Ch. 1 Motion
You are in a car rolling to the end of your driveway. Compared to which reference point is the car in motion? The seatbelt. The seat in the car. Your mailbox outside. The person driving.
Your Mailbox outside
What are the three ways something can have acceleration?
Speeding up, Slowing down, Changing directions.
Which of Newton's Laws states for every action there is an equal and opposite reaction?
Sliding
The ability to do work is called ____________. This is measured in joules.
Energy
A larger wheel attached to a smaller axle allowing for transfer of force and movement is called a____
Wheel and Axle
The thin, solid outermost layer of Earth consisting of the continental and oceanic pieces.
Crust
There is a ball on a string swinging in a circle at a constant speed. Does the ball have acceleration?
Yes, changing direction
Distance divided by time is how you find what?
Speed
Newton's First Law
Static
The energy of an object in motion is known as _____ energy.
Kinetic
A double inclined plane that is used to split, cut or lift objects when force is applied to it is called a ___
Wedge
The semi-solid layer of Earth between the crust and the outer core, responsible for convection currents and plate movement.
Mantle
3 km/h north is an example of speed or velocity?
Velocity
Give me an example of units used for acceleration.
m/s^2 mph^2
Force=Mass x Acceleration is which of Newton's Laws?
Newton's Second Law
If a net force acting on an object is 0, is it balanced or unbalanced?
Balanced
The energy of an object depending on its location from Earth is called _________ energy. (Think snowboarder at the top of a hill)
Potential
Multiple simple machines performing tasks together to complete one larger task is called a
Complex Machine
The theory that Earth's continents were once connected as a single landmass and have since drifted apart over geologic time.
Continental Drift
Total length an object moves that is always increasing. Always being added up.
A jeep accelerates from a standstill to 60 mph in 10 seconds. What is the acceleration?
6 mph^2
A push or pull is known as a what?
Force
What are the two types of collisions?
Elastic and Inelastic
List the energy transfers that occur in a campfire.
Chemical-> sound, light, thermal
Which simple machine is a wheelbarrow?
Lever
The boundary where two tectonic plates collide
Convergent Boundary
If you’re playing baseball and hit a triple, what is your distance and displacement from home plate?
Distance: 270 feet
Displacement: 90 feet
I was jogging 12 mph west. This is an example of speed or velocity?
Velocity
The unit for measuring force and weight is the what?
Newton
Force pairs consist of _____ forces and ______ forces. (Hint: they rhyme)
Action; Reaction
Fill out this acronym. MELTS NEC
Mechanical, Electrical, Light, Thermal, Sound, Nuclear, Elastic, Chemical
What type of simple machine is a ramp?
Incline Plane
The boundary where two tectonic plates move away from each other
Divergent Boundary
Scalar and Vector quantities. Which deals with only numbers, and which has a direction along with it?
Scalar: Only numbers
Vector: Number with a direction
Measure of distance traveled per unit of time is called
Speed
The amount of matter in an object is known as what?
Mass
When hitting a baseball over the fence, what is the action force and what is the reaction force?
Action: Baseball Bat
Reaction: Baseball
List the energy transfers that occur when lightning strikes.
Electrical-> sound, light, thermal
What type of simple machine are window blinds?
Pulley
A continuous underwater mountain range formed by the upwelling of magma at a divergent boundary
Mid-Ocean Ridge
If I am in a boat, and my boat is in motion. Am I in motion compared to the buoy in the water, or my fishing pole I am holding still?
The buoy in the water
The rate of change of position in which the same distance is traveled every second.
Constant Speed
How much effect gravity has on you is called?
Weight
Swimming is an example of ________ friction
Fluid
All energy can be traced back to what?
The sun
An inclined plane wrapped around a central cylindrical post is called a ________
Screw
The process by which one tectonic plate is forced beneath another
Subduction
The difference between the first position and final position of an object is called?
Displacement
True or false. Acceleration can be negative or positive.
True
Mr. Wilker pulls a rope with a force of 85N to the right and Mr. Stammen pulls the rope with a force of 94N to the left. What is the net force, and which direction is the rope being pulled?
9N Left
Wheels moving on a bike are an example of ________ friction.
Rolling
The law of _____________ states that energy cannot be created or destroyed.
Conservation of Energy
Axes and nails are examples of what type of simple machine?
Wedge
The zone of Earth where life exists
Biosphere
An object’s distance and direction from a reference point.
Position
Give me an example of units for speed.
Mph m/s fps
The measure of how hard it is to stop a moving object
Momentum
What is it called when you add up all the forces acting on an object?
Net Force
Which 2 energy types travel on waves?
Sound, Light
The ratio of output force to input force is called ______.
Mechanical Advantage
A German scientist who proposed the theory of continental drift.
Alfred Wegener
You hike a trail in a woods and walk a total 847 feet. You get tired and hike 847 feet back to your house. Distance vs. Displacement. Your answer options are 1,694 and 0.
Distance: 1,694
Displacement: 0
Can speed be the same while velocity is different?
Yes 1 mph west and 1 mph east
What are the two types of collisions?
Elastic and Inelastic
Give an example of an elastic and inelastic collision.
Inelastic: Clay slapping onto clay
The use of force to move an object is called _____. This is measured in Joules. The equation for _____ is force x distance.
Work, Work
The rate at which work is done, or the rate energy is transferred is called ______. This is measured in Watts. The equation for ______ is work/ time.
Power, Power
Name three Continental Plates
North American, Nazca, South American, Cocos, Antarctic, Pacific, Eurasian, Australian, African, Arabian, Caribbean, Juan de Fuca