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
SCREW
must have sharp point
A
screw is a simple machine made an inclined plane wrapped around a post
unscrewing bottle cap
Where would I find an example of a screw?
Jar Lids
Light Bulbs
Stools
Clamps
Jacks
Wrenches
Key Rings
Spiral Staircase