Space Explorers!
The Human Body
Coding and Technology
Animal Kingdom
Earth Rocks!
100

This spiral galaxy contains our Solar System and is named after a milky white band of light seen in the night sky.

What is the Milky Way?

100

Humans have over 200 of these structural features in our bodies.

What are bones?

100

This small handheld device allows you to move the cursor and click on items on a computer screen.

What is a Mouse?

100

This large cat is the fastest land animal, capable of speeds up to 70 mph.

What is a Cheetah?

100

This is the name for molten (melted) rock while it is still underground.

What is Magma?

200

Even though Mercury is closer to the Sun, this planet is the hottest in our solar system because its thick atmosphere traps heat like a greenhouse.

What is Venus?

200

These cells in your blood are the defenders of your body, fighting off viruses and bacteria to keep you from getting sick.

What are White Blood Cells?

200

This is the language computers "speak," made up entirely of 0s and 1s.

What is Binary Code?

200

This word describes any animal that has a backbone or spine.

What is a Vertebrate?

200

This is the hard, outermost layer of the Earth that we live on.

What is the Crust?

300

In 1969, this American astronaut became the first human to ever walk on the surface of the moon.

Who is Neil Armstrong?

300

The longest and strongest bone in the human body is located in your thigh and is known by this scientific name.

What is the Femur?

300

In a website address, the letters "WWW" stand for this.

What is the World Wide Web?

300

This is the process a caterpillar goes through to become a butterfly.

What is Metamorphosis?

300

Millions of years ago, all of Earth's continents were joined together in this supercontinent.

What is Pangaea?

400

Often described as a "dirty snowball," this celestial object is made of ice and dust and develops a long tail when it gets close to the Sun.

What is a Comet?

400

This strong, flexible cord of tissue attaches your muscles to your bones, allowing you to move your limbs.

What is a Tendon?

400

Abbreviated as the CPU, this part is considered the "brain" of the computer.

What is the Central Processing Unit?

400

This term describes an animal that eats both plants and meat.

What is an Omnivore?

400

This is the scale scientists use to measure the magnitude (strength) of an earthquake.

What is the Richter Scale?

500

This unit of length is used by astronomers to measure the massive distances in space; it represents how far light can travel in one Earth year.

What is a Light Year?

500

These two bean-shaped organs filter your blood to remove waste and extra water, which leaves your body as urine.

What are the Kidneys?

500

This is another concise form for representing data, and uses 16 digits.

What is hexadecimal?

500

Meaning "double life," this class of animals (like frogs) lives part of its life in water and part on land.

What are Amphibians?

500

This type of rock is formed when lava or magma cools and hardens.

What is Igneous Rock?