5th Grade Test S

1- What is the layer of gases that surrounds the planet and makes conditions on Earth suitable for living things?

• Gravity
• Atmosphere
• Air pressure
• Density

3- Which of the following is NOT a layer of the atmosphere?

• The stratosphere
• The mesosphere
• The troposphere
• The introsphere

4- In your own words, explain how the troposphere is different from all others atmospheric layers (write at least 3):

5- Which of the following is true about the temperature in the Earth's atmosphere?

• In some layers of the atmosphere, it gets warmer as you go further up, and in other layers, it gets colder as you go further up.
• It gets constantly colder as you go further up.
• It gets constantly warmer as you go further up.
• It does not change at all.

6- What are the two most abundant gases in earth's atmosphere?

• Nitrogen & Oxygen
• Carbon Dioxide & Water Vapor
• Oxygen and Ozone
• Hydrogen & Oxygen

8- Which type of resource takes millions of years to form?

• Renewable
• Non-Renewable

9- What does the term Non-Renewable energy sources mean?

• Energy can be used more than once
• Energy that can be replenished
• Energy can be lost once used

10- What does the term Renewable energy source mean?

• Energy that can be replenished
• Energy that can be all used up
• Energy that can be lost

11- Choose three key advantages of Renewable sources:

• Higher Capital Costs.
• Clean, Safe & Efficient.
• Zero Carbon Emissions.
• It’s Impacted by Environmental Conditions.
• A Fuel Supply That Never Runs Out.

12- Choose three key disadvantages of Non-Renewable sources:

• It is cheaper to obtain non-renewable energy.
• Fossil fuels may not be available forever.
• Non-renewable energies lead to high levels of pollution.
• Thousands of unique products come from non-renewables.
• Fossil fuel combustion is dangerous to our health.