Even light cannot leave the force of a black hole! Learners use a model to explore the gravitational force of a black hole. An elastic bandage and heavy ball serve to create the hole, while marbles become the victims of its strong force.

Two triangles are displayed on a coordinate plane. Youngsters apply a reflection and a translation to demonstrate their congruence. This exercise makes a terrific tool for teaching these concepts, or a way to assess learning.

Give your class a chance to show what they know. In the last installment of a seven-part series, pupils summarize and review what they have learned in the series. They present their solutions for creating a biosensor to detect cancer...

Prompt scholars to complete a magic square using only variables. Then they can attempt to solve a numerical magic square using algebra. 

If the delay between a sound and its echo is less than 1/10th of a second, the human ear can’t distinguish it. Through the use of a Slinky, rubber band guitar, and straws, scholars explore where sound comes from and how it travels....

What happens to stars as they get older? A simulation takes pupils through the life cycle of stars based on their masses. The resource introduces the Hertzsprung-Russell diagram and the common relationships and life cycle patterns observed.

What's the link between lactase persistence and dairy farming? Biology scholars analyze data to find evidence of the connection, then relate this to human adaptation. Working individually and in small groups, learners view short video...

Kurt Vonnegut's short story "Harrison Bergeron" engages adolescents with its theme about the dangers of complete societal equality. Learners complete a graphic organizer to track literary elements in the story, as well as an inference...

Liability, deductible, premium ... what do these words mean, and how do they relate to insurance? Scholars complete a pre-test, matching vocabulary activity, and insurance timeline worksheet and become familiar with these terms. Next,...

Students analyze symmetries of quadrilateral tilings and discover how various types of symmetries, used alone or in combination, can generate the same pattern in more than one way.

Fifth graders apply basic Internet navigation and computer skills to complete a scavenger hunt about the Everglades, after reading the book, Everglades, by Jean Craighead George.

Students investigate modular clock arithmetic and cryptography. They perform basic operations in modular (clock) arithmetic and encode and decode messages using simple shift and affine ciphers.

Third graders examine and identify the six types of simple machines. Using a model of each simple machine, they demonstrate the state the function of them to the class. They discover examples of simple machines at school and home and...

Students complete an essay documenting a conflict present in the novel Holes. They define the six types of literary discussion as a class. After identifying one of these types of conflicts in the novel, students write a five paragraph...

Students discuss resource availability and natural resources. They explore the basic rules of appropriation. Students participate in a water rights simulation. They discuss possible consequences of appropriative water law.

Seventh graders research different types of waves, identify the parts of a wave and create a Power Point presentation demonstrating what they have learned.

Students create simple 2D concept driven visualizations of cells and cell organelles and organize them into an effective presentation.

Students list and explain the three types of economic systems as well as the three economic questions that every economic society must answer at one time or another. In addition, they identify the five features of our market economy.

Students participate in a lesson in order to discover the type of intelligence they have for learning. This is done by taking a Multiple Intelligences Survey. The focus of the lesson is a question posed to students. The homework is an...

Students explore a portion of the Chinese Zodiac with projects centered around the year of the rabbit. Students research types of rabbits, actual and fictional. Working in groups, they create a written or multimedia presentation.

Learners compare different types of numbers. Each student is given a flashcard containing a decimal, percent, fraction or integer. Teams of students compete, in silence, to determine who can line up in numerical order correctly. They...

Students trace their family history back to their great-grandparents and examine where their family is from and what types of jobs their ancestors had. They also define different terms used to describe family relations such as...

For this math worksheet, students solve a puzzle that uses numbers in a crossword type puzzle. The sheet is intended to be a teacher's guide.

Students examine microscopic life by conducting a scientific investigation. In this cell analysis lesson, students define the prokaryotic and eukaryotic cells and discuss their word origins. Students view each type of cell on slides...