Science
Technology
Engineering
Math
STEM Challenge
100

What do plants need from the Sun to help them make food?

Light

100

What device can you use to type words into a computer?

Keyboard

100

Engineers design and build things to solve what?

Problems

100

How many sides does a triangle have?

3

100

Which would make a paper airplane fly farther; throwing it gently or throwing it with more force?

More force

200

What are three states of matter?

Solid, Liquid, and Gas

200

What does a computer use to show pictures and information?

Monitor/Screen

200

What is a structure that helps people cross over water or roads?

A bridge

200

What is 8x4?

32

200

What material would make a good bridge: tissue paper or craft sticks?

Craft sticks

300

What force pulls objects toward Earth?

Gravity

300

What is a step-by-step set of instructions for solving a problem called?

Algorithm

300

If a tower keeps falling over, what could an engineer change?

Its base, materials, or design

300

What is half of 24?

12

300

Why might a wider base make a tower more stable?

It gives the tower more support

400

What happens to water when it gets very cold?

It freezes into ice

400

What should you do before clicking an unfamiliar link?

Check that it is safe/trusted

400

Why do engineers test their designs?

To see what works and what needs improvement

400

If you have 3 groups of 15, how many do you have altogether?

45

400

You have 10 straws and 10 pieces of tape. What could you build to test an engineering idea?

Answers will vary!

500

What is the process called when liquid water changes into water vapor?

Evaporation

500

What is a mistake or problem in computer code called?

A bug

500

What is it called when you improve a design after testing it?

Redesigning

500

A rectangle is 8 units long and 4 units wide. What is its area?

32 square units

500

Your bridge holds 10 blocks but collapses with 11. What should you do next?

Redesign and test it again