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June 21
Summer solstice
The season of autumn is also known as…
Fall
The Eaty experiences the four seasons because it is…
Tilted
What season is the northern hemisphere in when the Earth is titled toward the sun?
Summer
What season is the southern hemisphere in when Earth is tilted toward the sun?
Winter
Tropical line between the equator and the arctic circle?
Tropic of Cancer
Tropical line between the equator and the antarctic circle?
Tropic of Capricorn
When gravity is the only force acting on an object.
Free fall
This depends on the object’s mass and velocity.
Momentum
When the force of air resistance is equal to the downward force of gravity.
Terminal velocity
The tendency of an object to resist any change in its motion.
Inertia
To make an electromagnet you need all of these except?
Magnet
Wire
Nail
Battery
Magnet
These are all non-contact forces except?
electric
gravity
magnetism
friction
Friction
A compass works by point to magnetic
North
True or False: Force is a change in speed. direction, shape, or size
True
In a tug of war team A pulls with a total force of 2500 Newtons to the East. Team B pulls with a net force of 1500 Newtons to the West. Which team will win and in what direction?
Team A to the East
In a tug of war team A pulls with a total force of 2500 Newtons to the East. Team B pulls with a net force of 1500 Newtons to the West. What is the net force acting on the winning team?
1000 Newtons
F=MxA
2nd Law
Inertia
1st Law
Action/Reaction
3rd Law
True or False: Forces that are balanced cancel each other out.
True
Which of the following would change when an unbalanced force acts upon an object at rest?
The object’s motion
How quickly an object accelerates would depend upon what two things?
Force and mass
Which variable did we change in the marble launcher lab?
Launch angle
Which variable did we measure in the marble launcher lab?
Distance
True or False: In Bill Nye the Science Guy “Motion” the kid pulled the tablecloth really slowly so he wouldn’t affect the inertia of the things on the table.
False
Law that deals with equal and opposite forces.
Action/Reaction
A bar that pivots on a fulcrum and applies force to move a load.
Lever
Door knobs are an example of this machine.
Wheel and axle
Also known as a ramp
Inclined plane
A rope or chain wrapped around a system of wheels
Pulley
The head of an axe is one of these simple machines
Wedge
An inclined plane wrapped around a central cylinder
Screw
What amount of force has to be applied to a 6 kg bowling ball to accelerate it to 2 m/s²
12 N
According to Bill Nye, airplanes have smooth shapes to reduce
drag
True or False: There is friction in space
True
Comets burn up when they enter the Earth’s atmosphere because of the force of ___________.
Friction
The quantity that is described by a number
Scalar
A quantity described by both a number and a direction
Vector
Distance (d) divided by (t).
Speed
Speed (s) multiplied by time (t).
Distance
Distance (d) divided by speed (s).
Time
True or False: Speed is a vector
False
True or False: Velocity is a vector
True
What is the speed of a motorcycle that travels 20 meters in 4 seconds
5 m/s
True or False: The force of gravity measured on Earth is 9.8 m/s²
True
What is the force that a 7 kg bowling ball rolled at 2 m/s² down a lane that will hit the pins with?
14 N
A variable which gives direction information included in its value
Vector
Values that give the position relative to an origin
Coordinates
You start at the origin and walk 4 meters east, 7 meters west, and 3 meters east/ Where are you now?
The origin
True or False: A graph is a mathematical diagram showing one variable on the vertical (y) axis and the second variable on the horizontal (x) axis.
True
True or False: The dependent variable in an experiment is changed by the experimenter.
False
True or False: Both speed and velocity are vectors
False
What formula did we use to calculate the speed of the car through the photogates in the lab this week?
d/t
How many data points (times in seconds) did we collect in table 1 of the lab this week?
15
What were the units of measure in the lab this week?
cm/s
How does the speed of the car over the whole ramp compare to its average speed?
Slower then faster
March 21
Spring equinox
September 22
Autumnal equinox
December 22
Winter solstice
Where didd the marble have the most potential energy in the roller coaster lab?
At the top of the hill
Where did the marble have the most kinetic energy in the roller coaster lab?
At the bottom of the hill
Where did the energy come from in the roller coaster lab?
Gravity
The energy of the object has due to its position or its stored energy
Potential
Energy of an object or a particle due to its motion
Kinetic
Energy of an object due to the high position compared to a low one
Gravitational
Energy stored in an object when its compressed or stretched, like a spring or rubber band
Elastic
Energy can be ___________ or changed from one type to another.
Transferred
Energy of the current in a wire.
Electrical
The sum of energy associated with the motion and position of an object
Mechanical
Note 
Flashcard (70)