3rd Grade Science Review Carolina Fleming
Question Hypothesis Experiment Observation Conclusion
Question Hypothesis Experiment Observation Conclusion Quiet Hippos Eat Only Carrots!
Six Simple Machines
Lever A straight rod or board that pivots on a fulcrum
Pulley Wheel with a rope used to pull load up or down
Inclined Plane A sloping surface, such as a ramp
Wedge Two inclined planes joined back to back-used to cut
Screw An inclined plane wrapped around an axle
Wheel & Axle Wheel fastened to an axle that turn together
Producers - plants • Consumers- Herbivores eat only plants Carnivores eat only meats Omnivores eat both plants and meat • Decomposers
Complete the Food Chain Click here!!
Soil… provides the support and nutrients necessary for plant growth is a natural resource that should be conserved. Help take care of our Earth!
Soil is composed of rocks, clay, silt, sand and humus + + + rocks larger than clay but smaller than a sand clay = SOIL + sand humus
Ground level Topsoil Subsoil Bedrock
*Water is essential for all living things! *The water cycle never stops! *It is driven by the power of the SUN
There are 4 steps: Evaporation Condensation Precipitation Collection E-C-P-C
Condensation Precipitation Evaporation Collection