Vocabulary
What is the energy of motion?
Kinetic energy
Is it kinetic energy or potential energy when a roller coaster is on top of a hill?
Potential
Which of these two objects would have the most friction? Sandpaper or tile?
Sandpaper
It two people pull a rope to the left and one person pulls to the right, is it balanced or unbalanced and which way will the rope pull?
It is unbalanced and will pull to the left
If a tennis ball hit a bowing ball, which ball would move farther?
The tennis ball because it has less mass.
What is the total amount of force put on an object called?
Net Force
Is a football being thrown kinetic or potential energy?
Kinetic
True or False: Friction allows items to move more quickly.
False, it prevents movement
If two things pull on an object and the object does not move, is it balanced or unbalanced?
Balanced
Why does a bowling ball hitting pins knock them over?
The bowling ball has more force and mass.
This is the word that describes how much matter is in an object.
Mass
A car driving down the highway, is it kinetic or potential?
Kinetic
Would a ball roll farther on the sidewalk or the table?
The table because it has less friction
If two objects pull an object and it moves one way, is it balanced or unbalanced?
Unbalanced
When looking at a newtons cradle, what happens to the energy from the first ball and last ball?
Energy is transferred
This is a force that stops something from moving. Hint: Ice has very little this.
Friction
A bear hibernating, is that kinetic or potential?
Potential
When you rub your hands together, it creates heat, which is caused by ______.
Friction
What is the combined forces on an object called?
Net Force
When two things collide, what happens to the energy?
It is transferred
When two moving objects hit each other, its called what?
Collide or Collision
If you push on a door and it does not move, is that kinetic or potential?
Potential, nothing moved
Which item would be easier to push?
Couch, Dresser, Shopping cart
Shopping cart has less mass and fricion
If one person pulled a rope to the left and one pulled to the right, is it balanced or unbalanced?
Balanced
If a 5oz ball moves a box 2 inches, how far would a box move if the ball was 10oz?
4 inches