Seventh graders discover the interconnectedness of plants and animals in ecosystems. In groups, they create a food web and discuss the problems when one link of the chain is broken. To end the instructional activity, they set up a...

Review area, perimeter and volume using this lesson. After reviewing key vocabulary relating to these concepts and answering story problems, learners compute the perimeter, area, surface area, and volume of five storage boxes. 

Learners participate in an experiment in which they investigate the factors affecting the levels of nitrates in groundwater. Using examples, they explain the nitrogen cycle and identify the sources of chemical nitrogen fertilizers. ...

Tie the unit together and see concepts click in your young mathematicians' minds. Scholars apply the properties of similar triangles to find heights of objects. They concentrate on the proportions built with known measures and solve to...

Hedgerows prevent soil erosion, capture pollutants running off fields, store carbon to help combat climate change, and provide homes for predators of many pest species. The biodiversity lesson begins with an activity that...

Learners discuss strengths and weaknesses of the court system in providing equal justice for all. They identify factors that cause these weaknesses and recommend solutions.

In this Big Bang worksheet, students are given the equation used to determine the rate at which the universe is expanding according to the Big Bang theory. Students solve 4 problems using this equation. They find the integral for time,...

In this geometry worksheet students explore similar polygons and determine measure of missing sides and angles. Students use indirect measurement with similar triangles and determine the area and volume of similar figures. The seven...

High schoolers differentiate between similar and congruent triangles. In this geometry lesson, students identify the angles of triangles using the similarity theorem. They apply concepts of triangles to the real world.

Eighth graders measure regular baseball bats and souvenir bats in centimeters. They determine how tall a person would be to be in proportion to the souvenir bat, create a poster depicting the person, and explain the proportional...

Learners consider a set of questions to determine a series of transformations that will move one figure to another. Once the series is determined, the pupil then determines whether the pre-image and image are either congruent...

Build upon the Pythagorean Theorem with the Law of Cosines. The 10th part of a 16-part series introduces the Law of Cosines. Class members use the the geometric representation of the Pythagorean Theorem to develop a proof of the Law of...

Are congruent shapes compatible? Congruent shapes are identical to one another, and throughout the assessment, young mathematicians identify given shapes as congruent.

In May of 1981, the Winter Park Sinkhole in Florida first appeared and is now referred to as Lake Rose. Scholars learn about the causes of sinkholes through an inquiry project. Then, they analyze recent data and draw conclusions to...

Many types of cancer treatments now depend on nanotechnology—a big "little" discovery. Scholars begin by removing "malignant" tissue from simulated brains, one using fluorescent markers thanks to nanotechnology and one without. This...

In this power functions learning exercise, students read about determining the brightness of stars using a magnitude scale. Students solve 4 problems including finding the magnitude differences of stars and determining equivalent...

Seventh graders use their knowledge of multiplication and problem solving to determine the total weight of multiple objects. In this multiplication instructional activity, 7th graders weigh various manipulatives, record the weight, and...

Students investigate adolescent obesity and its health impact. In this health and obesity lesson, students research the problem, develop a survey regarding eating habits, then analyze the nutritional information on commonly eaten foods...

In this NASA satellites worksheet, students read about the Magnetosphere Multi-Scale satellite constellation that NASA will launch in 2013. They solve 4 problems including finding the volume of the MMS constellation, finding how long it...

In this SI units and conversion worksheet, students are given five problems to solve. They convert from one SI unit to another.

Students research, create, and present a scale representation of the county in which they live.

Learners view the treatment of people of Japanese and German descent during World War II. They explore the problems in assigning blame to populations during times of war. They identify modern examples of discrimination and stereotyping.

Ninth graders explore ways water moves through various reservoirs on Earth, examine how human activities change water cycle, investigate substances present in water that indicate human activity, and discuss how understanding water cycle...

Young scholars perform an experiment with different types of bird eggs to determine what factors make them strong and able to stay on a cliff without rolling off.