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Transcript of Rocketology
Construction paper, any color, 9 inches (in.) X 12 in. (1 pack)Scotch® tape (1 roll)
Ruler, in inches
Baking soda (1 box)
White vinegar (1/2 gallon bottle or jug)
Measuring spoon, 1/8 teaspoon (tsp.)
Measuring spoon, 1 tsp.
Lab notebook My hypothesis is that when the variables are changed the height will change too. Procedures 1. Start building the body of the rocket. Take a piece of construction paper and wrap it around the film canister. Make sure to wrap along the short side of the paper, about 2 millimeters below the lip of edge of the canister, and make sure that the lid is not enclosed or covered by the tube of paper. Wrap the paper neatly and evenly along the canister and use the scissors to remove the excess paper from the bottom. Secure the paper with a few pieces of Scotch tape.
Now tape several pieces of construction paper together to make a very large piece of construction paper. Make the large piece of construction paper three paper pieces wide and as tall as your wall.
Starting from the bottom of the large paper, use the ruler and permanent marker to mark off every 6 inches. Next to each mark, write down the length, in feet (such as foot, 1 foot, etc.). Tape the paper to the wall, making sure that the bottom of the paper should be even with the bottom of the wall and the ground. You can ask your adult volunteer to the climb the ladder and help tape the paper to the wall.
1.Now prepare the fuel for the rocket. Place 1 tsp. of baking soda in the bowl. Carefully add 1/8 tsp. of water to the baking soda and mix it in. This should wet the baking soda enough so that you can pack it into the depression on the inside of the canister lid. Turn the film canister lid over and pack the inside of the depression. Turn the lid upside-down and make sure that the baking soda doesn't fall out. If the baking soda falls, out then add a little bit more water to the baking soda and mix it in. Try to add only a minimal amount of water to the baking soda in order to make it stick together inside the lid. Record the amount of baking soda that you used in your lab notebook.
Have your volunteer hold the wrapped film canister and add 1 tsp. of vinegar to the wrapped canister at a time, filling it almost to the top. You need to add as much vinegar to the canister as possible without the vinegar and the baking soda coming into contact when you eventually snap the lid onto the canister. This might take a little trial and error, but be patient and keep trying. Keep careful track of and record the amount of vinegar in your lab notebook.
Go over to the area where you have taped your paper to the wall. Have your volunteer hold the baking soda-packed lid in one hand and the wrapped canister in the other. Put on you safety goggles. Stoop down near the bottom of the paper and quickly snap the lid onto the canister. Turn the canister over so the lid is on the ground, and quickly move away. Wait for the chemical reaction to occur (the time depends on the amount of baking soda and vinegar you are using).
When the lid finally pops off, the rocket should overcome gravity and launch. You and your volunteer should watch to see how high it goes and record the launch height in your lab notebook.
Carefully rinse out the lid and canister with water. Make sure that the construction paper doesn't get too wet.
Repeat steps 15 two more times, always recording the launch height in your lab notebook. It is a good idea to perform at least three trials of each experiment so that you know your results are accurate and reproducible.
Decrease the amount of vinegar in the canister by 1 tsp. and repeat steps 15 three times. Record all of the data in your lab notebook.
Once again, reduce the amount of vinegar by 1 more tsp. and repeat steps 15 three times. Always record all of the data in your lab notebook.
Now that you have investigated the effect of the amount of vinegar on launch height, investigate the amount of baking soda required. Reduce the amount of baking soda to tsp. and repeat steps 15 three times, with the original amount of vinegar used for your first vinegar trial. Adjust and use just enough water for the baking soda to stick to the depression in the lid. Record all of your data in your lab notebook.
Repeat steps 15 three times using a tsp. of baking soda, with the original amount of vinegar used for your first vinegar trial. Adjust and use just enough water for the baking soda to stick to the depression in the lid. Record all of your data in your lab notebook. Purpose The purpose of this project is to determine weather the height of the rocket changes as the amounts do. Conculsion I only tested my rocket once and it flew about 5 feet six inches. I only expected it to fly about 4 feet high.