Nat Geo Light Pollution Quiz

What is light pollution primarily caused by?

• Volcanic eruptions

• Natural phenomena

• Human inventions and activities

• Solar flares

Tags

NGSS.MS-ESS3-4

Which invention is considered one of the greatest but contributes to light pollution?

• The internet

• The electric lightbulb

• The automobile

• Plastic

What percentage of the world's population lives under sky glow?

• More than 70%

• More than 50%

• Less than 40%

• More than 80%

Which hormone's production is affected by artificial light at night?

• Estrogen

• Adrenaline

• Insulin

• Melatonin

What effect does light pollution have on animals?

• Impacts their migration patterns and behaviors

• Has no significant impact

• Improves their night vision

• Makes them stronger

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which organization is working to reduce light pollution?

• World Health Organization

• Greenpeace

• International Dark Sky Association

• United Nations Environment Programme

What is the effect of blue light on humans?

• Reduces melatonin levels

• Increases melatonin production

• Has no effect on sleep

• Improves night vision

What is one of the other kinds of light pollution besides sky glow?

• Moonlight

• Starlight

• Sun glare

• Glare

What year was the first U.S. dark sky reserve approved by the IDA?

• 2016

• 2018

• 2017

• 2015

What is a recommended action to reduce light pollution?

• Use brighter lights for safety

• Increase the use of LED lights

• Use outdoor lighting only when necessary

• Remove all outdoor lighting