Believe it or not, biodiversity exists even in areas of disturbed habitat. An interactive activity challenges learners to look for species with a magnifying lens in an image of a city habitat. Pop-up images and descriptions explain how...

What is DNA metabarcoding? Show your biology class the latest method for studying biodiversity in an ecosystem with a fun, informative interactive. Individuals examine the animal species that compete for vegetation, then learn how their...

Roy John Britten easily earned a PhD in nuclear physics—but he found painting with water colors too difficult. Young scientists learn about Britten's life, career, and research with an online interactive. They read a biography, view...

Regulations exist in many places from business to schools, but what about in our genes? Learn about gene regulation with an online interactive. It uses an animation to introduce the topic, many photographs of the scientists best known...

In this amphibians worksheet, students click on the links in the questions about amphibians to find the answers to the questions and then come back and answer the questions. Students answer 10 questions total.

Young biologists match Cuban wildlife to their ecosystems by dragging images of the creatures to either a forest, coral reef, cave, or wetland habitat.

Show me what you know about the sea. Learners answer 10 questions about marine biology. The questions range from what evidence points to the origin of life to the biggest threat to oceans.

For this literature worksheet, students respond to 10 short answer and essay questions about Zola's Nana. Students may also link to an online interactive quiz on the novel at the bottom of the page.

In this classification of life activity, students use an on line source to answer questions about how species are classified, named and grouped. They give the classification of a bear, an orchid and a sea cucumber.

In this food web activity, students create a food web matrix and answer short answer questions about the food chain according to the matrix. Students complete 7 short answer questions.

In this mammals worksheet, students compare and contrast the physical characteristics of bats and people by filling out a chart. Students complete 17 rows in the chart and answer 3 short answer questions.

In this rainforest worksheet, students watch a video of Prince Charles wanting to save the tropical rainforest and then fill in the blanks to sentences about the video. Students complete 12 sentences.

A comprehensive resource on trees, covering many topics, including growth, needs, diversity, and identification. There is a section profiling botanists who work at this arboretum, and another where the public can present questions to the...

Lights! Camera! Action! Our movie director needs your help! Help Walrus pick actors based on the traits that best fit the movie role. Which furry mammal will get the most wanted role in the blockbuster film "Paws"? Which water loving...