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Motion
More Motion
Earth's Movements
Acceleration
More Acceleration
100
Define motion.
What is when an object's distance from another object is changing.
100
The speed of an object can be determined by ...
What is knowing the distance an object has traveled in a certain unit of time.
100
The "pieces" of the Earths upper layer are refered to as ...
What is plates.
100
Speed is when the rate of __________ changes.
What is velocity.
100
Changing direction is an example of speed. (True or False)
What is false...it is an example of acceleration.
200
Name three different types of units.
What is liters, meters, and grams.
200
Plate tectonics says the Earth's plates move quickly over time. (True or Flase)
What is false, They move slowly.
200
There are 3 different types of acceleration, they are...
What is increasing speed, decreasing speed and changing direction.
300
SI stands for...
What is the International System of Units.
300
Give 2 reasons why you don't notice the land moving beneath you.
What is because the movement is very slow and you do not change position relavtive to the reference point. (which is the plate.)
300
If a car has an acceleration 15 kilometers per hour, the speed would be expressed as...
What is 15 km/h.
300
An acceleration graph that has a straight/flat line indicates...
What is a constant speed.
400
What is required to determine velocity?
What is speed and distance.
400
A runner travels 15 kilometers in 3 hours, his average speed is...
What is 3 km/h.
400
What units would you use if you were studying the movement of the Earth's plates?
What is either cm/yr or mm/yr as the plates move extremely slowly!
400
The Earth accelerates around the sun because is to continuously changing...
What is direction.
400
In an acceleration graph, a line that is a 90 degree from the origin is an ________ is speed.
What is increase.
500
When graphing motion, the steepness of the slope depends on...
What is how fast or slow an object is moving.
500
If you use the Earth as reference point, a satalite orbiting the Earth would be considered...
What is in motion.
500
If a boat is traveling east on a lake at 12 m/s slows to a stop in 1 minute, it's acceleration is ..
What is 0.2 m/s2
500
The X axis and Y axis are labeled with names such as speed and time. These names are called...
What is variables.