weather
what is a thermometer used for?
measuring temperature
what are the three stages of the water cycle?
evaporation, condensation and precipitation
what is gravity?
the force that pulls things down
what are fronts?
when the air pressure changes
what is a cloud?
condensation
what is friction?
heat created when two materials rub together
what causes wind?
differences in air pressure
what is it called when a gas turns in a liquid?
precipitation
what is an increase or decrease in motion?
acceleration
what are the lines on a weather map?
isobar
what is it called when a solid turns into a gas?
sublimation
who defined the law of motion and gravity?
sir isaac newton
what is a barometer?
a device used to measure air pressure
what is it called when a gas turns into plasma?
ionization
what is newtons first law?
an object in motion will stay in motion