A passage about an astronomy lesson may leave readers starstruck. Fifth graders read about a class's exploration into the makeup of the galaxy and its constellations before answering six questions about the terms and vocabulary...

Every living creature can leave a fossil record, yet most fossils belong to extinct organisms rather than ones currently living. Scholars learn about dating rock layers, fossils, and the environment of the past. Pupils understand that...

Split the class in half. Set up two cones on opposite ends of the gym, using the gym lines as boundaries. These are the jails. The object of the game is to tag another player that is "older" (not in age) than another. The "fresher" a...

Most water fountains are designed to keep the water inside the fountain, but how are they designed to shoot up and out without the water leaving the fountain? Scholars vary the launch angle, fountain height, launch speed, and...

Gravity does more than keep our feet on the ground — it holds a satellite in orbit, too. Help learners understand the effects of gravity on an orbiting object through a simulation activity. Individuals adjust a launch speed and watch as...

A phantom of neuroscience may leave pupils perplexed as they engage in an experimental lesson that recreates a phantom limb scenario. After experiencing the phenomenon, they choose a scientific question to explore further.

Eliminate a color by dragging shapes. The interactive provides a graphical color display that allows for pupils to solve a linear system by elimination. Learners combine figures following set rules for positive and negative shapes. The...

Being responsible online, leaving a digital footprint, and knowing how to be Internet safe are all important aspects of digital citizenship. Use a set of flash cards that promote conversations among the classroom and instill awareness of...

Dig into a classic math problem with your classes. Through an engaging task, learners work with rate and distance information to make conclusions. In the task, two people walk at different rates; one leaves first, and scholars...

Unleash the power of ... blackberries! Science superstars create solar cells using the juice of berries or leaves of a citrus tree in an engaging lab. In addition to offering a plethora of resources, the teacher's guide gives background...

Explore the process of wastewater treatment. Scholars analyze different samples of water before drawing conclusions about the types of chemicals in the water that leaves our homes. 

The key is in the leaves. Pupils enter data to create a stem-and-leaf plot. The resource then displays the plot and calculates the mean, median, and mode of the data. Using the plot and the calculated measures of spread, learners analyze...

Sometimes the simplest experiments leave the biggest impression! Introduce young chemists to the Cartesian Diver by having them make one of their own. Use the Diver to further their study of liquids and gases, as well as compression.

The Roosevelt family was one of the most influential and prominent political forces in the 20th century, leaving behind a wide-ranging legacy of conservation, progressivism, and economic growth. Learn more about President Theodore...

What a bright idea! Young scientists conduct an experiment on flowers to finish the last of a six-lesson unit on Cells. Putting the stems into dye-injected water and leaving it overnight results in flowers that glow. This is to simulate...

Explore the connection of surface area to bonding within atoms. Learners complete lab investigations to model changing surface area with different sizes and concentrations of atoms. A flour fireball demonstration follows the labs to...

Often, the real-life experiences of soldiers gets lost back home when the war seems so far away. Scholars investigate the personal side of World War I in the trenches of Europe to complete a collaborative social studies activity. When...

You don't want to leave any learners stranded! Explore ratios using an analysis of gas mileage and distance. Given a scenario, individuals must determine if a car has enough gas to make it to the next gas stop.

Do pupils know that the Vietnam War spanned a period of 30 years? A war that long is bound to leave devastating effects. Help young historians develop a comprehensive understanding of the war through multiple units on the subject that...

There is more about the Milky Way that scientists don't know than what they do know—that leaves a lot to discover! A thorough lesson presentation explores the components of the Milky Way Galaxy and their behaviors. 

Why do leaves change color in autumn? A presentation and worksheet walk through many details of photosynthesis. They explain where photosynthesis occurs, why plants are green, the changing colors in autumn, energy usage, and CAM plants.

Global warming is leaving coral reefs in hot water. What does that mean for their survival? Find out as scholars use authentic satellite data to explore the issue. Learners look for global trends in the data and research the effects the...

Why would someone want to leave home? The age-old question is at the center of a thought-provoking activity. Scholars consider why humans move around the world both during pre-historical times and today using a PowerPoint, reading on...

Why do people leave their home countries and come to the United States? How has nationalism affected European nations politically and socially? The answers are complicated. Pupils explore the intricate dynamics using structured questions...