Fun Science Projects & Experiments

Here, we have a collection of science projects, videos and experiments for various grades and topics.

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Science Projects or Science Experiments: Grades 3 & 4

Climate, Weather and Weather Balloons

Our World: What is Weather?
This NASA video segment focuses on the relationship between weather and climate.
Learn more about the interconnectedness of heat, air pressure, winds, and moisture to produce local weather.

Climate & Weather
NASA Connect segment explaining the difference between weather and climate.
The segment explores what factors determine weather and how climate is affected by the weather.

Weather & Meteorology : What Does a Weather Balloon Do & Measure?
A weather balloon is used by the National Weather Service to measure air temperature, barometric pressure and humidity. Learn about the instruments attached to a weather balloon with help from a meteorologist in this free video on understanding weather.

Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
Mathway Calculator Widget

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