Young scientists create a simulation of Hubble's law. Introducing the Big Bang Theory using balloons and a simple lab instructional activity, scholars complete a data table and perform analysis.

Start this lesson with a bang! The eighth in a 13-part series of lessons explains the origin of elements beginning with the Big Bang Theory. The reading describes the formation of elements hydrogen through uranium.

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...

[Free Registration/Login Required] This informational text passage explains the pressure-bomb experiments of Robert Hazen and the origins of life. This passage is a stand-alone curricular piece that reinforces essential reading skills...