1. They are materials that do not allow light to pass through them. *

A. opaque
B. translucent
C. shadow
D. none of the above

2. What is formed when light is blocked? *

A. rays
B. angles
C. shadow
D. different shapes

3. How does light travel? *

A. in a curve
B. in a straight line
C. in a circle
D. in a loop

4. Objects are not clearly seen through these materials because they blur the light that passes through them. *

A. transparent
B. translucent
C. opaque
D. clear glass

5. What happens when light falls on a wood? Light is __________. *

A. absorbed
B. transmitted
C. blocked
D. scattered​