Ocean Currents and Climate (Part 2)

What You'll Learn

Ocean currents distribute heat around the planet, affecting climate worldwide. Warm currents flow from the equator toward the poles, and cold currents flow from the poles toward the equator.

Key Words

sedimentary
earthquake

Materials Needed

newspaper
spray bottle
cups
thermometer

Safety First

Tie back long hair before starting the experiment.
Protect your work surface with newspaper or plastic.

Steps

Step 1 — Read

Read about Earth Systems and write down three key facts.

Step 2 — Do

Investigate soil layers: fill a jar with soil and water, shake it, and let it settle overnight. Identify the layers of clay, silt, sand, and organic matter.

Step 3 — Observe

Watch carefully for any changes and note the time.

Step 4 — Record

Create a data table to organize your measurements.

Check Your Understanding

Question 1

1 of 3

What causes wind?