convection lab ppt

Convection LabEQ: Explain how energy from the sun causes clouds and sea breezes

Standard: HCPS III 8.8.6 Forces that Shape the Earth Explain the relationship between density and convection currents in the ocean and atmosphere

What is convection?Convection: The movement of heat through the air.

Background Information

WarmCool

Background Information

WarmCool

LH

Purpose of ExperimentWhat is the movement of air when there are two different temperatures?

Materials

1.Plastic Bin2.Metal Lid3.Incense4.Ice Pack5.Candle6.Tubing with Funnel

Procedure1. Position the Candle in the

plastic bin so it’s under the big hole of the metal lid.

2. Connect tubing to smaller hole.3. Place ice pack next to the

smaller hole.4. Light the candle.5. Place incense on foil and light

it.6. Put funnel over incense to send

smoke into the bin.

HypothesisIf.. (independent variable)

Then.. (dependent variable)

Because.. (support with background info)

Discussion1. In the evening, right after the sunsets, which direction will

convection send the air? Explain.

2. How does convection lead to the formation of clouds?