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Rainbow Science 7&8

Do Something useful and Falling Up

A solid object with a single force placed on it in a single direction will accelerate in what kind of line? Straight
A solid object that has two forces on it in different (but not opposite) directions will move in what shape? Curved
Objects with many forces on them in many differnt directions move in what type of pattern? Complex patterns
You can get what type of motion using inertia of a moving object and applying a force toward a center point (think orbit) Circular
When forced is placed on fluid, what results? Waves
What does "work" mean in physics? A force applied over a distance. We calculate the amount of work that is done by multiplying the force by the distance over which the force is applied
Instead of us pushing and pulling things with our bare hands we can use what to help us do the job? Machines
What can we use to help us lift a large mass like a 500-pound piano? A lever
What pivots in the middle of the seesaw to make it go up and down? Fulcrum
One of the greatest laws of nature is that all things tend to become what? Less organized over time
What is stored energy called? Potential energy
Which has stored energy? A match that has already been lit or a fresh apple? A fresh apple
Which has stored energy? A ball stored up on a high shelf or a battery in a remote-controled car that's been used over and over again? A ball
Realeased erergy is called? Kinetic energy (energy in motion)
Is a rotted apple Potential energy or Kinetic energy? Kinetic energy -- because it happens on its own -- you can not restore the apple back to the way it was before it rotted
Created by: jabby2us
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