Motion
Force
Friction
Gravity
RANDOM!!!
100
What 2 things do you need to know to calculate speed?
Distance and Time
100
What is a force?
Push or Pull
100
Why does friction occur?
Opposing Forces
Microscopic Hills and Valleys Stick
100
What is Gravity?
Force of Attraction Between Objects
100
What is Harper's nickname?
Donut Queen!!!
200
What is the difference between speed and velocity?
Direction
200
What is the SI unit of force?
Newton (N)
200
What are harmful effects of friction?
Heat
Wearing Out an Object
Slain Injuries
200
What is the SI unit for mass?
KiloGRAM
200
What is Erin's nickname?
TacoLady2345
300
A Kangeroo hops 60 meters to the east in 5 seconds. What is the kangaroo's velocity?
12 Meters Per Second East.
300
What might happen when an object receives unbalanced forces?
It May Move
300
Describe 2 ways friction can be increased.
Rougher Surface
Increase Force
300
What is the force of gravity related to?
Mass
Distance
300
What is Harper's favorite color?
Purple
400
Why is it more helpful to know a tornado's velocity rather than its speed?
Velocity tells direction of the tornado, so people can get out of danger.
400
Describe 3 different ways you can accelerate when riding your bike.
Changed Direction
Slow Down
Speed Up
400
What are helpful effects of friction?
Brakes on a moving thing
Objects stay put
Tread on shoes, tires...
400
Describe 2 differences between weight and mass.
Weight is force of gravity on an object
Mass never changes (amount of matter in an object)
400
What is Erin's favorite color?
Blue (NOT BABY)
500
Emily can skateboard 120 meters in 8 seconds. What is her average speed?
15 Meters Per Second
500
0 Newtons
500
Name 3 ways friction can be reduced.
Smoother Surface
Sliding/Rolling
Lubrication
500
What is the Law of Universal Gravitation?
The greater the mass, the more gravity.
The greater the distance, the less gravity.
500
What is Erin's and Harper's middle name?
Erin: Elizabeth
Harper: May