What is Weather?

Stir chocolate drink mix into hot and cold water to see if there is a difference in how quickly it dissolves. Number three in a six-lesson unit on dissolving, this installment investigates the effect of temperature. If you consult the...

How does heat move from one item to another, even when the items are in different states of matter? Pupils experiment with adding washers to hot water and adding hot washers to room temperature water to observe the heat transfer. 

Environmentalists test stream water for temperature, pH, and turbidity. Each group shares their information and then the class makes an overall evaluation of the water quality. A slide show sets the backdrop for the teaching portion and...

Transform your classroom into a fully functioning weather station with this series of hands-on investigations. Covering the topics of temperature, precipitation, wind patterns, and cloud formation, these activities engage young...

Here is a hands-on activity in which junior scientists put air into a balloon to create a closed system. They measure its circumference, warm it in hot water, and then remeasure its circumference to discover how temperature affects the...

Questions about water, weather, geology, astronomy, and the scientific process make up this Jeopardy game. It is a pretty well-rounded set of slides, although you may want to be aware that a few of the questions are specific to the state...

Middle school chemists visit interactive websites in order to discover what happens to molecular motion when heat is added to matter. They conduct an experiment that demonstrates the expansion of matter with the addition of heat. A lab...

Introducing your class to weather concepts is a breeze with this fresh film! It differentiates between weather and climate, describes the factors that affect weather (temperature, air pressure and humidity), and displays Earth's climate...

Get lost at sea amid colorful ocean currents! Learners discover the patterns of movement and temperature in the North Atlantic's currents through a simulation, part of PBS's Weather and Climate series. The resource contains background...

Students create predictions on what they believe happen to reaction rates when temperature is raised. They use hot, cold, and room temperature water for this experiment and observe the differences. They graph their observations and...