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Resource Library

Writing a Hypothesis

K to 3, Grades 4 to 6, Grades 7 to 9, Grades 10 to 12, Inquiry

This YouTube video, by a teacher, explains the purpose of a hypothesis and how to construct one.

Theory vs. Hypothesis vs. Law… Explained!

K to 3, Grades 4 to 6, Grades 7 to 9, Grades 10 to 12, Inquiry

This YouTube video, from It’s Okay to Be Smart (PBS), explains the difference between the terms fact, theory, hypothesis and law in science.

Creating testable questions

K to 3, Grades 4 to 6, Grades 7 to 9, Grades 10 to 12, Inquiry

This YouTube video, from teacher Courtney Mann, has information about creating well-defined, testable questions.

Controlled Experiments

K to 3, Grades 4 to 6, Grades 7 to 9, Grades 10 to 12, Inquiry

This YouTube video, from Simple Science by Mark Drollinger, shows how controlled experiments are done using an example with plants.

Accuracy and Precision

K to 3, Grades 4 to 6, Grades 7 to 9, Grades 10 to 12, Inquiry

This YouTube video, by Region 10 ESC, explains the difference between accuracy and precision..