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Science Quiz - General Science

Explore fundamental concepts in biology, chemistry, and physics with this engaging science quiz.

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Science 10 questions

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1

What is the closest planet to the Sun?

Multiple Choice 1 point
Venus
Mercury Correct Answer
Mars
Earth

Explanation:

Mercury is the closest planet to the Sun, orbiting at an average distance of about 58 million kilometers.

2

Water is made up of hydrogen and oxygen atoms.

True/False 1 point
Correct Answer: True

Explanation:

True! Water (H₂O) consists of two hydrogen atoms bonded to one oxygen atom.

3

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

Multiple Choice 1 point
Respiration
Photosynthesis Correct Answer
Digestion
Fermentation

Explanation:

Photosynthesis is the process where plants use sunlight, water, and carbon dioxide to create glucose and oxygen.

4

The human body has 206 bones.

True/False 1 point
Correct Answer: True

Explanation:

True! An adult human skeleton typically has 206 bones, though babies are born with about 270 that later fuse.

5

What is the chemical symbol for gold?

Multiple Choice 1 point
Go
Gd
Au Correct Answer
Ag

Explanation:

Au is the chemical symbol for gold, derived from the Latin word "aurum".

6

Sound travels faster through air than through water.

True/False 1 point
Correct Answer: False

Explanation:

False! Sound travels about 4 times faster through water than through air because water molecules are closer together.

7

What is the largest organ in the human body?

Multiple Choice 1 point
Heart
Brain
Liver
Skin Correct Answer

Explanation:

The skin is the largest organ, covering about 20 square feet in adults and accounting for about 16% of body weight.

8

What force pulls objects toward the Earth?

Multiple Choice 1 point
Magnetism
Friction
Gravity Correct Answer
Pressure

Explanation:

Gravity is the force that attracts objects with mass toward each other. Earth's gravity pulls us toward its center.

9

The Earth revolves around the Sun once every 365 days.

True/False 1 point
Correct Answer: True

Explanation:

True! Earth completes one full orbit around the Sun in approximately 365.25 days, which is why we have leap years.

10

What state of matter has a definite shape and volume?

Multiple Choice 1 point
Gas
Liquid
Solid Correct Answer
Plasma

Explanation:

Solids have both a definite shape and volume because their particles are tightly packed in a fixed arrangement.