DISCUSS:
How do roller coaster cars move if they don’t have an engine? (Where do they get their energy from?)
Teachers: If you are short on time, this is a good stopping point. We recommend leaving your students' tracks set up so they can get right to experimenting at the start of the next session.
If you’re continuing right now, advance to the next slide.
Teachers: If you are short on time, this is a good stopping point. The next experiment will require your students to get additional marbles.
If you’re continuing right now, advance to the next slide.
Below are ideas for extending this topic beyond the Exploration & Activity which you just completed.
An Italian restaurant owner had an idea. He wanted to build amusement park rides that were powered by the people riding them. Forty years later, his restaurant is famous for his homemade people-powered rides. To ride these rides, people have to put energy in by pedaling or pushing or climbing.
Take a quick tour and find out what it’s like to provide the energy for a ferris wheel ride in this short video.
Check out this short video from PBS Kids. Chris Gray decided he wanted to be a roller coaster designer when he was just 8 years old. Today, he has the job he dreamed of as a boy.
In the Bumper Coaster experiments, a moving marble gave energy to the target marble and made it move. Your class can continue to explore what happens when marbles collide with a game of Ring Taw. To win this game, students have to figure out what will happen when one marble bumps another. You'll find instructions on how to play, a list of what you need, and a worksheet for students right here. Show your students how to shoot marbles with this video demonstration.
For more experiments with colliding marbles, check out this lesson from master teacher Melissa Romano. (For this lesson, students need to know the concept of mass.)
All you need is paper, tape, a ruler, and some boxes or books to make a hill at one end.
Watch this video to see how to build a bumper coaster track and see it in action.We didn’t make an alligator for the end of our bumper coaster, but we encourage you to make one for yours!
Watch this video if you’ve lost your marbles. (You can make mock marbles out of aluminum foil.)
Grade 4
Energy, Energy Transfer, & Electricity
Gravitational Energy, Speed, & Collisions
4-PS3-1, 4-PS3-3
Alligator printout | Print 8 copies |
Bumper Coaster Part I Answer Key teacher-only resource | 1 copy |
Bumper Coaster Part I Tracks printout | Print 8 copies |
Collision Experiments worksheet | 15 copies |
Distance & Height Experiments worksheet | 30 copies |
Box
Any box measuring 20 cm (or 8”) high will work. The most important thing is to have enough space for the track and the students to work.
A stack of books will also work. You can even use empty space on the wall to attach the roller coaster, as long as the track sits at 20 cm (8” high).
|
Details
8 boxes
|
Pencil
|
16 pencils |
Rulers
|
8 rulers |
Scissors
|
8 pairs |
File Folder Labels (Stickers)
Tape also works. We prefer stickers because they are easier to distribute in a classroom.
|
Details
16 stickers
|
Paper Clips
|
104 clips |
Small Marbles
|
32 marbles |
NOTE: If you want to make Bumper Coasters with foam tubing, you can view the previous version of this lesson.
This activity works best when students work in groups of 4. Homeschool students can work on their own, but will need to build all four pieces of their roller coaster track.
Each roller coaster extends about 1.2 meters (a little over 4 feet) from the box, stack of books, wall, or other surface that it’s attached to. Each group of students will need this amount of space to work through the activity. If you don’t have enough floor space, a few student desks pushed together with a stack of books on top should work.
Cut enough stickers so that you have two for each group of students that will build a roller coaster. The stickers need to be no wider than 2 centimeters so that they can fit and adhere to the roller coaster track.
If you will be teaching Bumper Coasters Part II (Lesson 3), then you must save the tracks and the alligator that each group makes in this lesson. Each set can be stored as pictured below and measures about 82 cm x 8 cm (32” x 3”). We show you how to deconstruct your bumper coaster in this step.
This entire lesson with the activity will take about an hour or slightly more. There are two natural stopping points during the activity — the first one when students finish building their roller coaster tracks and a second one after they complete their first set of experiments. If you are pressed for time or have a short class period, we recommend splitting this lesson into shorter sessions that might work better for you.
Experimenting with marbles is fun, but it can also be distracting! We recommend waiting to distribute the marbles and worksheets until after students have built all of their roller coaster tracks.
Grade 4
Energy, Energy Transfer, & Electricity
Gravitational Energy, Speed, & Collisions
4-PS3-1, 4-PS3-3
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