The Scientific Method (Part 2)

What You'll Learn

The scientific method is a systematic approach to investigating questions. It involves making observations, forming hypotheses, conducting experiments, analyzing data, and drawing conclusions.

Key Words

hypothesis
variable

Materials Needed

cardboard
tape
scissors
straws

Safety First

Handle glass items carefully to avoid breakage.
Do not mix unknown chemicals together.
Tie back long hair before starting the experiment.

Steps

Step 1 — Read

Read about Human Impacts on Earth and write down three key facts.

Step 2 — Do

Design and build a bridge from newspaper and tape that can hold a textbook. Test it and redesign to make it stronger.

Step 3 — Observe

Observe what happens and describe it in detail.

Step 4 — Record

Record your observations in your science journal with measurements and descriptions.

Check Your Understanding

Question 1

1 of 3

What is a scientific model?