Kinematics
What quantity describes how fast an object is moving regardless of direction?
Speed
Which law explains why you need to push harder to accelerate a heavier object?
Newton's 2nd law
What is the distance between two consecutive peaks of a wave called?
Wavelength
What is the unit of electric charge?
Coulomb
What is the first step when planning a scientific experiment?
If a car travels at 30 m/s for 10 seconds, how far does it travel?
300 m
What is the formula for gravitational potential energy?
What phenomenon causes waves to bend around obstacles?
Diffraction
In a series circuit, how is current through each component related to the total current?
Equal
What is a variable that is held constant in an experiment called?
Controlled variable
What is the area under a velocity-time graph equal to?
Displacement
In a perfectly elastic collision, what two quantities are conserved?
Momentum and kinetic energy
What law states that the angle of incidence equals the angle of reflection?
Angle of reflection
What are the regions around a magnet where its effects are felt called?
Magnetic field
How do you calculate absolute uncertainty in a measurement?
Half the smallest division
What term describes the motion of an object thrown horizontally and affected only by gravity?
A box rests on a table. Which force balances its weight?
Normal force
What happens to the temperature of a gas when it is compressed rapidly?
Increases
What are each of Kirchoff's laws?
Voltage drops add up to supply.
Total current in = total current out.
How well you test what you are trying to test
When resolving a velocity into components on a plane, what trigonometric functions are used?
Sine and cosine
A 2 kg cart moving at 3 m/s collides with a stationary 1 kg cart. If they stick together, what is their final velocity?
2 m/s
When light enters a denser medium, which way does it bend?
Towards the normal
What makes something ferromagnetic?
The magnetic domains can all be aligned in the same direction
As the measurement increases, the relative uncertainty decreases.