Grade

What is the chemical formula for water?

Tags

NGSS.MS-PS1-1

Which planet is known as the Red Planet?

• Earth

• Mars

• Jupiter

• Venus

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

• Photosynthesis

• Respiration

• Transpiration

• Digestion

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the force that pulls objects toward the center of the Earth?

• Magnetism

• Friction

• Gravity

• Electricity

Tags

NGSS.MS-PS2-4

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

• Oxygen

• Carbon Dioxide

• Nitrogen

• Hydrogen

What is the boiling point of water at sea level?

• 100°C

• 0°C

• 50°C

• 200°C

What is the hardest natural substance on Earth?

• Gold

• Iron

• Diamond

• Silver

What is the main gas found in the air we breathe?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Helium

What is the center of an atom called?

• Electron

• Proton

• Neutron

• Nucleus

What is the largest organ in the human body?

• Heart

• Skin

• Liver

• Brain