For this meerkats reading comprehension online worksheet, students read a story about meerkats. They insert the proper words into the selection using words from the bank at the bottom of the page.

Students examine the use, costs, and the need for plant gene banks. The rationale for gaining ownership over scientific information and the implications of the developing nations' reliance on biotechnology is explored in this lesson.

Third graders complete activities to become familiar with the content and vocabulary related to biomes and ecosystems in order to mainstream into the classroom.

Students experiment with the visocosity of corn syrup, mineral oil, vegetable oil, water, and honey. They research viscosity before beginning. Pupils draw the conclusion that the marble sinks more slowly in the liquids with greater...