Technology and Innovation (Part 4)

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

wavelength
frequency

Materials Needed

string
cups
aluminum foil
ruler
markers
popsicle sticks

Safety First

Do not taste any materials.
Wear safety goggles when mixing liquids.
Wash hands after handling materials.

Steps

Step 1 — 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 — Do

Follow the procedure carefully, step by step.

Step 3 — Observe

Look for patterns in your observations.

Step 4 — Record

Make a graph or chart showing your results.

Check Your Understanding

Question 1

1 of 3

What happens when light hits a mirror?