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What is the chemical formula for water?

Tags

NGSS.MS-PS1-1

Which of the following is a renewable energy source?

• Coal

• Natural Gas

• Solar Energy

• Nuclear Energy

What is the acceleration due to gravity on Earth?

• 9.8 m/s^2

• 8.9 m/s^2

• 10.5 m/s^2

• 7.8 m/s^2

Tags

NGSS.MS-PS2-2

Which organelle is known as the powerhouse of the cell?

• Nucleus

• Mitochondria

• Ribosome

• Endoplasmic Reticulum

Tags

NGSS.MS-LS1-2

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

• Respiration

• Photosynthesis

• Digestion

• Transpiration

Tags

NGSS.MS-LS1-6

Which element has the atomic number 6?

• Oxygen

• Nitrogen

• Carbon

• Helium

What is the boiling point of water at sea level?

• 100°C

• 90°C

• 110°C

• 120°C

Which gas is most abundant in the Earth's atmosphere?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Hydrogen

What is the main gas responsible for the greenhouse effect?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Hydrogen

Tags

NGSS.MS-ESS3-5

What is the pH level of pure water?

• 7

• 5

• 9

• 3