14 years ago reply upvote.
Make marble lancher.
Fill a spray bottle with warm water.
To marble paper start by mixing alum and warm water and wiping the solution over your sheet of paper with a sponge.
Lead your students through engaging activities covering science and math topics such as projectile motion vectors data analysis statistics looking beyond simple theories problem solving real numbers measurement.
The goal was to get the marble into a bucket at a certain distance away.
Add 2 tablespoons of alum and mix well.
Then lower your paper into the starch with the alum treated side down.
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First prep your paper.
Finally gently rinse the paper with water to remove the.
Watch marbles shoot up to 32 inches in the air with the marble genius marble run launcher.
How to make marbled paper.
Diy how to make a catapult that shoot ping pong ball easy tutorial toy weapons by dr origami duration.
You should make one big enough to use an old spring from an airsoft gun i would use two and one verry good place to get springs is your local hobby shop under rc car parts.
Marble launcher demonstration for physical science and physics is a durable apparatus to study velocity acceleration and projectile motion.
Next pour liquid starch into a tray and add drops of paint to the starch to create your design.
Put a marble in the end of the barrel and the marble launcher is ready to launch.
Let the mixture cool and spray a thin layer onto your cotton paper.
Next prepare the water.
I used airsoft bb s because i made my gun from straws.
A tape measure laid along the floor provides a good range reference.
Dr origami recommended for you.
The marble launcher will bring excitement into your classroom and inspire your students with true hands on investigations.
14 years ago.
Lay flat to dry.
Make 2 holes in the middle of the cloth all holes are shown where to cut them on the picture the holes are repreasented by gray dots.
So before we did the bucket test we performed many test runs at the different velocities.
Make sure to mark the side that you sprayed because it can be hard to tell once it s dried.
Make 2 holes in the corners but dont make them to close so it rips when you put the rubber bands on.