40

Lesson 40 of 84 ยท Waves

Experiment

Technology and Innovation (Part 2)

What You'll Learn

Technology is the application of scientific knowledge to solve practical problems. From simple tools to complex computers, technology shapes how humans interact with the world.

Key Words

  • criteria
  • test

Materials Needed

  • ruler
  • markers
  • popsicle sticks

Safety First

  • Adult supervision recommended.

Steps

Step 1 โ€” Read

Read and learn: Technology is the application of scientific knowledge to solve practical problems. From simple tools to complex computers, technology shapes how humans interact with the world.

Step 2 โ€” Do

Follow the procedure carefully, step by step.

Step 3 โ€” Observe

Look for patterns in your observations.

Step 4 โ€” Record

Make a graph or chart showing your results.

Check Your Understanding

Question 1

1 of 3

What happens when light hits a mirror?

Technology and Innovation (Part 2) โ€” Waves | 4th Grade Science | LittleActivity | LittleActivity