How do we predict future population growth? Young researchers investigate various factors affecting the size of our population. As they calculate and interpret graphs to determine factors that could potentially affect increases...

Here learners get to flex some serious algebraic muscles through an investigation of logistic growth. The properties of the constant terms in the logistic growth formula are unraveled in a short but content-dense...

Earth is sick and needs our help! Read the children's book Planet Earth Gets Well to explain the various problems facing the planet, discussing what young conservationists can do to heal the planet along the way. A great Earth...

Recycling is the focus in the sixth of a nine-instructional activity series devoted to forest ecosystems. Class members read an article about the responsible use of natural resources and ways to reduce land fill.

Not only do mealworms taste great, they are also great for classroom science lessons. In pairs, young scientists observe and record what they see as they check out what their mealworms are doing from minute to minute. Each minute...