Jeopardy A?B?C?D?E? $100 $200 $300 $400 $500 ANSWER This is what you use when a friend serves you a...
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Transcript of Jeopardy A?B?C?D?E? $100 $200 $300 $400 $500 ANSWER This is what you use when a friend serves you a...
Jeopardy
A? B? C? D? E?
$100 $100 $100 $100 $100
$200 $200 $200 $200 $200
$300 $300 $300 $300 $300
$400 $400 $400 $400 $400
$500 $500 $500 $500 $500
ANSWER
This is what you use when a friend serves you a volleyball and you hit it back.
QUESTION
What is: A force to make the ball change directions.
ANSWER
TRUE OR FALSE: A force causes an object to move, stop moving, and chance its direction of movement.
QUESTION
What is: TRUE, TRUE, TRUE! A force will make an object move, stop moving, and change its direction of movement.
ANSWER
• This is the force that pulls any two objects toward each other.
QUESTION
What is: GRAVITY
ANSWER
• This is what you do to tell that on object is moving.
QUESTION
• What is: compare it to other objects.
ANSWER
• TRUE or FALSE: Astronauts weigh less on the moon than on Earth because the moon has less gravity than Earth.
QUESTION
• What is: TRUE - the moon has less gravity than Earth.
ANSWER
This is the force that slows down moving objects.
QUESTION
What is: FRICTION
ANSWER
• TRUE OR FALSE: Gravel is the best surface to use when you want to have a rollerskate race.
QUESTION
• What is: FALSE, FALSE, FALSE. The best surface to have a rollerskate race on is blacktop.
ANSWER
This is the energy an object has because it is in motion.
QUESTION
• What is: Kinetic Energy
ANSWER
• A child sitting at the top of the slide has this kind of energy.
QUESTION
• What is: Potential Energy
ANSWER
TRUE or FALSE: A battery-powered car uses chemical energy.
QUESTION
• What is: TRUE, TRUE, TRUE!!
ANSWER
• This is the type of energy that a person uses when pedaling a bicycle.
QUESTION
• What is: Mechanical Energy
ANSWER
• These are the forms of energy that are produced when a candle is burned.
QUESTION
• What is: heat and light energy.
ANSWER
• A student rubs a stick across the teeth of a comb. The mechanical energy is being changed into this form of energy.
QUESTION
• What is: sound energy
ANSWER
• TRUE OR FALSE: When a battery is used to light a bulb, chemical energy is changed into electrical energy.
QUESTION
• What is: TRUE, TRUE, TRUE!!
ANSWER
• This is the form of energy that is stored by the batteries inside a flashlight.
QUESTION
• What is: Chemical Energy
ANSWER
• TRUE or FALSE: Having red paint on a wagon help to best reduce the force needed to move the wagon.
QUESTION
• What is: FALSE, having wheels on a wagon will best reduce the amount of force needed to move a wagon, not the color of the wagon.
ANSWER
• There are three balls with different weights and are rolled down an incline one at a time. They each strike a wooden block at the bottom of the inclined plane. The ball with the ________ weight will move the block the greatest distance.
QUESTION
• What is: greatest. The ball with the greatest weight will move the wooden block the farthest from the inclined plane.
ANSWER
• When sandpaper is rubbed over wood, both surfaces become warm. This is a result of
QUESTION
What is: FRICTION
ANSWER
• TRUE or FALSE: If there were no air friction, a thrown ball will still fall to the ground.
QUESTION
What is: TRUE. Even without friction, gravity is still acting on the thrown ball.
ANSWER
• TRUE OR FALSE: You are doing work when you watch TV.
QUESTION
What is: FALSE, but you are doing work when you carry laundry downstairs.
ANSWERThis is why it will take more
force to push a sled over a rocky road then over ice.
QUESTION
• What is: Because of FRICTION
ANSWER
This is why it will take more force to pull two friend in a sled than an empty sled.
QUESTION
• What is: because there is an increase in mass in the sled (weight of friends).
ANSWER
These are the two forces that act on a thrown ball to make it slow down and make it fall to Earth.
QUESTION
• What is: GRAVITY and FRICTION
ANSWER
• This is what happens to the potential and kinetic energy of a leaf as it falls from a branch to the ground.
QUESTION
• What is: The potential energy decreases and the kinetic energy increases.
ANSWER
TRUE or FALSE: Two children are lifting boxes that differ in weight. The child that does more work is the one that lifts the box with the greatest weight.
What is: TRUE