PS.2 Matter Open Notes Classwork
A) anything that has mass and takes up space
B) anything that has mass
C) anything that we can see
D) anything that takes up space
- 2. What is a substance made up of two or more chemically combined elements in a fixed ratio?
A) solution
B) mixture
C) compound
D) element
- 3. What is table salt (NaCl) classified as?
A) compound
B) mixture
C) solution
D) element
- 4. What is an example of an element?
A) water (H2O)
B) air (N, O, Ar, CO2)
C) oxygen (O)
D) salt (NaCl)
- 5. Which of these is best classified as a mixture?
A) water (H2O)
B) propane (C3H8)
C) air (N, O, Ar, CO2)
D) salt (NaCl)
- 6. A substance with a definite volume and a definite shape is classified as a -
A) gas
B) solid
C) plasma
D) liquid
- 7. Which phase of matter has no definite volume and occupies all the space available to it?
A) gas
B) liquid
C) solid
- 8. Which state of matter is electrically charged an exists at extremely high temperatures?
A) solid
B) liquid
C) plasma
D) gas
- 9. Which state of matter has no definite shape but does have a definite volume?
A) liquid
B) gas
C) solid
D) plasma
- 10. What is a physical property of matter?
A) solubility
B) combustibility
C) reactivity
D) acidity
- 11. Density depends on what two measurements of an object?
A) mass and volume
B) length and width
C) volume and size
D) mass and weight
- 12. What is a chemical property of matter?
A) density
B) solubility
C) shape
D) basicity
- 13. As matter changes from a solid, to a liquid, to a gas, what happens to its particles?
A) they increase in number
B) they slow down
C) they speed up
D) they decrease in number
- 14. As matter turns from a gas, to a liquid, to a solid, the energy of the particles -
A) increases
B) decreases
C) stays the same
- 15. In which phase of matter are the particles most tightly packed?
A) liquid
B) solid
C) gas
D) plasma
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