Light My Fire

Warm up to the idea of solar energy. A lesson includes three activities that challenge scholars to apply knowledge in new ways. First, they learn to run an alarm clock without a battery by using solar energy. Next, they complete an...

I can burn off one scrambled egg in 30 minutes of walking? Explain how we daily consume and burn calories using this fun worksheet, which breaks down basic foods and activities into kilocalorie equivalents. Nutritionists calculate the...

Survey the metabolism process from respiration through the production of the ATP molecule with this seven page AP biology worksheet. Pupils write short answers on the lines provided and label a diagram of the cellular respiration...

How many types of energy can you name? A video introduces all 10 types of energy and gives a brief explanation of each. 

From burning wood for heat to riding a bicycle, converting one form of energy into another is an everyday process! Using a video clip, learners discover the sources of the thermal, mechanical, and electrical energies that make our lives...

People associate calories with food, but what is a calorie? Young scientists measure the number of calories in samples of food to better understand the concept. They test a variety of samples, take measurements, and compare their results...

Any work with light, lenses, lasers, or mirrors is called optical engineering. Optical engineers bend and bounce light to make it useful for humans. Examples are telescopes, invisibility, nanomedicine, and solar energy. This...

What is energy, anyway? Use this featurette as an introduction to your middle school energy unit. It successfully touches each of Earth's physical systems, the sun as our main source of energy, and the flow of energy through the food...

Illuminate your physics class with this examination of a photovoltaic cell. Teach the structure and operation of the device using a diagram. Then make a human-powered, larger-than-life sized model of a PV cell. Learners become electrons...

Work, energy, and their relationship to power: what is the common thread? Explore this with your class as they learn the concepts of work and energy, both kinetic and potential, before completing multiple practice problems to...