Cellular respiration and photosynthesis relate closely, but many don't realize how. Scholars drag and drop the reactants and products to the chemical reactions for both processes. Then they answer three multiple-choice questions.

Nitrogen is an essential element for productive farming. An interactive lesson explores the chemical makeup of different fertilizers and their corresponding nitrogen content. The interactive challenges individuals to complete...

Research how DNA, the genetic blueprint of living organisms, plays an essential role in the continuity of life. High schoolers will summarize how their influence may very well effect the destiny of the population from one generation to...

Twenty-four questions about matter, the states of matter and the properties of matter make up this interactive online instructional activity. Your class will determine the volume of water, the shape of water and the shapes of matter.

Use this attractive PowerPoint to introduce all the hormones and their functions to your students. As students view each slide, they should be able to see the relevance of many of the chemicals and their interaction with the human body....

Cell division and all the biological aspects of activation and chemical signals are detailed here. Cyclin, G phases, cell growth, and cancer checkpoint control systems are explained and the triggers listed. The slides are very clear and...

Why does some ink bleed through paper, and other ink doesn't? Practice some paper chromatography to separate the colors from a pen with an interactive experiment for middle and high schoolers. Learners use a variety of solutions to track...

Polluted air contains more than 200 chemicals that age the skin, causing urban women to appear 10 percent older than their rural peers. An interesting interactive connects air pollutants and related data. Scholars work their way through...

By measuring the wavelength, frequency, and intensity of electromagnetic radiation, scientists determine the temperature, density, and composition of far away items. Scholars rotate through ten lab stations using a spectroscope at each...

Students conduct qualitative and quantitative investigations based on the interaction between water and various polymers. They determine the percent moisture contained in various plastics along with a qualitative procedure to determine...

Students investigate temperature using the TI. In this chemistry instructional activity, students analyze the change in temperature, as chemicals are dissolved in water. They analyze data collected using the CBL 2.

In this interactive Internet  assignment, physical science investigators answer 11 questions about the atom, the subatomic particles, and atomic structure. They can click on "Reveal Answer" to discover if they are correct. They also...

A highly informative presentation focuses on healthy diets, food facts, the food pyramid, and healthy eating myths. There is a lot of great information in this PowerPoint, and a really fun interactive component. Perfect for your upper...

Teach young environmentalists to protect their planet's resources with a set of interactive experiments. Kindergartners and other youngsters learn about watersheds and the water cycle, while older elementary learners focus on fertilizer...

Searching for a way to integrate multiple concepts of energy conversion while captivating a middle school audience? This lesson presents topics related to potential and kinetic energy and offers the ability to allow...

Neurons send electrical signals throughout a body based on chemical communication. Individuals stimulate a neuron to see the effects. They notice the sodium-potassium channels along with ions, concentrations, and a membrane potential...

The propellant needed for space explorations runs in the thousands, while paying to get the craft into orbit costs millions! In the second installment of three, two activities explore laws of conservation of energy and momentum. Using...

What goes into a museum display? A secondary-level STEM project prompts groups to design a museum display for the Tech Museum of Innovation. They create an analogous, interactive model illustrating a science concept to complete the...

Is your acid-base chemistry lesson plan a little ho-hum? Spice things up with puzzles! Young chemists manipulate facts about acids and bases to solve a series of interactive puzzles. The activity combines content knowledge and...

Precipitation reactions are always interesting. How about one that forms a precipitate using a gas? Chemists of any age will enjoy this twist on a standard solubility lab. Partners observe the lack of interaction between sodium...

The most important chemical process on Earth is photosynthesis. Scholars explore the changes in the gases in our atmosphere as life on Earth developed. They create a model of photosynthesis and consider simple questions.

How does temperature affect lipase activity? Young scholars conduct an experiment to collect data on the interaction of lipase at different temperatures. They add lipase to a solution of milk, sodium carbonate, and phenolphthalein and...

Bioenergetics strives to describe how living things gain and transform energy for biological purposes. First, pupils learn about the types of energy before exploring the importance of energy in biological processes. Next, they discover...

Does a protein or DNA store genetic instructions for life? Follow the research from the 1920's experiments on mice through the 1940's experiments on bacteria to learn the answer to the difficult question. Scholars use an online...