Our solar system
NASA
Physics
Biology
General
STEM
100

What are the two main gases that make up the sun?

Helium and Hydrogen

100
How many rovers have successfully landed on Mars?

6

100

What is the difference between kinetic and potential energy?

potential energy is stored energy, while kinetic energy is the energy of motion.

100

Why should you NOT look directly at a solar eclipse?

The sky gets dark, while the UV radiation is still intense. The darkness causes you to not squint or look away, and your pupils don't dilate. The UV radiation would burn your retinas :(

100

What does STEM stand for?

Science Technology Engineering Math

200

What planet in our solar system is the most similar to Earth?

Venus - it's often called the "sister planet"

200

What are two things a spacesuit needs?

life support, temperature regulation

200

What is the strongest shape?

triangle

200

What is the body system that is related to the heart?

The cardiovascular system

200

What is the main type of engineers that work on prosthetics and other biomedical devices?

Biomedical engineers

300

What are the names of all the planets in the solar system?

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

300

What does the Canadarm do?

Move, deploy, unload cargo and equipment.

Capture, service, and deploy satellites in orbit.

Assist in the construction and maintenance of the ISS.

300

What is Newton's first law?

An object at rest remains at rest, and an object in motion remains in motion at constant speed and in a straight line unless acted on by an unbalanced force.

300

How many bones and joints are there in your hand? (2 separate numbers for bones and joints)

27 Bones and 20 Joints

300

You have 5 gears in a row, and the first gear is rotating clockwise. Which way is the fifth gear rotating?

clockwise

400

Which planet is known as the "red planet"?m

Mars

400

What does ISS stand for?

International space station

400

What physics ideas or concepts does the newton's cradle demonstrate?

momentum, and kinetic and potential energy

400

What is your body's biggest organ?

skin

400

What is the difference between a total, partial, and annular solar eclipse?

Total: The Moon covers the whole Sun.

Partial: The Moon covers only part of the Sun.

Annular: The Moon passes in front of the Sun but looks too small to cover it, leaving a bright “ring of fire.”

500

What is the shadow from the moon in a solar eclipse called?

the umbra

500

What are the names of the rovers currently active on Mars?

Curiosity and Perseverance

500

Why do you see lightning before you hear thunder?

They happen at almost the same time, but light travels faster than sound.

500

Which animal has fingerprints that look the most similar to humans?

koalas

500

What are inorganic chemicals?

Inorganic chemicals are any chemical materials that do not contain a carbon-hydrogen (C-H) bond