How to build a hinged hoophouse for a raised bed garden duration.
How to make greenhouse effect model. Read and record the time and temperature. Fill two glasses with cold water fill two glasses of equal size each with 2 cups of cold water. Create 2 columns in the notebook. Use graph paper to draw your model to scale.
They got very worked up by the questions raised in the book. Sunlight heats up earth s surface and subsequently the energy is reflected back to space in the form of infrared radiation. The best way to understand how a greenhouse works is to make a small and simple one. It happens because of higher concentration of carbon dioxide water vapour methane and other gases.
We have to do something exclaimed my almost 10 year old while pacing the living room. A green house is a body which allows the short wavelength solar radiation to come in but does not allow the infrared radiation to escape out. For example if your greenhouse will be 10 feet by 12 feet your model needs to be 10 inches by 12 inches or 20 inches by 24 inches or 5 feet by 6 feet. Put one thermometer in the jar.
Put five ice cubes in each glass then wrap one in a plastic bag and seal it tightly. The gardening channel with james prigioni recommended for you. For every foot of greenhouse space choose a scale measurement for your model that equals one foot. How to demonstrate the greenhouse effect creating a demonstration with sunlight place the thermometers in direct sunlight.
My kids first got interested in the greenhouse effect after reading polar bear why is your world melting by robert wells. Greenhouse effect is the process of heating of the surface of earth till the troposphere.