Energy
What is the force needed to make things move?
Energy
At what temperature do particles move the slowest?
Solid
What is a particle?
A very small piece of matter or energy
What is precipitation?
When water loses energy and turns from vapor to liquid in the form of rain.
When particles have low kinetic energy the energy is _____________
low
What happens to the energy on an object as the particles speed up?
It increases.
True or false: particles are always moving, just at different speeds.
True
What is kinetic energy?
Energy from movement
What is the energy source for the water cycle?
The sun
In what direction does energy move (think in terms of temperature)?
From hot to cold
What happens to the energy of a liquid as the temperature of the liquid decreases?
It decreases.
At what temperature of liquid will food coloring disperse faster?
Hotter temperatures
What is potential energy?
Energy that is stored rather than used
What is evaporation?
The process by which water particles heat up and turn from a liquid to vapor
In what state of matter do particles move the most?
Gas.
Does an object with high kinetic energy have more or less heat than an object with low kinetic energy?
Less heat
SUPRISE
Name three South American countries
What is a criteria?
The thing that a test or experiment needs to do to be successful
What is transpiration?
When water is taken up by the roots of a plant and released as water vapor into the atmosphere.
What is a dependent variable?
The variable that depends on the what is changed (independent variable)
What would be evidence of an object losing energy?
A loss in temperature or a slowing in movement.
What temperature are particles with low kinetic energy
A low temperature
What is a control variable?
The thing that is not changed in an experement.
What is water called when it is visible in the atmosphere?
Clouds
What is an independent variable?
The thing that is changed in an experement