I tried this and it didn't work. Tried AAA battery (which I tested to ensure it had full charge). Tried AA battery. Tried various numbers of earth magnets. Tried two kinds of copper wire from hardware store. Not sure why it isn't working. Anyone know?
How Far Will a Magnet Jump? Have the magnets start at the same place, then have children use a magnetic wand to "jump" the objects and mark on the tape how far the object jumped. Experiment with different objects to compare and contrast.
32 Mesmerising GIFs That Will Make You Fall In Love With Science
How does the height of a ramp affect the distance a toy car will travel? Simple science fair project. Great for 4th grade. Or good to teach potential energy or simple machines. Measure the height of the ramp in cm, launch the car, measure how far the car travels in cm. Increase the height of the ramp and try again. Repeat. Another idea for a different project: how does the weight of a toy car affect the distance it travels (keep ramp height same, tape different #s of pennies to top of toy…