What can teeth tell us about an animal's diet? Learners examine animal skulls to determine what their canines, incisros, premolars, and molars reveal. 

Beginning biologists place a drop of food coloring into water of differing temperatures to observe the effect on the diffusion rate. They remove the shells from raw eggs and then experiment with osmosis over the remaining membranes....

Students identify the four basic natural resources. They distinguish bettween renewable and non-renewable resources. Pupils recognize that all natural resources are needed by living plants and animals. Students list consequences for...

Explore six different habitats—wetlands, rainforest, savannah, desert, city, and cultivated land—to determine which habitat factors (food, water, shelter, and space) are high, medium, or low in each. Learners also use maps of Africa...

Expectant earth scientists examine the bottom side of a leaf and learn the role of the stomata. They consider the gas exchange that occurs through these structures and relate how the climate is changing to its impact on food crops. This...

Although the article that launches this lesson is about the history of the Periodic Table, the objective is reading comprehension. Using the eight-page informational text, learners answer five comprehension questions and craft one essay....

How does a cheetah life cycle differ from a human life cycle? Kids graph weight gain for humans versus cheetahs and compare other life cycle events such as gestation and life span

Transform your classroom into the African savannah, a mountain range, the forest, and an urban environment! Young scientists embark on an imaginary field study observing various cat species in native habitats and recording in field guides.

Students create a checklist of traits common in all of their families. Uisng a table, they compare and contrast their family members to non-family members. They also review dominant and recessive traits and discuss how knowing about...

Eleventh graders study wildlife management and identify the appropriate government agencies that are in charge. They examine different wildlife management techniques. They write a letter showing interest in the activities of one of the...

Students are introduced to the concept of cause and effect. Using a switch, they make certain sounds and images appear on their computer. They identify a change in the screen and signal when there is a change in the environment...

Students review the garbage/landfill graphs included with the lesson. They discuss the information on the graphs and discuss which garbage products come from their homes. Students collect examples of over packaging to share with class...

Learners collect survey data on the prevalence of asthma in a community. They summarize and display the survey data in ways that show meaning.

Students research past, present and proposed climate change policies. They develop timelines based on different predictions of climate change effects and assess the likelihood of each timeline playing out in reality.

Students research the properties and health risks of organic chemical solvents. They create a Safety with Solvents newsletter to share with others in their school and community.

Students explore the topic of energy conservation. They identify energy sources, complete a chart and a questionnaire, and write two paragraphs summarizing the instructional activity information and ways to conserve energy.

Students study a variety of global wetland habitats, their similarities and differences. They examine the variety of life that such wetlands support and determine that many animals and plants are adapted to life in wetlands, that...

Students, through hands on games and activities, discover how bats live and how bats benefit ecosystems. They play a game designed to show them how echolocation works and another to show how mother bats locate their young through their...

Students examine the potential health dangers of mountain climbing in high altitudes and deep-sea diving. They write a health and safety column for a fictional magazine about extreme outdoor sports that explains the risks involved in...

In this biology worksheet, students grow corn plants in growth pouches as the control group in an experiment on plant growth in microgravity. Then they analyze any differences that occur between Earth-grown and space-grown corn plants.

Students explore the issue of endangered species. They read a summary sheet and case history handout, complete a summary form, define key vocabulary terms, and participate in a class discussion.

Students explore the topic of marine pollution. They define key vocabulary words, list examples of marine pollution, complete a true/false handout, read an article, and participate in a class discussion.

Students explore the topic of waste management. They define key vocabulary words, take a pre-quiz, complete a questionnaire, evaluate their own waste reduction habits, and write a short summary.

Students collect samples of pond water, dried grass, and soil in a jar. They predict the order of ecological succession in their pond water cultures. They compare their expected results with their observed results.