Here, we have a collection of science projects, videos and experiments
for various grades and topics.
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.
It show how NWS uses weather balloons in predicting and tracking potential disasters
Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.
You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
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