18
Lesson 18 of 84 · Human Impacts on Earth
ExperimentTechnology and Innovation
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
- constraint
- criteria
- iteration
Materials Needed
- ruler
- markers
- popsicle sticks
- pennies
Safety First
- Dispose of materials properly after the experiment.
- Handle glass items carefully to avoid breakage.
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 3What happens when light hits a mirror?