Understanding Light Pollution

What is the main reason you might see fewer stars in a city compared to a rural area?

• The air is cleaner in rural areas.

• Light pollution from artificial lights.

• There are more clouds in cities.

• The stars are not as bright in cities.

Which type of light pollution is described as the brightening of the night sky over populated areas?

• Clutter

• Sky glow

• Glare

• Urban haze

What is an example of glare as a type of light pollution?

• Streetlights illuminating the sky

• Headlights on high beam while driving

• A brightly lit billboard

• Too many lights in a stadium

How does light pollution affect newly hatched sea turtles?

• It disorients them, leading them away from the ocean.

• It helps them find food.

• It has no effect on them.

• It makes them more visible to predators.

Why are professional observatories often located in remote areas?

• To be closer to celestial objects

• To reduce air pollution

• To escape light pollution

• To avoid noise pollution

What hormone's production is interfered with by excessive artificial light at night?

• Adrenaline

• Insulin

• Serotonin

• Melatonin

What is a significant economic cost associated with light pollution?

• Increased taxes

• Increased maintenance costs for streetlights

• Wasted energy from poorly designed lighting

• Higher electricity bills for residents

What is the phenomenon called when the combined glow from all artificial lights in a city makes it difficult to see stars?

• City glow

• Urban Sky glow

• City lights

• Urban haze

What is one simple solution to reduce light pollution?

• Increasing the number of billboards

• Installing more streetlights

• Using shielded fixtures

• Using brighter lights

How can turning off unnecessary lights at night help?

• It increases the visibility of stars.

• It makes the area safer.

• It reduces energy consumption and light pollution.

• It has no significant effect.