According to Newton's Second Law, what is the equation to calculate force?
Force = mass x acceleration or F = ma
100
What are the two types of waves?
Longitudinal and Transverse
100
Name 4 of the simple machines we have learned.
Inclined plane, screw, wedge, lever, wheel and axle, pulley.
200
Divergent plants move in what direction?
They move away from each other
200
Metamorphic rocks are formed as a result of what process?
Heat and pressure
200
The average speed of an object is calculated using this equation = ________________.
Speed equals distance divided by time.
200
The wavelength of a wave goes from which two points?
Crest to crest or trough to trough.
200
Work is the calculated using which equation?
Work = Force times distance. W = F d
300
Convergent plate boundaries are similar to what type of stress?
Compression
300
Sedimentary rocks are formed as a result of what process?
Weathering and erosion, compaction and cementation
300
Newton's third law says that when you sit in a chair with a downward force of your weight, there is a reaction force. What is it?
The upward force of chair pushing on Billy.
300
The amplitude refers to which part of the wave?
The height.
300
Simple machines make work easier by ____________ the distance and ______________ the force.
Increasing the distance and decreasing the force.
400
Divergent plates move ______________ from each other. This causes _______.
Away from each other. This causes sea floor spreading.
400
Which property of a mineral is tested by scratching it against a glass plate?
streak
400
What is the speed of an object that has gone a distance of 100 meters over 25 seconds.
100 meters / 25 seconds = 5 m/s
400
A sound wave is which type of wave?
Longitudinal wave.
400
Give an example of a wheel and axle and a pulley in this classroom.
Wheel and axle: doorknob
Pulley: blinds
500
The outer core is made up of what elements? Are they liquid or solid?
Iron and nickel. Liquid.
500
What type of rock is formed with magma cools and hardens?
Igneous.
500
When we are riding on a bike and we continue to move forward after running into a fence, which law describes the reason why? What is that reason?
Newton's first law.
500
Which wave moves perpendicularly to the movement of the wave?
Transverse.
500
If during an experiment you measured that 8000 J of work was done to move a large box of 10 meters on inclined plane, the force used was what? Use F = W / d