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Activity: Homemade Bottle Rocket Students, you are going to build a launch pad and homemade bottle rocket. Watch this video before constructing launch and bottle rocket. think of the energy needed to propel the rocket into space! Gravity is the force that we must overcome. It’s now time to experiment using the scientific method._________________________________________________________________________________________Ask a QuesitonCan we launch a plastic bottle with a chemical reaction?Gather InformationWatch video:What triggers a chemical reaction? - Kareem Jarrah a Hypothesis (circle one)Yes, we can launch a plastic bottle with a chemical reaction. orNo, we can’t launch a plastic bottle with a chemical reaction.Test the HypothesisSTEP 1 – Build a Launch PadThere are a few ways you can build a launch pad. The key engineering components the kids need to address, no matter what materials they use, is that it needs to be stable and just the right size to hold the rocket (an upside-down 2 litre pop bottle or water bottle) without it slipping through. You can use tinker toys,?craft sticks?or LEGO. Building the launchpad works on both math skills (measurements and fitting a round thing in a square hole), and engineering (stability and strength in the construction are key).Creating A RocketTo do this you will need the following supplies:An empty, rinsed plastic soda bottle or water bottleBaking Soda (aka sodium bicarbonate)VinegarPaper towelA cork (or substitute something like a pool noodle piece, a cork will give more power to your launch!)Your newly constructed launch padA nice big open spacePreparing for LaunchYou will want to do this in a fairly open area. The rocket can hit anywhere from 30 to 50 feet in height. Set your launch pad in a nice big open area, on nice solid ground.Fuel Up The RocketPlace approximately 1 – 2 cups of vinegar in the bottle.Take a piece of paper towel and cut it to about 4 inches square.Place about a tablespoon of baking soda in the center of the paper towel. Fold up the paper towel so the baking soda is wrapped up inside and it fits snugly inside the mouth of the bottle.Insert a wine cork into the mouth of the pop bottle, make sure it is in there tightly.3… 2… 1… BLAST OFF!You need to move quickly for this next part. Flip the bottle over, place it in the launch pad and move back quickly!Share the ResultsDid your bottle rocket launch in the air? Yes or NoIf so, how high did it fly in the air (estimate in feet)?Did bottle size matter in how far your bottle launched in air?Name what you think caused the chemical reaction if any?I want you to send a text to me or an email with a picture of your launch pad and bottle rocket (Mr. Homewood 505 516-9738 derrek.homewood@bie.edu or Mr. Valentine 505 860-1073 shaun.valentine@bie.edu) ................
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