Friday Pop Quiz 2

What is the primary gas found in Earth's atmosphere?

• Oxygen

• Nitrogen

• Carbon dioxide

• Hydrogen

What force keeps the planets in orbit around the sun?

• Centrifugal force

• Gravity

• Electromagnetic force

• Nuclear force

What is the largest planet in our solar system?

• Earth

• Jupiter

• Saturn

• Neptune

Which element is diamond made of?

• Carbon

• Silicon

• Nitrogen

• Oxygen

Which animal is known to have the longest memory span?

• Goldfish

• Whale

• Dolphin

• Crow

In what type of biome would you find the most biodiversity?

• Desert

• Tundra

• Rainforest

• Grassland

What is the boiling point of water at sea level?

• 100°C

• 90°C

• 80°C

• 110°C

Which vitamin is produced by the human body when exposed to sunlight?

• Vitamin A

• Vitamin B

• Vitamin C

• Vitamin D

What part of the plant conducts photosynthesis?

• Root

• Stem

• Leaf

• Flower

What is the hardest natural substance on Earth?

• Diamond

• Quartz

• Ruby

• Gold