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09 science exam pt1

The outer layer of the earth is Crust
The ring of fire is in what ocean Pacific Ocean
The crust is broken into areas know as Plates
The Hawaiian island were formed by a Hot Spot
The SI unit of mass Gram
The SI unit of distance Meter
How many centimeters are in a kilometer 100,000
How many meters are in a kilometer 1,000
Time can be measured in Seconds
Acceleration can be measured in Meters/Second squared
Velocity is a measurement of speed and Direction
Acceleration is a change in Speed
What formula is used to find velocity V = D / t
What formula is used to measure acceleration a = Vf – Vi / tf – ti
Something moving at a constant velocity has No acceleration
When a car increases its velocity it has Positive acceleration
What is the velocity of a vehicle that traveled if it goes 128 km in ½ hour. 256 km/hr
What is the acceleration of a runner who starts from rest and accelerates up to 7.0 m/s in 4.0 seconds. 1.8 m/s^2
What is the average acceleration of a car which is traveling 72 km/hr and accelerates to 128 km/hr in 4 seconds 14 km/hr/s
What is the average acceleration of a person who runs the 100m dash in 8.0 seconds 12.5 m/s2
What is the average velocity of a car which traveled 78 km in 2 hrs What is the average velocity of a car which traveled 78 km in 2 hrs
Who discovered Plate tectonics? Alfred Wegener
If your acceleration is negative what is happening? You are slowing down
What can detect instant velocity? Radar Gun
Created by: sjja8th