What Is the Ozone Layer? — Questions and answers
Read the full story
What did Nolan wonder about on the foggy day?
Choices
- Why the Golden Gate Bridge was so foggy.
- Why his dad put sunscreen on when it wasn't sunny. ✓
- Where all the pebbles on the path came from.
- If they would see the sun later that day.
Answer: Why his dad put sunscreen on when it wasn't sunny.
From page 1
What did Nolan's dad say the ozone layer protects us from?
Choices
- Rain and strong winds.
- Birds flying too high.
- Invisible sunlight. ✓
- Cold weather.
Answer: Invisible sunlight.
From page 2
What were Charles Fabry and Henri Buisson doing with their invention?
Choices
- Making new types of glass.
- Mapping the light spectrum. ✓
- Building a powerful telescope.
- Studying how plants grow.
Answer: Mapping the light spectrum.
From page 4
What is ozone made of?
Choices
- Two hydrogen atoms.
- Three oxygen atoms. ✓
- Four nitrogen atoms.
- One carbon atom.
Answer: Three oxygen atoms.
From page 6
What chemicals were discovered to be destroying the ozone layer?
Choices
- CFCs. ✓
- UVAs.
- O2s.
- H2Os.
Answer: CFCs.
From page 7
What did Nolan compare the CFC chemicals to?
Choices
- Big strong walls.
- Tiny little holes poking through the shield. ✓
- Bright shining lights.
- Fast-moving cars.
Answer: Tiny little holes poking through the shield.
From page 8
According to Carl Sagan, what is special about Earth?
Choices
- It is the biggest planet in the solar system.
- It has the most oceans.
- It is the only world known so far to harbor life. ✓
- It is the coldest planet.
Answer: It is the only world known so far to harbor life.
From page 9
What did Nolan say the ozone layer protects us from?
Choices
- Rain and storms.
- The sun's most powerful rays. ✓
- Cold winter winds.
- Falling stars.
Answer: The sun's most powerful rays.
From page 10