The dynamics of a city can have a drastic effect on the weather. A hands-on lesson asks learners to build a model to illustrate how city pollution provides a nucleus for condensation. The greater the pollution, the greater chance for...

From windows that tint themselves to OLED technology, electrochromic polymers are redefining our ideas about conducting materials! Introduce your chemistry class to the emerging trend with an exciting lab activity. Budding materials...

Prepare scholars for micro and nanoscale investigations. A lab activity allows individuals to practice their experimental techniques while becoming to accustomed to the smaller scale of the materials. They also make decisions about the...

Genetic information transfers through nucleic acids, making these the chemical link that connects people to their parents and grandparents. Viewers determine the importance of both DNA and RNA after observing the presentation. Key...

What's the best way to record temperature over a long period of time? Scholars learn about collection of weather and temperature data by building thermistors in the fourth installment of the 10-part Discover Your Changing World series....

Investigate the different types of pollution that storm drain runoff carries into oceans, lakes, rivers, and streams with this class demonstration. Using an aquarium and an assortment of everyday items that contaminants like motor oil,...

Is this resource a great way for your class to observe bonding between oxygen and hydrogen? OH yeah! Scholars learn about the changes in kinetic and potential energy as molecules of oxygen and hydrogen interact. Kinetic, potential, and...

Identify elements based on the color that they burn! Learners observe flames of various elements. Using diffraction film or a spectroscope, they assign a name to each.

One of the first models of DNA appeared to be a triple helix. Young scientists learn about the many scientists who worked to find the shape of DNA. They observe multiple models, tests, and experiments to understand the conclusions. An...

What did Earth look like 4.5 billion years ago, and what was the climate like then? Scholars explore a view of Earth throughout history. They observe continents moving, temperatures fluctuating, and huge changes in ecosystems. A...

Catch the fast wave. Using a computer simulation, pupils experiment with amplitude, frequency, damping, and tension of a string to determine which affects the speed of the wave. Learners record the observations to determine their...

The life of a tree is the focus of a packet consisting of several activities all covering a different subject. Second graders measure shadows, make pinecone critters, write poems, count rings, complete a word search, play tree tag, and...

Horses come in all shapes and sizes, but all belong to the same species. Young scholars explore the different traits and connect the information to genetic modification. The interactive gives them the option to read about 18 different...

Elementary life science explorers compare and contrast aquatic and terrestrial plants (elodea and soybeans) in a Venn diagram. Some background information is provided to support direct instruction, and general instructions are provided...

Students create and test a hypothesis about cell division. After observation of Frog Egg cell division, students write obervations and refine process and hypothesis. The use of scientific method, group work and inquiry are fostered by...

Sixth graders review how and which plants operate in terrariums. In groups, they follow instructions to make their own terrarium and place different types of plants in it. To end the lesson, they review the steps in the water cycle and...

Challenge your class with these physical science puzzlers, twisters, and teasers. Each individual responds to a series of riddle-style questions that are related to scientific terminology. While this has little educational value, it...

First graders discover plate tectonics. They observe the forces of erosion. They observe the forces of weathering. They state three ways the earth changes. They record observations and make conclusions about their observations.

Students consider the value of keeping a science journal. They make a journal and prepare the first entries.

Young scholars make ice cream following a recipe and make observations about the process of freezing liquids. In this making ice-cream lesson, students mix ingredients in a sealed can and roll it back and forth on a table...

Students use technology and listening skills to explore the sounds of their environment. In this environment observation lesson, students read Polar Bear, Polar Bear, What Do You Hear? in order to identify the sounds in the story; these...

In this anions instructional activity, students are given a table showing nine anions, the test that indicates the presence of each anion, and what will be observed when each substance is added to the anion.

Fourth graders watch the movie "Contact" and write a review. They discuss in their review how scientists deal with technological problems, the movie's connections to the nature of science and how technology affects science. They share...

For this triboluminescence worksheet, students use wint-o-green Lifesavers to observe a chemical reaction that gives off light. They break a lifesaver up with a hammer and make observations and they chew a lifesaver and make...