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Science Video Lessons (1,371 video lessons)

Watch simple explanations of Science and related concepts.

Science Questions and Answers (150,630 questions and answers)

Test your understanding with practice problems and step-by-step solutions.

What is electromagnetic induction?
Are earth science and geology the same?
What high school did Marie Curie attend?
What elementary school did Marie Curie go to?
What did Marie Curie study in science?
Was Marie Curie affected by being a woman?
Write a paragraph to explain to a friend how science develops over time. Discuss the relationship between Kepler's laws and Newton's law of universal gravitation.
What is the importance of science education in the present world?
Why is evolution considered a theory?
The variable in a controlled experiment that is purposely changed or manipulated is called the? a. constant controlled variable b. dependent variable c. independent variable

Science Quizzes (3,330 quizzes)

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Scientific Power & Limitations
Differentiated Instruction Strategies for Science
Definition of Science: Quiz & Worksheet for Kids
8th Grade Science Terms
Scientific & Technological Innovations
Science Terms Facts for Kids
Scientific Progress & Mathematics
How Technology & Math Impact Science
Scientific Objectivity & Progress
Connections of Science & Technology

What is Science?

Science is the process of generating knowledge and understanding about the universe based on predictive methodologies and the collection and testing of empirical evidence. There are three main realms of science. The natural sciences explore the physical world and include fields such as biology, chemistry, earth and space science, and physics. Social sciences, such as psychology and anthropology, study society and individuals through quantitative (data-based) and qualitative (descriptive) methods. The formal sciences characterize and study formal systems and abstract structures. There is debate over whether the formal sciences, such as mathematics and logic, should actually fall under the term science because they rely on deductive reasoning as opposed to empirical evidence.

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