STEM Quiz

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

• Chlorophyll
• Photosynthesis
• Respiration
• Transpiration

Which planet is known as the "Red Planet?"

• Saturn
• Mars
• Jupiter
• Venus

What is the hardest natural substance on Earth?

• Wood
• Steel
• Diamond
• Gold

What type of energy is stored in batteries?

• Mechanical energy
• Nuclear energy
• Solar energy
• Chemical energy

What is the name of the force that pulls objects towards the Earth?

• repulsion
• magnetism
• attraction
• gravity

What is the formula for calculating the area of a rectangle?

• Area = length x width
• Area = length + width
• Area = 2 x (length + width)
• Area = length / width

Which gas do plants absorb during photosynthesis and release during respiration?

• hydrogen
• oxygen
• nitrogen
• carbon dioxide

What is the largest organ in the human body?

• liver
• heart
• skin
• intestine

What is the chemical formula for water?

• H2O
• H3O
• O2H
• HO2

What is the process by which liquid water turns into vapor called?

• Sublimation
• Evaporation
• Condensation
• Freezing