What would happen without gravity?

• Humans and other objects will become weightless

• Humans and objects will remain the same

• Humans will die

How many bones are in the human body?

• 300

• 207

• 206

• 340

The concept of gravity was discovered by which famous physicist?

• Stephen Hawking

• Sir Isaac Newton

• Gorge Washington

What is the hardest natural substance on Earth?

• Obsidian rock

• Diamond

• A tree

• Ice

Which is the main gas that makes up the Earth's atmosphere?

• Carbon Dioxide

• H20

• Nitrogen

What is the biggest planet in our solar system?

• Jupiter

• Uranus

• Mars

• Saturn

What is Science?

• The study of the living

• The study of nature

• The study of the law

• The study of space

Push and pull are the forces of to start the things to move.

• True

• False

What is H2O

• Air

• Ice

• Water

How much water covers Earth?

• 67%

• 75%

• 50%

• 71%