science quiz 4/10

what does the ozone do?

• The ozone layer generates oxygen for breathing.
• The ozone layer is responsible for weather patterns.
• Ozone is a type of greenhouse gas that warms the planet.
• The ozone layer protects life on Earth by absorbing harmful UV radiation.

what molecules make up the the ozone layer?

• Carbon Dioxide (CO2) molecules
• Nitrogen (N2) molecules
• 4 methane molecules

• 3 oxygen atoms

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what is electromagnetism?

• Electromagnetism is the energy stored in the nucleus of an atom that holds protons and neutrons together.

• force caused by electric charges and magnets. It explains how electricity and magnets can create each other and how they affect objects around them.

• Electromagnetism is the force that only affects magnets and has nothing to do with electricity.

• Electromagnetism is the process by which sound waves travel through electrical currents.

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what is space junk?

• human waste in space

• natural debris like asteroids and comets

• Space junk is a term for meteor showers.
• any kind of debree in space

How does electromagnetism protect the earth?

• Electromagnetism holds atoms and matter together

• Electromagnetism generates heat that warms the Earth.
• Electromagnetism attracts meteors towards the Earth.
• Electromagnetism creates a vacuum that prevents air pollution.

What does space junk cause?

• Space junk causes weather changes on earth

• Space junk causes space traffic

• Space junk causes GPS signals to become incorrect

• Space junk causes ight pollution that makes it harder to see stars from Earth

What does GPS stand for?

• Global Positioning Service
• Geographic Positioning System
• Global Positioning Satellite
• Global Positioning System

What can GPS be used for?

• to control weather patterns by tracking cloud movements.

• to store large amounts of data like a hard drive.

• to improve cell phone signal strength in remote areas.

• to locate approximate position on earth

who uses gps?

• pilots

• astronauts

• farmers

• Chefs

why is GPS navigation important to earth scientists?

• it allows them to predict future earthquakes by tracking ground vibrations.

• to measure the temperature of the Earth’s core.

• to locate geographic land

• it helps track the movement of ocean currents.