60
Lesson 60 of 84 · Engineering and Design
ExperimentWhat Engineers Do (Part 3)
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
- question
Materials Needed
- cardboard
- tape
- scissors
- straws
- paper clips
Safety First
- Do not mix unknown chemicals together.
- Tie back long hair before starting the experiment.
Steps
Step 1 — Read
Talk about what you already know about Engineering and Design.
Step 2 — Do
Design a container that keeps an ice cube from melting for as long as possible.
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?