More science projects
A collection of science projects, videos and experiments for various grades and topics.
Science Projects or Science Experiments: Grades 3 & 4
Volcanoes and Earthquakes
These rifts in the earth, spewing lava, gases and ash, are forces of nature that are both a blessing and curse for human civilization.
When the trembling stops, the disaster is only the beginning.
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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