Vocabulary
Science
Math
Human Biology
Brain Teasers
100

This word means very big.

What is huge?

100

What star gives Earth light and heat?

What is the Sun?

100

What is 6 × 5?

What is 30?

100

How many legs do humans have?

What are two?

100

What has a tail but no body?

What is a coin?


200

If something is very funny, it is this.

What is hilarious?

200

What part of a plant grows underground and absorbs water?


What are roots?

200

What is 20 + 35?

What is 55?

200

What part of your body helps you see?

What are eyes?

200

What has four wheels and flies?

What is a garbage truck?

300

This word means very happy.

What is joyful?

300

What do bees collect from flowers to help make honey?

What is nectar?

300

What is 100 − 47?

What is 53?

300

What organ pumps blood through your body?

What is the heart?

300

What gets bigger the more you blow it up?

What is a balloon?

400

If you are very brave, you are this.

What is courageous?

400

Animals that eat both plants and meat are called this.

What are omnivores?

400

What is 8 × 9?

What is 72?

400

What bones protect your brain?

What is the skull?

400

What has many teeth but cannot bite?

What is a comb?

500

This word means to help someone.

What is assist?

500

What do we call animals that live both on land and in water, like frogs?

What are amphibians?

500

A farmer has 24 apples and puts 6 apples in each basket. How many baskets does he need?

What is 4 baskets?

500

What system helps you breathe in oxygen and breathe out carbon dioxide?

What is the respiratory system?

500

What has legs but does not walk?

What is a table?