The Importance of Sunscreen

What is the primary cause of sunburn according to the passage?

• UVB rays

• UVA rays

• Infrared rays

• Visible light

What does an SPF rating of 30 indicate?

• You can stay in the sun 30 times longer without burning compared to unprotected skin.

• It blocks 100% of UV rays.

• It provides protection only against UVA rays.

• It is suitable only for outdoor activities.

Why is daily use of sunscreen important, even on cloudy days?

• UV rays can penetrate through clouds and windows.

• Sunscreen is only effective on cloudy days.

• Clouds increase the intensity of UV rays.

• Sunscreen is not needed on sunny days.

What is a broad-spectrum sunscreen designed to protect against?

• Both UVA and UVB rays

• Only UVB rays

• Only UVA rays

• Infrared rays

What is a significant environmental hazard mentioned in the passage?

• Ultraviolet (UV) radiation

• Air pollution

• Water pollution

• Noise pollution

Tags

NGSS.MS-ESS3-2