General Science Chapter 2 Review
Name:_____________________________
1. ________________________ is the study of matter and how it changes.
2. ____________________ is anything that has mass and occupies space.
3. Name two things that are NOT matter:
4. _________________________ are substances that cannot be broken down into
simpler substances; ______________________ is an example.
5. The smallest particle that has all of the properties of a particular element are
called _____________________.
6. A(n) ___________________________ is a substance made of atoms of more
than one element bonded together; _________________ is an example.
7. A(n) ________________________ is the smallest unit of a substance that
exhibits all the properties of that substance.
8. The _______________________________ indicates what atoms and how many
of each one make up each molecule.
9. Which of the following is a chemical formula?
a. Co
b. CH4
c. 2C
d. y = mx + b
10. Any matter that has a fixed composition and definite properties is a(n)
_______________________________________.
11. When pure substances combine, they become a(n) _____________________.
12. Mixtures that do not mix uniformly are called _______________________
mixtures, while mixtures in which pure substances are combined uniformly are
called _______________________ mixtures.
13. The ___________________________________ describes particle behavior in
matter.
14. The ______________________ and ______________________ of particles in a
substance determine which physical state of matter the substance is in.
15. _______________ can change both shape and volume, while
_________________ cannot change shape nor volume.
16. Because liquids and gases can spread, or take the shape of their container, they
are considered to be _______________.
17. _______________________ is the resistance of a liquid to flow.
18. The ability to change or move matter is called ______________________.
19. _____________________________ is the change of a substance from a solid
directly to a gas.
20. The ________________________________________ tells us that mass cannot
be created or destroyed.
21. _____________________________________ describe the way a substance
reacts with other substances to form new substances with different properties.
22. The characteristics of a substance that can be observed or measured without
changing the chemical composition of the substance are
____________________________________________.
23. 453 kg is an example of a chemical / physical property.
24. Density is the mass per unit volume of a substance and is a physical property.
Calculate the density of an unknown substance that has a mass of 4.0 g and a
volume of 0.45 cm3.
25. Cutting an apple in half is a physical / chemical change.
26. Digesting food is a physical / chemical change.