MOTION
TEMPERATURE
WAVES
EARTH & SPACE
DOUBLE JEOPARDY
Pts. X 2
100
What is the law that says an object in motion or at rest will remain in motion or at rest until a force is exerted upon it?
Newton's 1st Law of Motion
100
What is the total kinetic energy of all the particles in a substance called?
Temperature
100
What is the material in which a wave travels called?
A medium
100
The sun's rays hit Earth's surface least directly where?
the poles
100
The kind of waves cellular phones use to transmit and receive signals is
Microwaves
200
What is the formula for finding the speed of an object?
Speed = distance / time
200
What is the freezing point on the Celsius scale?
Zero degrees
200
Waves are created when a source of energy causes a medium to ____________.
vibrate
200
The seasons are caused by
the tilt of the Earth on its axis
200
Frequency is measured in units called
hertz (Hz)
300
An object is in motion only if it changes its position relative to what?
Reference point
300
What is the point at which no more energy can be removed from matter called?
Absolute zero
300
What is a disturbance that transfers energy from place to place called?
A wave
300
In the lunar cycle, how long does the moon take to move through its phases?
29.5 days
300
The range of electromagnetic waves placed in a certain order is called the
spectrum. For an extra 100 points: What is the order of the colors in the spectrum?
400
What is the difference between speed and velocity?
Speed = how fast something is traveling over a given distance (25 mph) Velocity = speed in a specific direction (25 mph to the west)
400
The more particles a substance has at a given temperature, the more __________________ it has.
Thermal energy
400
Waves that move the particles of a medium parallel to the wave's direction are called_________________.
Longitudinal waves
400
In both March and September, what is the Earth's position in relation to the Sun?
Neither end of Earth's axis is tilted toward the Sun.
400
What are waves classified according to?
The type of medium they travel through. For an extra 200 points: Name the three kinds of mediums.
500
Name the three ways unbalanced forces can affect an object:
1. Start moving it 2. Stop it from moving 3. Change its direction
500
What is the name for when heat is transferred from one particle of matter to another without the movement of matter itself called?
Conduction
500
Waves produced by earthquakes are called_________.
Seismic waves
500
Summers are caused by which two things?
Longer days and more direct rays of light from the Sun.
500
When an object at a cooler temperature is in contact with an object at a warmer temperature, how does energy transfer occur?
From warm to cold.
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