Mass and density — aren't they the same thing? This activity has groups use balance beams and water displacement to measure several objects. The pupils use the measurements to calculate the density of the objects. 

Eleven engaging activities make up a story guide that accompanies Dr. Seuss' Hooray For Diffendoofer Day! Scholars design a fictional classroom setting including scary face tests, writing job descriptions, adapting the book...

Many people know cats mark their territories by rubbing the back of their necks to leave a scent, but not many people know beavers also leave a scent to mark their territories. During the first activity of two, scholars use their noses...

Celebrate the whimsical world of Dr. Seuss on Read Across America Day with a collection of science, technology, engineering, the arts, and mathematics activities, each linked to a popular Dr. Seuss story. 

Develop a model of a wastewater treatment center. The last activity of the unit has pupils mix a lake water sample into a tank of water containing fertilizers. Over time, the algae from the lake water grows and removes the nutrient-rich...

How can your draw three-dimensional figures on paper? The lesson shows pupils how to draw orthographic projections of three-dimensional figures composed of cubes. After viewing a PowerPoint presentation, they practice this skill with...

How did ancient peoples determine the height of really tall objects? Young scientists and mathematicians explore the concept of using shadows to measure height in a hands-on experiment. Paired pupils measure shadows, then calculate the...

When van Leeuwenhoek saw cells and single-celled organisms for the first time, he knew these small things were a big deal! Share his discoveries with young learners through a narrated video, model-building activity, and scale study....

Bully-free is the way every school should be! How can you help create that kind of culture in your school? A well-written teacher's guide containing lessons for grades 6-8 may be just the ticket. Each unit, separated by grade level,...

Carbon dioxide is a very important gas; it is present in the air, used in cooking, and supports plant and animal life. Scholars investigate the properties of carbon dioxide with three different activities. They experience a color change,...

Here is an excellent series of lessons on the Paiute Indians of Nevada. In them, learners see that the four Native Tribes of Nevada respected and depended on their natural environment. They had four distinct ways of life according to the...

Students experience a "hands-on" activity to get visual evidence of the physical nature of DNA and the process of DNA purification. They explore one method of chromosomal DNA isolation and DNA extraction.

First graders celebrate Dr. Seuss's Birthday. Moving through six stations in small groups, first graders rotate on the teacher's signal through several engaging activities connected to Dr. Seuss's books and poetry.

First graders place some specific types of objects (e.g., shoes, favorite food) on concrete graphs and pictographs. They listen and respond to others in a variety of contexts (e.g., pay attention to the speaker; take turns speaking in a...

Wait, you mean researchers don't all use Wikipedia? Teach your class about intelligent research with a lesson about evaluating digital sources. The lesson starts with a quickwrite and includes vocabulary exercises and several...

Review concepts at the end of the day with a quick game of speedball! The activity starts with learners seated on top of their desks who must then, after responding correctly to a review question, pass the ball around the classroom as...

Much like Simon Says, this activity will require your class members to remain focused, pay close attention, and to mimic lots of movements from the leader. Consider using this on a rainy day for a PE class, or as a transitional or...

Use a quick game to give your class the chance to move around in a dynamic and silly way, or to play in PE class on a rainy day. Participants impersonate animals, creatures, bugs, etc. that must perform a particular, unusual task. See...

In this second of three activities, energy engineers plan and create a hydropower dam as they learn how hydroelectric power plants generate electricity. A hydropower puzzle is also included, which can be worked on by teams that finish...

Engage young readers in using context clues with this collaborative vocabulary activity. In pairs, children draw from a deck of cards, with each card asking a question about a context involving a specific vocabulary word. After...

Here is an activity that merges technology with life skills as individuals use Google Earth to explore the differences between coordinate systems and map projections. The self-guided activity is the fourth segment in a nine-part unit....

Dead trees provide nutrients for the soil, food for animals, protection and a home for organisms, a seed-bed for new trees, and a place for nitrogen-fixing bacteria to live. In the activity, pupils collect decaying logs, expose them to a...

The moon orbits Earth while the Earth is rotating, and the Earth revolves around the sun. This can be a tricky concept for young astronomers. Implement an activity that helps distinguish between the movements of Earth's systems around...

Go star-gazing with young learners! They study the history, origins, and patterns of constellations in an activity that explores the starry night sky.