Solar System
Biology
Zoology
Science Riddles
Random Science
100

What is the largest star in the solar system?

The Sun

100

What is the largest bone in the human body?

Femur

100

What is the largest land animal alive today?

The African Elephant. These gigantic creatures can weigh as much as 7 tons!

100

Many have heard it, but nobody has ever seen it. It will not speak back unless spoken to. What is it?

An Echo
100

According to Apollo astronauts, the Moon smells like

Burnt Gunpowder

200

What causes a solar eclipse?

The moon moves between the sun and Earth, casting a shadow on Earth.

200

What kind of blood type is known as the universal donor?

O Negative

200

What kind of animal is an Orca?

Whale

200

What is the center of gravity?

V

200

You may have heard a weird meat 'tastes like chicken.' Which edible insect actually does taste like chicken?

Cicada

Grasshopper

Brown Cockroach

Dung Beetle

Cicada

300

Who was the first person to walk on the Moon?

Neil Armstrong. He landed on July 20, 1969, with Edwin “Buzz” Aldrin.

300

What is the largest organ in the human body?

Skin

300

What are animals called who only eat plants?

Herbivores

300

Which is heavier, a pound of feathers or a pound of bricks?

Same

300

All of the following animals can move very quickly. Which is the fastest?

Cheetah

Black Marlin

Peregrine Falcon

Horsefly

Peregrine Falcon

The peregrine falcon is the fastest animal on this list, clocking flight as high as 389 km/h or 242 mph

400

Would you weigh more or less on Mars?

Less. A person who weighs 200 pounds on Earth would weigh just 76 pounds on Mars.

400

What is the smallest bone in the human body?

The stapes bone, also known as the stirrup bone. It’s located inside your ear.

400

How many limbs does an octopus have?

Eight. These tentacles are divided up between six “arms” and two “legs.”

400

What are ten things you can always count on?

Your Fingers

400

Every person is different, but just how much do you differ, genetically, from other humans?

25%

10%

2%

.1%

.1%

500

What color is the sunset on Mars?

Blue

500

What do white blood cells do?

White blood cells protect you against illness and disease. “Immunity Cells” are another name for these components.

500

How many oceans contain sharks?

All of them. And that’s not all! Some are also found in rivers and freshwater lakes.

500

What period of time weighs the least?

Light Year

500

Scientist have studied public restroom stall use. The toilet used the least may have fewest germs. Which stall is this?

First door on the right

First door on the left

Any middle door

Furthest from the Entrance

First door on the left

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