The name of the force that pulls any two objects toward each other
QUESTION
What is: gravity
ANSWER
• Astronauts weigh less on the moon than on Earth because the Moon has this
QUESTION
What is: LESS GRAVITY than Earth
ANSWER
• This is the name of the force that slows moving objects down
QUESTION
• What is: friction
ANSWER
• The child who has the most potential energy is the one who is sitting here on the slide
QUESTION
• What is: sitting at THE TOP of the slide
ANSWER
When a person starts to move, potential energy changes to this
QUESTION
What is: Kinetic energy
ANSWER
• A battery-powered car uses this type of energy
QUESTION
• What is: Chemical energy
ANSWER
When you carry the laundry downstairs (you DO carry the laundry downstairs, DON’T YOU???). Anyways, when you carry the laundry downstairs, you are do this
QUESTION
• What is: WORK!
ANSWER
• A nail is an example of this type of simple machine
QUESTION
• What is: a wedge
ANSWER
You would use this type of simple machine to move a heavy box up a ramp
QUESTION
• What is: an Inclined Plane
ANSWER
• A compound machine is a machine that contains more than one of this
QUESTION
• What is: more than one SIMPLE MACHINE
ANSWER
• This is a force that occurs when two objects rub against each other
QUESTION
• What is: FRICTION
ANSWER
• Just after you kick a soccer ball, it has this type of energy
QUESTION
• What is: KINETIC ENERGY!
ANSWER
• Astronauts weigh less on the moon that on Earth because of this
QUESTION
• What is: GRAVITY! The moon has less gravity than Earth.
ANSWER
• Your weight is a measure of this force
QUESTION
• What is: GRAVITY
ANSWER
• This force makes a moving object keep moving or a resting object stay still
QUESTION
• What is: INTERTIA
ANSWER
• The brakes on your heelys (spelling?) work because of this force
QUESTION
• What is: FRICTION
ANSWER
• You do HEEP BIG WORK when you carry this to school!
QUESTION
What is: YOUR BOOK BAG!
ANSWER
• To a scientist, energy means the ability to do this
QUESTION
What is: WORK!!
ANSWER
• The energy of an object in motion is called this
QUESTION
What is: KINETIC ENERGY
ANSWERThis simple machine uses a
wheel
QUESTION
• What is: a pulley
ANSWER
A wind-up toy can move because of this type of energy
QUESTION
• What is: Mechanical Energy
ANSWER
Mrs. Beckley is carrying Allysa in a baby backpack (Allysa insists!). Allysa weighs 50 kg. Mrs. Beckley would be doing MORE work if this part about Allysa changed (and we don’t mean her diaper)
QUESTION
• What is: IF ALLYSA’S WEIGHT CHANGED…..say her weight changed to 560 kg.
ANSWER
• A complex machine is one that uses both of these
QUESTION
• What is: MANY SIMPLE AND COMPOUND MACHINES
ANSWER
• A bicycle that moves when you pedal it can move because of this type of energy