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09 science exam pt1
| Question | Answer |
|---|---|
| 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 |