Name
Class
Date
What are sources of light?
Lesson Review
Match each term in Column B with its description in Column A. Write the letter
in the space provided.
Column B
Column A
__________ 1. material that transmits light easily
a. translucent
__________ 2. material that blocks light
b. shadow
__________ 3. object that gives off its own light
c. transparent
__________ 4. object that reflects light
d. opaque
__________ 5. material that transmits some light
e. luminous
__________ 6. formed when a material blocks light
f. illuminated
Skill Challenge
Skills: observing, classifying, organizing
Decide whether each material or object listed below is illuminated, luminous,
opaque, translucent, or transparent. Place a check mark in the correct column.
Material/Object
Illuminated
Luminous
Opaque
Translucent
1. Plastic food wrap
2. Lighted candle
3. Stained glass
4. Tracing paper
5. Piece of wood
6. Moon
7. Cardboard
8. Sheer fabric
9. Spotlight
10. Orange juice
Concepts and Challenges in Physical Science, Teacher’s Resources CD-ROM
(c) by Pearson Education, Inc./Globe Fearon/Pearson Learning Group. All rights reserved.
Light
Transparent
Answer Key
What are sources of light?
Lesson Review
1. c 2. d 3. e 4. f 5. a 6. b
Skill Challenge
1. Transparent 2. Luminous 3. Translucent
4. Translucent 5. Opaque 6. Illuminated
7. Opaque 8. Translucent 9. Luminous
10. Translucent
Concepts and Challenges in Physical Science, Teacher’s Resources CD-ROM
(c) by Pearson Education, Inc./Globe Fearon/Pearson Learning Group. All rights reserved.
Light