Question

when do you need to wear safety goggles? (circle all that apply.) when the teacher instructs me to do so. when handling objects that may break, expand, or endanger my eyes in someway. every class period. when heat or chemicals are used.

Explanation:

Safety goggles protect eyes from hazards. Teachers may require them for safety. Handling potentially dangerous objects, using heat or chemicals can pose eye - risks. Wearing them every class period is unnecessary without hazards.

Answer:

When the teacher instructs me to do so.
When handling objects that may break, expand, or endanger my eyes in someway.
When heat or chemicals are used.