Weather
WEATHER
Earth's Blanket
Water Cycle
Clouds
Weather Instruments
Weather pattens
Weather Maps
Climate Zones
Quizzes, Worksheets, Websites
SIMPLE MACHINES
Inclined Plane
Wedge
Screw
Lever
Wheel and Axle
Pulley
CRCT PRACTICE TESTS
ECOSYSTEMS
habitats
non-living things
living things
MOTION AND FORCE
MOON PHASES
Speed
*measure of the distance an object travels in a certain amount of time
*need to know 2 things to find speed:
(1) distance the object traveled
(2) how long it took to get that distance
Velocity
*measure of speed in a certain direction
*speed + direction = velocity
*friction and gravity can change the velocity of moving objects