Investigate sound waves with acoustic mirrors. Using audio software, groups make recordings of musical instruments, both with and without acoustic mirrors. They compare the recordings to see the effect of acoustic mirrors on sound...

Two activities explore the concept of size, especially small sizes down to the nano. Scholars practice determining volume, mass, and density and calculate exponential increases and decreases. They then predict and test the effect of size...

Cyanide, a coordination compound, is used in the extraction of gold and silver. Part 24 in the series of 36 delves into the world of coordination compounds. Classes learn, through readings, discussions, and answering questions, how to...

Homes come in many different shapes and sizes. Building a model of a geodesic dome is the ultimate goal for the activity. Cutting and folding is the way to go here.

Filippo Brunelleschi's invention of linear perspective during the Renaissance was further developed by his apprentice, a young artist named Leonardo da Vinci. Now modern artists can give da Vinci's famous perspectograph a try...

Explore vocabulary related to three-dimensional shapes. An instructional website describes the characteristics of different geometric solids. Learners can use an interactive component to view nets, faces, vertices, and edges of common...

Surface area certainly surfaces as a variable for chemical reaction rates. Scholars perform an experiment to discover how the size of catalysts affect the rate of a chemical reaction. They record their results in tables and graphs to...

It's not really a small world after all! The 21st lesson of a 22-part series on American history researches the impact of globalization on the United States. Using photographic and written references materials, as well as video sources,...

Let the resource take center stage in a lesson on population density. Scholars use provided historical data on the center of the US population to see how it shifted over time. They plot the data on a spreadsheet to look the speed of its...

Let the star's color be the guide! The color of a star indicates its temperature and its mass and distance affect the gravitational force. The lesson presentations address these concepts as well as how the theory of special relativity...

Why is there more daylight in June than in December if you live above the equator? How does the angle of sunlight shift throughout the year? Answer these questions and more with an interactive article about the sun, its path through the...

Discover different dimensions with paper folding. Pupils first read about zero, one, two, and three dimensions, and then learn about the fourth dimension, time. They then use origami to create models of shapes in three dimensions and use...

The universe is full of a mystic matter people cannot see. Pupils respond to 10 questions about the stuff in the universe. Most of the questions involve the big bang theory and dark matter. Learners find out how astronomers have found...

In this online interactive English vocabulary skills worksheet, students answer 10 matching questions which require them to fill in the blanks in 10 sentences. Students may submit their answers to be scored.

For this online interactive English vocabulary skills worksheet, students answer 10 matching questions which require them to fill in the blanks in 10 sentences. Students may submit their answers to be scored.

In this online interactive English vocabulary skills worksheet, students answer 10 matching questions which require them to fill in the blanks in 10 sentences. Students may submit their answers to be scored.

Middle schoolers work with scientific notation and rounding as they determine volume. In this volume lesson, pupils attempt to calculate the volume of the planet Jupiter. They use rounding to two significant digits and scientific...

Young artists create a freestanding 3-dimensional sculpture using wire and modeled "clay" pieces. This immensely creative and engaging lesson should get your kids excited, because the medium is unusual to work with. Everything you need...

Sprouting scientists explore the concept of density by making mass and volume measurements for five different liquids. From these measurements, they calculate densities. They apply their learning to explain Galileo's thermometer works...

Discuss European Imperialism using this resource. This is an online world history worksheet. Learners answer 20 questions regarding the new European Imperialism using drop-down menus to select their answers for each question. They can...

Students read a text about women in Korean and their role in Korean literature. In this Korean literature lesson, students read a text by Helen Koh to learn about women writers in Korea.

Elementary schoolers explore 3-D shapes. They transition from thinking of shapes as only 2-D. Pupils read Cinderella as a launching activity for their upcoming adventure, and explore a new world of 3-D shapes in this introductory lesson.

Learners explore volume and surface area. In this math lesson plan, students fill boxes with cubes to identify the volume of the boxes. Learners discuss area.

Four demonstrations with the Van der Graaf generator are delineated for you to share with your science classes. Instructions, explanations, and safety precautions are included. However, a background explanation of the static electricity...