Page 20 - Science Course 1 (Book 2)

Mo7-L1: Lesson Review Quiz (Matching)

Direction: On the line before each def nition, write the letter of the term that matches it correctly. Each
term is used only once.

1. a small particle that is a building block of matter A. atom

2. a substance that consists of just one type of atom B. mixture
3. a combination of two or more substances physically blended together C. element
4. anything that has mass and takes up space D. matter

Mo7-L1: Lesson Review Quiz (Multiple Choice)

Direction: On the line before each question or statement, write the letter of the correct answer.

5. Which item is a substance?
A. aluminum
B. apple juice
C. muddy water

6. The number of protons in an atom of an element is the element’s
A. atomic mass.
B. atomic number.
C. element symbol.

7. H O is an example of
2
A. an atomic number.
B. an element symbol.
C. a chemical formula.

8. The individual substances that make up a ________ are not evenly mixed.
A. compound
B. homogeneous mixture
C. heterogeneous mixture

9. Aluminum and carbon dioxide are examples of
A. mixtures.
B. solutions.
C. substances.
D. compounds.

10. The number of protons in an atom of an element is the element’s
A. atomic mass.
B. atomic number.
C. element symbol.
D. chemical formula.

11. A kind of matter that is classif ed as a solution could also be classif ed as
A. a mixture.
B. an element.
C. a substance.
D. a compound.

12. A chemical formula represents the different
A. substances in a mixture.
B. properties of an element.
C. parts that make up an atom.
D. elements that make up compounds.

12