Keep it Simple Science
The Earth in Space
Skim the surface of the earth with this brief, compact, summary of outer space. The sun, stars, galaxies, planets, and phases of the moon can be found in this all-in-one resource. Seventh graders will enjoy these simple worksheets to do...
Howard Hughes Medical Institute
Distribution of Elements in Earth’s Crust
How do scientists know the difference between a meteorite from space and a regular rock from the earth? Scholars read a passage and answer comprehension questions about the creation of the solar system. They extrapolate the main ideas to...
Curated OER
Observation and Inference
Assess your young scientists' understanding of the difference between observation and inference with this 20-question multiple choice quiz. It reviews a variety of physics and astronomy concepts, such as solar eclipses and sunspots, the...