Is the gestation length of an animal a predictor of the average life expectancy of that animal? Learners analyze similar data for more than 50 different animals. They choose a data display and draw conclusions from their graphs.

Assume all you know is that the variable Q represents a value that is bigger than the value represented by the variable P. Which is larger P + Q or 2P? The problems in this activity get more complex than...

Should the work of the National Institute of Environmental Health Sciences be funded by the government? Middle schoolers weigh in on the status of federal funding for programs that protect the environment with three text passages...

How well can a wolf survive without a pack? Third graders read about headstrong Will and his desire to be an independent wolf with a short story and series of comprehension questions.

Which animal is best for you—a dog or cat? Why? Engage third graders in an opinion writing assessment that prompts them to read facts about both pets, and then write and decide which pet is best for them.

What does an animal's gestation period have to do with its longevity? Use residuals to determine the prediction errors based upon a least-square regression line. This second instructional activity on residuals shows how to use...

In this second grade math problem solving worksheet, 2nd graders draw pictures to solve three addition and subtraction problems.

A fun collection of activities about marine life would be a great addition to your elementary science unit. From cute penguins to scary sharks, the unit features crafts, experiments, and basic research projects that will teach your...

How do animals survive in the wild? Read about the different adaptations such as camouflage and self-protection that animals use to survive.