This article discusses geologic misconceptions held by teachers and students and provides resources for formative assessment and teaching correct concepts.

This article lists common misconceptions about states and changes of matter and the water cycle. It provides formative assessment probes and information about teaching for conceptual change.

This article describes common misconceptions held by elementary students about the cause of day and night and seasons. The article provides ideas for formative assessment, teaching strategies, and the National Science Education Standards.

This article lists common misconceptions about light, heat, and the sun. It provides formative assessment probes and information about teaching for conceptual change.

This article lists common misconceptions about mammals. It provides formative assessment probes and information about teaching for conceptual change.

This article lists common misconceptions about weather, climate change, and the polar regions. It provides formative assessment probes and information about teaching for conceptual change.

This article lists common misconceptions about weathering, erosion, volcanoes, and earthquakes. It provides formative assessment probes and information about teaching for conceptual change.

Students will recognize that computer science is so important because it can be found in almost every career. Don't wait, start learning how to code today.

This interactive activity for grades 8-12 features eight models that explore atomic arrangements for gases, solids, and liquids. Highlight an atom and view its trajectory to see how the motion differs in each of the three primary phases. As the lesson progresses, students observe and manipulate differences in attractions among atoms in each state and experiment with adding energy to produce state changes. More advanced students can explore models of latent heat and evaporative cooling. This item is part of the Concord Consortium, a nonprofit research and development organization dedicated to transforming education through technology.

Experiment with conductivity in metals, plastics and photoconductors. See why metals conduct and plastics don't, and why some materials conduct only when you shine a flashlight on them.

This article describes six collaborative and real data projects that engage elementary students in collecting and sharing local data and communicating with students across the country and world.

In this video segment adapted from ZOOM, two solar cookers are tested against a control to see which can cook a "s'more" faster.

This video from NASA features the Cosmic Origin Spectrograph (COS), which allows scientists to use spectrographic analysis to assess the composition of intergalactic material.

This article introduces a free online collection of images, video clips, and animations that teachers can use in creating resources for use with students. The four steps in creating a video clip, an animation, or other resource are presented.

With your mouse, drag data points and their error bars, and watch the best-fit polynomial curve update instantly. You choose the type of fit: linear, quadratic, cubic, or quartic. The reduced chi-square statistic shows you when the fit is good. Or you can try to find the best fit by manually adjusting fit parameters.

In this interactive activity from the Building Big Web site, investigate dams in distress and decide if they should be repaired, removed, or left alone.

In this video segment from Cyberchase, the CyberSquad designs an invention that will help them cross a swamp and also reach the top of a tall cliff.

In this video segment adapted from ZOOM, cast members design and build door alarms using a variety of materials, including aluminum foil, batteries, and buzzers.

In this video segment adapted from ZOOM, cast members discover that metal is a good conductor of electricity as they play the steadiness tester game.

In this video segment adapted from ZOOM, cast members make a bridge from a single piece of paper. Will it be strong enough to hold a hundred pennies?