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Bag on a Tree
What you need:
Plastic bag
Twist tie or something to close the bag with
What you do:
Go outside and choose a tree for your experiment. Place the bag over a limb
with leaves on it, and close the bag using the twist tie. Leave it alone and
check on it the next day. What do you see? What is forming inside the bag?
Why? Continue this for the next couple of days and make observations. You
need to make sure that you chose a couple of days that are not real hot.
Hint: condensation, water droplets
How Hot Is It?
What you need:
Hot sunny day
Dark colored piece of construction paper
Light colored piece of construction paper
Thermometer
What you do:
Go outside and place the pieces of construction paper on the ground.
Take the temperature of the pieces of paper and record. Leave them and
check the temperatures of the pieces of paper every hour and record the
temperatures. Did the tempera-
tures change? Why do you think
this happens?
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