Direction: Write the letter of the correct answer on the blank before each numbe
1. How does laser light travel?
A. Curve line
B. slant line
C. straight line
D. zigzag line
2. How will you describe the size of the laser light?
A. average
C. narrow
B. big
D. wide
3. Laser light can travel_distances and still focus on a small area.
A. average
C. near
B. long
D. short
4. Laser light has a great deal of
A. Chemical
B. Heat
energy
C. Potential
D. Sound
5. Laser have many uses, which is not included?
A. agriculture
C.medicine
B. industry
D. storing of information​