How to make a solar water heater using containers, paper, ink, scissors, tape, measuring cups and wa

7

. Make a solar water heater

1. Experimental topic: Making a solar water heater

2. heating

Thermometer.

4. Operation steps:

1

Select the materials you need and make three solar water heaters.

2

Put it in water of the same temperature and quality, wrap it in paper of different colors and place it in the sun in different directions.

At the same time, insert the thermometer.

3

After

5

minutes, observe the temperature difference on the thermometer.

8

. Observe the rising air

1. Experiment Title: Observe the Rising Air

2. rising air Air

3. Experimental materials: paper snake, iron support, candle, matches, wire.

4.Operation steps:

1

Use a line to fix the paper snake on the iron bracket, and place a lit candle under the paper snake. .

2

Observe the movement of the paper snake and see what force makes the paper snake turn.

You can produce your own solar energy.

Prepare a large, thin-skinned plastic bucket (it's best to use a flat one, if you can't buy it, you can use a special plastic bag instead

Buy); black paint to paint it black, then turn it over or lay it on the roof, drill a hole in the seam, the size of the hole is the size of a dime

Buy a plastic water; pipe, the thickness should be the same as the hole size, connect it and use a lit plastic rope to seal the hole;

Connect the plastic tube down and place it where you wantitez; want to take a bath.