Definitions
A push or pull that acts on an object.
Force
An object at rest will remain at rest unless a __________ acts upon it.
Force
What will happen to the speed of a soccer ball that is sitting on a soccer field if a child kicks it?
The speed would increase.
The speed would decrease.
The speed would increase.
True or False? Friction is a force that can stop an object in motion.
True
What is the formula of speed?
Distance/Time
A change in position. Moving from point A to point B.
Motion
Which object would require the most force to move an ant or camel?
A camel.
What will happen to the direction of a baseball if a pitcher throws the ball to the batter and the batter strikes the ball with the bat?
The ball would change direction, back to the field.
The ball would keep going in the same direction the pitcher threw it.
The ball would change direction, back to the field.
True or False? Adding soap to a slip and slide would increase the amount of friction.
False
If a car travels 150 miles in 3 hours, what is the speed of the car?
50 miles per hour
A force that pulls objects down to the ground (falls) or pulls objects around (planets).
Gravity
Which object would require the most force to move a book or paper clip?
A book
What will require more force rolling a bouncy ball or bowling ball?
A bowling ball
Which of the following would cause the greatest amount of friction?
tile
wood
carpet
Carpet
If a swimmer covers a distance of 200 meters in 4 minutes, what is the swimmer's speed in meters per minute?
50 meters per minute
The amount of force in a moving object (affected by weight).
Momentum
Luis set up a maze using dominos. He tapped the first domino and then the rest fell. Was a push or a pull used to make the dominos fall?
A push
Raquel rolls a toy car across a straight line. As the car is moving along the line, her brother rolls a golf ball into the toy car.What will most likely happen to direction of the toy car after it is struck by the golf ball?.
The toy car will continue rolling along the straight line.
The toy car will change directions and no longer move along the straight line.
The toy car will change directions and no longer move along the straight line.
Which of the following would cause the least amount of friction?
grass
ice
dirt
Ice
A dog for 3 seconds. He runs 15 meters. What is the speed of the dog in meters per second?
5 meters per second
How much matter is in an object or how much an object weighs.
Mass/Weight
Gabe is walking his dog on a leash. His dog suddenly sees a squirrel and begins to run. Gabe falls forward. Did a push or a pull cause Gabe to fall forward?
A pull
Francis gets an empty grocery cart at the market. She can quickly push it through the aisles. If Francis pushes the cart with the same force the entire time she is at the market, what will happen to the speed of the cart as she fills it with groceries?
The cart will slow down since it has a greater mass.
Quinn is riding his bike. He starts out riding his bike on the smooth road. Then, he rides his bike on a bumpy dirt trail. Finally, he rides his bike through a field of grass. Which surface would have greatest amount of friction?
Field of grass
A plane flies 1,200 miles in 3 hours. What is the speed of the plane in miles per hour?
400 miles per hour