The force that pulls objects towards the center of the earth.
What is gravity?
When light bounces off an object.
What is reflection?
The total energy of all particles in a substance.
What is thermal energy?
There are more producers present in the area so there would be _________ consumers present.
What is more?
The scientific term for the amount of water vapor in the air.
What is humidity?
The energy of motion.
When light passes through an object.
What is transmission?
The measurement of the average kinetic energy of particles in a substance.
What is temperature?
There is less available food for predators so their population ____________.
What is decreases?
This process occurs when water vapor cools and turns into liquid water.
What is condensation?
The force that slows down a parachute as it falls.
What is air resistance?
When light hits an object and does not pass through.
What is absorption?
The reason ice melts when placed in a warm drink.
What is energy transfer from the drink to the ice?
The relationship between rainfall and acorn production.
What is more acorns are produced in years with many days of heavy rainfall?
The layer of the atmosphere where almost all weather occurs.
What is the trophosphere?
At the highest point of a roller coaster, the cart has the most of this type of energy.
What is potential energy?
The amount of energy a light wave has depends on this property of the wave.
What is frequency (or wavelength)?
The direction thermal energy always moves.
What is from hot to cold?
This type of organism makes its own food using sunlight through photosynthesis.
What is a producer?
This type of front forms when a cold air mass pushes a warm air mass upward, often causing thunderstorms.
What is a cold front?
A shopping cart gets bumped, and hits a parked car. After it hits the car, the cart moves backwards. Why did the shopping cart change direction after hitting the parked car?
What is the force of the shopping cart changes direction?
Light waves do not need this to travel, unlike sound waves.
What is a medium (or matter)?
The process that keeps Earth's atmosphere warm by trapping heat.
What is the greenhouse effect?
The variety of life in an ecosystem, including different species of plants, animals and microorganisms.
What is biodiversity?
The term for a large body of air with uniform temperature and humidity.
What is an air mass?