40
Lesson 40 of 84 · Engineering and Design
LessonWhat Engineers Do (Part 2)
What You'll Learn
An investigation is a careful study to answer a question. What would you like to investigate?
Key Words
- try again
- observe
Steps
Step 1 — Read
Read and learn: An investigation is a careful study to answer a question. What would you like to investigate?
Step 2 — Do
Follow the steps one at a time.
Step 3 — Observe
Compare what happened to what you predicted.
Step 4 — Record
Tell the class one thing you learned today.
Check Your Understanding
Question 1
1 of 3Why do scientists compare things?