Weather
Earth's Resources
Contact Forces
Sound Waves
Forces at a Distance
100
What is the term for the quantity/percentage that shows the amount of water vapor in the atmosphere or gas?
humidity
100
What does this graph tell you about the size of glaciers?
decreasing
100
True or false: only in some collisions there is an exchange of kinetic energy?
false
100
The amplitude of a sound wave determines the...
volume
100
The space around a magnet is called...
magnetic field
200
What type of energy is the source of most weather?
Solar
200
What is the overall trend of this graph?
positive
200
What is the term for the heaviness of an object based on its mass and downward force of gravity?
weight
200
The pitch of a sound is determined by...
frequency
200
What is the term for one or two ends of a magnet where the magnetic field is the strongest?
pole
300
What is water released from clouds in the form of rain, snow, sleet, or hail; or when water vapor condenses and falls to earth’s surface?
precipitation
300
What is the term for a unit measuring a substance's concentration in a mixture, representing the number of parts of that substance for every one million parts of the total solution?
parts per million
300
What factors impact kinetic energy?
speed and mass
300
Two sounds have the same frequency, but one has a greater amplitude. What is different about them?
volume is louder in the greater amplitude wave
300
What makes an item a magnet?
The electrons spin in the same direction at the molecular level.
400
What is it called where two air masses meet?
A front
400
What whether event causes floods and droughts?
Extreme Heat
400
Potential energy is...
stored energy
400
Sound travels fastest through...
solids
400
When a magnetic object is placed in a magnetic field, it experiences a...
force
500
What eventually causes the clouds to stop moving up and return to the surface?
The water droplets and ice crystals in the cloud become heavy enough to fall to the ground as precipitation due to gravity.
500
What gas makes up the majority of our atmosphere?
Nitrogen
500
What is the term for a group of interconnected components or parts that work together as a unified whole?
a system
500
Sound travels by...
transferring energy in particles in solids, liquids and gases.
500
The strength of a magnetic field is determined by...
The amount of charge the magnet possesses.