Ch 1
Ch 11
Ch 12
Ch 13
Ch 14
100
The continuing search for new knowledge.
What is pure science?
100
The type of force acting on a kangaroo when it jumps.
What is an unbalanced force?
100
The law that states that for every action force there is an equal and opposite reaction force.
What is Newton's third law?
100
The mechanical advantage of a ramp that is 10 meters long and 2 meters high.
What is 5?
100
The direction that heat travels.
What is from hot to cold?
200
The area of a room that is 4x10^2 cm long and 2x10^3 cm wide.
What is 8x10^5 cm^2
200
The reason water is constantly run down a water slide.
What is reduce sliding friction?
200
The object that will hit the ground first, a 50 kg cannon ball or a 1 kg hamburger, in the absence of air resistance and assuming they are dropped from the same height.
What is they would hit at the same time?
200
The rate at which work is done.
What is Power?
200
900 K on the Celsius scale.
What is 627 C?
300
A measurement that is very close to other measurements; exactness.
What is precise?
300
This happens when a car slows down.
What is negative acceleration?
300
A combination of forward motion and freefall.
What is orbital motion (projectile motion)?
300
A device that does not change the amount of work, but can alter the force applied.
What is a machine?
300
A point where average kinetic energy is nonexistant and all molecular motion stops.
What is absolute zero?
400
15.5 km/hr converted into m/s.
What is 4.3 m/s?
400
The velocity a boat captain is moving when walking at a rate of 4 m/s towards the back of the ship, while the boat is moving 10.5 m/s north.
What is 6.5 m/s north?
400
Two ways to reduce the gravity between two objects.
What is reduce the mass or increase the distance?
400
The mass of an object that is launched at a speed of 5 m/s and has a kinetic energy of 30 Joules.
What is 2.4 kg?
400
The method of heat transfer that does not rely on the movement of matter.
What is radiation?
500
Explain the scientific method.
What is make an observation, ask a question, look up background information, create a hypothesis, run the experiment, analyze the results, draw a conclusion and share the findings?
500
The time it takes a baseball to accelerate from 4.5 m/s to 20 m/s when it is thrown with an average acceleration of 6 m/s^2
What is 2.58 s?
500
The acceleration of 2.2 kg bottle rocket when a force of 600 Newtons is applied to it.
What is 272.73 m/s^2?
500
The efficiency of a machine that uses 150 N to lift a 40 N load 2.5 m.
What is 58.7 %?
500
Plastic, air, and styrofoam.
What are insulators?