Choosing and Preparing Your Rocket Bottle

What Type of Bottle is Best?Unless you have bottles that came with your rocket from AntiGravity, you'll need to select and prepare a bottle from your recycling bin. The very best bottle to use is a 2-liter plastic pop bottle that previously held fizzy pop. This type of bottle is very good at holding the pressure that your rocket will ... Read More

Homemade Rocket Troubleshooting & Maintenance

Homemade Rocket Troubleshooting & MaintenanceRocket loses a fin on impact with the ground: Using your low-temperature hot-melt glue gun, just glue it on again and you're back in business! Rocket releases too early and doesn't fly high enough: Push the cork in much farther! The farther you push the cork in, the higher your rocket will fly! But don't push ... Read More

Building a Homemade Water Rocket Launcher

Supplies You'll Needa plastic cork (to fit into a 2-liter bottle. This is most of your launcher, right here!) 25 feet of 1/4-inch diameter polyethylene or vinyl plastic tubing (available at your local building supplies store!) a roll of ¾ inch wide masking tape (for making the bicycle pump adapter!) Tools You'll Need For Your Water Rocket Launchera philips screwdriver ... Read More

Water Rocket Launcher: Launching Your Homemade Water Rocket

Now that you've completed lesson 1 (building your water rocket) and lesson 2 (building your launcher) it's time to send your rocket into the sky! This is definitely the most exciting part of the project! Supplies You'll Need the water rocket you built (from lesson 1!) the launcher you built (from lesson 2!) one 2L pop bottle and cap (for ... Read More

Water Rocket Experiments You Can Do With Your Homemade Water Rocket

Trying Different Amounts of WaterWhat difference does the amount of water you put in the rocket make? You will need a way of measuring the effect. One way to do this is to use your watch to time the number of seconds that the rocket is in the air. First, try launching your rocket without any water in it. Try ... Read More