Summer Science Quiz

What is the primary function of eccrine sweat glands?

• To release hormones

• To protect against UV rays

• To cool the body through sweat evaporation

• To produce body odor

Why do fingers get pruney when submerged in water?

• Because they absorb water

• Due to an active process controlled by nerves

• As a result of dehydration

• Because of increased blood flow

What advantage do pruney fingers provide?

• They improve grip in wet conditions

• They help in swimming faster

• They prevent water absorption

• They increase sensitivity

What causes a sunburn?

• Friction with rough surfaces

• Radiation from UV rays

• Contact with hot surfaces

• Exposure to fire

What does SPF in sunscreen measure?

• The amount of melanin in the skin

• The thickness of the ozone layer

• Protection against UVB rays

• Protection against UVA rays