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What is the primary source of energy for the Earth's climate system?

• The Sun

• The Moon

• Geothermal energy

• Nuclear energy

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

Which of the following is a renewable energy source?

• Coal

• Natural Gas

• Wind

• Nuclear

What is the chemical formula for water?

Tags

NGSS.MS-PS1-1

Which gas is most responsible for the greenhouse effect on Earth?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Hydrogen

Tags

NGSS.MS-ESS3-5

What is the process by which plants make their own food using sunlight?

• Respiration

• Photosynthesis

• Digestion

• Transpiration

Tags

NGSS.MS-LS1-6

Which of the following is an example of a chemical change?

• Melting ice

• Boiling water

• Burning wood

• Breaking glass

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the acceleration due to gravity on Earth?

Which element is the most abundant in the Earth's crust?

• Oxygen

• Silicon

• Aluminum

• Iron

Tags

NGSS.MS-PS1-1

What is the pH level of pure water?

• 0

• 7

• 14

• 5

Which of the following is a non-renewable resource?

• Solar energy

• Wind energy

• Coal

• Hydroelectric energy