Half of the Population Can’t Pass This 🌍 Science Quiz With Flying Colors — Can You Do It?

Let's get started! How long does it take for Earth to orbit the Sun?

• 28 days

• 24 hours

• 365 days

• 7 days

Which of these parts of the Sun is hotter?

• Its atmosphere

• Its surface

Which part of the human brain is responsible for memory, speech, the senses, and emotional response?

• Brainstem

• Cerebellum

• Medulla

• Cerebrum

Which of these is NOT a part of Earth's basic structure?

• Ionosphere

• Core

• Mantle

• Crust

More than 70% of Earth is covered by water and about 30% is covered by land. What does H2O stand for?

• 1 hydrogen atom bonded to 1 oxygen atom

• 2 hydrogen atoms bonded to 1 oxygen atom

• 2 hydrogen atoms bonded to 2 oxygen atoms

• 1 hydrogen atoms bonded to 2 oxygen atoms

What is photosynthesis?

• The way plants make energy from sunlight

• The way sun exposure affects skin tone

• The way plants grow toward a light source

• The imprinting of images on the retina

You're at the halfway point of the quiz! When an animal changes a behavior or habit for better survival in its environment, what is this change called?

• Evolution

• Reproduction

• Speciation

• Adaptation

Which is the largest muscle in your body?

• Your jaw muscle, or masseter

• Your eyelid muscles, or orbicularis oculi

• Your tongue, or hyoglossus

• Your butt muscle, or gluteus maximus

Which part of a man's body creates sperm?

• Penis

• Scrotum

• Bladder

• Testicles

Which term describes the process when materials are broken down by rain, wind, and chemical reactions?

• Erosion

• Abrasion

• Weathering

• Decomposition

After the Big Bang, the universe was full of a bunch of space particles. How did the Earth form?

• A large meteorite began perfectly orbiting the Sun.

• Five asteroids smashed into each other.

• Gravity pulled gases and particles together.

• A piece of the Sun broke off.

When did flowers first appear on Earth?

• Less than 100 million years ago

• 175-200 million years ago

• 500 million years ago

• 125-150 million years ago

And finally, which is larger, a biome or a habitat?

• They are the same thing

• Habitat

• Biome