Analyzing Data with Graphs (Part 2)

What You'll Learn

Data analysis involves organizing, displaying, and interpreting information to find patterns. Scientists use tables, graphs, and statistics to make sense of experimental results.

Key Words

evidence
model
prototype

Materials Needed

paper clips
rubber bands
string

Safety First

Clean up spills immediately to prevent slipping.
Use materials only as directed in the experiment.
Keep small objects away from young children.

Steps

Step 1 — Read

Study the diagram and label the parts you recognize.

Step 2 — Do

Build a water filter using a bottle, sand, gravel, cotton, and charcoal. Pour muddy water through and measure how clear the output is.

Step 3 — Observe

Use your senses (except taste) to describe what you notice.

Step 4 — Record

Write a summary of your findings in 3-5 sentences.

Check Your Understanding

Question 1

1 of 3

How does light travel?