Vocabulary
Simple Machines
Force
People and Simple Machines
Random
100
What is a force?
What is a push or pull?
100
What is a ramp?
What is an inclined plane?
100
If Sally and Benjamin are both pushing on each other and neither one is going any where, what force is being applied?
What is equal force?
100
Fill in the blank Carrie uses a wheel chair so the bus she takes has a _____ so she can get into it.
What is an inclined plane?
100
What roll do simple machines play in our lifes?
They make things easier.
200
What is an objects resistance to a change of any kind?
What is inertia?
200
What is something that is used to separate or force apart an object?
What is a wedge?
200
What is the total of all forces pushing on an object called?
What is net force ?
200
Fill in the blank Tom's tree house has a bucket attached to a _____ so he can pull up things that he can't carry up.
What is a pulley?
200
Why does George need gravity to drive his car?
To keep the car on the ground.
300
What is the force that slows down moving objects?
What does friction mean?
300
What is a wheel with a rod in the center that allows easy movement?
What is a wheel and axle?
300
Bill was riding his bike, when a strong gust of wind pushes him in to his mother's flower bed. What was the role wind played in this story?
What is an unbalanced force?
300
Fill in the blank Sam uses his wagon to carry things. He's glad that the wagon has a __________ so he can roll it up his driveway.
What is a wheel and axle?
300
How does moving air make a windmill power plant work?
Moving air moves the windmills, they're for making energy for the power plant.
400
What is momentum?
What is mass X velocity?
400
What is a ramp curved around a central point?
What is a screw?
400
Mia kicks a soccer ball and it doesn't make it to the goal. What force was acting apon the soccer ball to make it stop?
What is friction?
400
Fill in the blank Lorreta's dad is a carpenter. When they climbed the Cape Hatteras light house, he said it reminded him of a _____ because of the spiral stair case.
What is a screw?
400
True or false: smaller objects have a smaller acceleration.
False. Smaller objects are lighter so the go faster.
500
What is acceleration?
What is a measurement of the rate of change in velocity over time?
500
What is a bar that makes it easier to move things and includes a lever arm and a fulcrum or balance point?
What is a lever?
500
What is strength or energy as an attribute of physical action or movement?
What is force?
500
Fill in the blank Borus splits wood for his next-store neighbor. If he didn't have a _____ it would be very hard to split the wood!
What is a wedge?
500
Nancy carries plates to the kitchen table and calls her husband James in for dinner. James has been trying to push a statue out from their garage for three hours, but the statue has not moved at all. Who has done more work?
Nancy has done more work. Remember, work is the use of a force to move an object through a distance. Nancy carried plates to the table but James didn't move the statue at all.
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