form of the same substance is formed.
7. What are the three common state of matter on earth? (p18)
Solid, liquid and gas
8. What state of matter completely takes up the volume of the container it is put in?
(p18-19)
The gaseous state
9.
1.
2.
3.
What are the 4 main ideas of the Kinetic Molecular Theory? (p19)
All matter is made up of very small particles
There is empty space between these particles
Matter’s particles are constantly moving. In solids they vibrate around fixed
points, in liquids they slide past each other but are attracted to each other, and in
gases they move very far apart and very fast
4. Adding energy (heat) makes particles move faster and farther apart while
removing energy (heat) makes particles move slower and closer together
10. What is the change of state called when a solid changes directly into a gas? (p21)
sublimation
11. What is the change of state called when a liquid changes directly into a solid?
(p21) freezing or solidification
12. What is the change of state called when a gas changes directly into a liquid?
(p21)
condensation
13. What is the change of state called when a gas changes directly into a solid? (p21)
deposition
Science 9 Review: Chapter 1.1,1.2,1.3
14. What is the change of state called when a solid changes directly into a liquid?
(p21) melting
15. What is the change of state called when a liquid changes directly into a gas?
(p21)
evaporation or vaporization
16. How is a liquid different from a solid in shape and volume? (p19-20)
A liquid has no definite shape.
17. How are gases and liquids similar in shape and volume? (p19-20)
They both have shapes that are determined by their surroundings.
18. How are solids and gases different in the amount of space between particles?
(p19-20)
Solids have particles that are very close together while gases have particles that are very
far apart.
19. In what two ways does heat affect the particles of a substance? (p19-20)
Heat causes the particles of a substance to move faster and farther apart.
20. As the particles of a gas lose heat, what changes do they go through? (p20-21)
The particles slow down and come close enough so that they attract each other and form a
liquid. As the particles slow even more they come closer together and form a solid in
which they just vibrate.
21. In general, what are physical properties of a substance? Give 4 examples of
physical properties. (p22)
Physical properties are properties that an object has all by itself like colour, hardness,
density, electrical conductivity, malleability, crystallinity
22. What is malleability? (p22)
Malleability is how well a substance can be beaten into sheets.
23. What is the difference between qualitative and quantitative properties? (p22)
Quantitative properties can be measured with numbers while qualitative properties can
not. For iron, its density is 7.8 g/cm3 (a quantitative property) and its colour is grey (no
number for grey).