Kids' Science - Gravity For Beginners

Here's a science activity for kids that offers basicseconds without touching the ceiling. The items might
exposure to density and the law of gravity. It alsoinclude marbles, buttons, bottle caps and Q-Tips. Put
gives your child an opportunity to engage in the trialthese items in a bowl for selection. Keep a pair of
and error method of problem solving. It's very simplescissors handy--as your child fine tunes the density it
and lots of fun.may become necessary to cut a Q-Tip in half.
You'll be making a miniature version of hot air balloons.Consider the following variation: put all the items in a
Each balloon should take about one minute to make.line for selection. Take turns selecting one item until
Your child will love helping to put the hot air balloonseach person has ten. Place items into balloon baskets
together.and launch the balloons. The objective is to have your
Here's what to do:balloon float slowest to the ceiling. In order to improve
Pick up helium balloons from your community partyresults, each person may exchange one of their items
supply store. You'll need one balloon for eachfor a new item. Re-launch the balloons. Continue the
participant.process of exchanging one item after each launch.
For the basket part of the hot air balloon, use a paperKeep experimenting until one player causes a balloon
cup or 12" x 12" felt square. If you use a paper cup,to hover for ten seconds.
tape three pieces of string to the top of the cup, andThere are many other variations to this science
then tie the string to the base of the balloon. If you useactivity that you can pursue on your own (--for
a felt square, tie each of the four corners and attachexample, log the difference in items used from one
those to the base of the balloon. (If you want to go aday to the next as the balloons lose helium).
step further, for a more realistic looking basket cut offRegardless of how you go about it, this activity will
the bottom four inches of an empty bag of specialtygive your child an opportunity to engage in trial and
coffee and rinse it out-the material is perfectly suitederror problem solving while gaining basic exposure to
for this activity.)density and the law of gravity. You may also find it
Your living room is the perfect location to get started.surprisingly adept at bringing out the fidget and tinker
The objective: fill the basket with just enoughnature of parents. Have fun!
household items to cause the balloon to hover for ten