A simple balloon experiment that won't be a bust!

This easy balloon experiment is sure to be a "bang." Keep in mind, the rules of science apply here. Do this experiment wrong, and it's sure to be a "bust."

Here's a simple balloon experiment...

Time - Give yourself a couple weeks to do this one.

Stuff List

You'll need...

1. One Mylar and one rubber balloon (both helium filled)
2. Tape measure
3. Graph paper
4. Coloring pencils or crayons
5. Camera
6. Cardboard for display (order here from Amazon)
7. Glue
8. Paper
9. Computer (optional)

Now you're ready to do your balloon experiment!

Here's your balloon experiment!

Preparation

It's always important to ask questions. In science it's even more important. So...

...let's ask some questions about balloons.

Here are some important questions to get you started. These aren't the most important question, though. We'll ask that one later.

See if you can add to this list for this balloon experiment.

Where do we see balloons? What types of balloons are there? Why do we see some balloons go up and others don't? Do all balloons stay up the same? Why or why not?

Try to answer these as best you can.

Now...

We ask the most important question...

What type stays up in the air the longest?

This is a good question because we can try it out in a room and see what happens. But don't try it yet. We need to answer our question first!

Let's do that now.

What do you think will happen?

Write it down on a piece of paper. Don't change it until you see what the balloons do first.

Now it's time to get your stuff from the list above. Let's move to the next step.


Project

Now comes the fun part...

...let the balloons go! Notice where they float in the room. Measure this with a tape measure, and write the number down on a piece of plain paper. Make sure you know where the balloons start or your balloon experiment will not work.

You'll need to check your balloons every day to see what they do. Make sure to write down any changes you see.

Now you get to play with your camera! Take lots of pictures each day showing what the balloons do.


Paper

Alright...

...let's make the graph!

Color a balloon similar to what you see below. Make sure to color them correctly! Two balloons will mean two graphs-- one for each balloon. Along the left side write numbers showing the beginning height of the balloons. Along the bottom put the number of days. Each time you measure the balloons, color the correct number of boxes. It should look something like this...

Balloon Science Project


It's time to tell what you've noticed. Write a report about what you saw.

You should include...

1. What you guessed about the balloons.
2. What you did with the balloons.
3. What you saw the balloons do.
4. If your guess was correct about the balloons.

Be careful to obey all the school rules for your science fair report. Three or four sentences will do if you weren't given how long it should be.

Presentation

Now you get to make the display!

Put three pieces of cardboard together so it looks like this...

Display



You can also buy displays at many retail stores as well. However you do it, make sure you follow science fair rules!

Now, on a piece of paper neatly write your important question and your guess. If you would like, type it. You might get style points!

Now, just like you did your important question, write (or type) your supply list on a separate piece of paper.

Paste your guess, supply list and report onto your display board along with any pictures you might have taken. Make sure you label each so the judges what is what. Making sure everything looks good is important!

And the balloon experiment is as easy as that!

For ideas about displays, click here.

Try playing with some of the display ideas we have. You don't have to use the exact ones we use. Make them fun! Be creative!

And don't forget to name your project at the top of the display board. Use your important question as the title for the best effect. You may want to purchase stencils to make cutouts of letters. Or you may purchase already made letters at many retail stores.


Click here to see more kindergarten projects!

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