An object which can only reflect light is called this
What is non-luminous
100
The 2 major differences between permanent magnets and electromagnets
What is able to turn them on and off / change the strength of the electromagnet
100
When setting up an experiment, this is a predicted result based on previous knowledge and understanding
What is a hypothesis
200
A lion can run at 80 km/hr, in 15 seconds a lion can cover this much ground (meters)
What is 333.3 m/s
200
determines what pitch the sound has
What is frequency
200
Light is this type of wave which can travel through the vacuum of space
What is electro-magnetic wave
200
This pole of a permanent magnet is the strongest
What is the north pole
200
The Y-axis represents this variable while the X-axis represents another
What are the Dependent and Independent variable
300
The average human can run 24 km/hr, it would take this many seconds to run the length of a football pitch (105 m).
What is 15.7 seconds
300
a 1 kilohertz frequency has this many oscillations per second
What is 1000
300
The terms for light passing straight through an object or being absorbed
What is transparent and opaque
300
These show the strength and direction of a magnets magnetic field
What are magnetic field lines
300
A data point which does not fit the rest of the graph
What is an anamolous result
400
The slope of a distance Vs. time graph is ZERO
What is the speed is ZERO
400
sound and light are both waves that have amplitude and wavelength, however light waves can travel through this medium while sound waves cannot
What is through a vacuum
400
The law of reflection states that these two angles are equal with respect to the normal line
What are angle of incidence and angle of reflection
400
The number of turns of wire, amperage, and iron core all affect this aspect of an electromagnet
What is the strength
400
This ongoing method is used to unravel the mysteries of the Universe is a methodical way
What is the scientific method
500
The greater the slope means this in a distance Vs. time graph
What is the speed increases
500
The human ear is able to hear frequencies from 20 Hz to 20,000 Hz due to this specialized organ
What is the cochlea
500
When light enters a transparent medium light slows down and bends this way with respect to the normal line
What is towards
500
This Danish scientist was the first to identify that there was a connection between electricity and magnetism
Who is Hans Christian Oersted
500
This part of the scientific method is used to summarize the outcome of the experiment and state whether the hypothesis was correct or if the experiment needs to modified.