Testing and Improving Prototypes (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

wavelength
hypothesis

Steps

Step 1 — Read

Look at the vocabulary words and write a definition for each in your own words.

Step 2 — Do

Design an experiment to test a hypothesis. Identify your independent variable, dependent variable, and controls. Run the experiment and present results.

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 hypothesis?