What do you call a substance that is dissolved completely in a liquid?
a solvent
What is the source of energy that powers the water cycle
the Sun
What is the transfer of heat using direct touch or contact?
Conduction
How do you calculate speed?
Distance divided by time
Why do liquids have more movement than a solid?
What is their particles are spaced farther apart and can move around.
What is the process when water become water vapor?
Evaporation
When matter is heated what does it typically do?
Expand or get bigger
When you see a straight horizontal line on a motion graph it means that motion has _____.
stopped
When 2 or more substances are combined to make a new substance it is called what?
a solution
Forces that act on an object but cancel each other.
What is balanced forces.
What is the process when water vapor cools and becomes a liquid?
Condensation
What type of heat transfer involves the cycle of moving gas or liquid from heat rising &cooln sinking?
Convection
What does a straight diagonally line mean on a motion graph?
constant speed (moving at a steady pace without speeding up or slowing down)
What is one way solutions can be separated?
evaporation of liquid to leave solid behind
What is the process when water droplets in a cloud fall to Earth AND what forces causes the fall?
Precipitation & gravity
When you feel heat from the Sun or a heat source like a campfire that is ____.
Radiation
What does a upward curving line mean on a motion graph?
acceleration
Salad and trail mix are examples of what?
mixtures
What body of water is responsible for supplying the most water to the water cycle?
Oceans (Cover 75% of earth)
How is water an exception to the heating and cooling rule?
It does the opposite. Expands when frozen and contracts when heated
Why does an object fall or move forward when it is suddenly stopped?
Inertia, Newton's first law of motion, Objects at rest stay at rest and objects in motion want to stay in motion