What is Science?

Chapter 1

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Science is a way of learning about the natural world and knowledge gained through the process.

Key Idea #1

As scientists understand the natural world, they use skills such as observing, inferring, and predicting.

Observing, Inferring, Predicting

  • Observing is using your senses to gather information.
  • Inferring is making an educated guess based on observation.
  • Predicting is making a forecast of what will happen in the future based on past evidence.

Science Inquiry

A science inquiry is asking questions about what you observe.

Key Idea #2

Scientific inquiry refers to the many ways in which scientists study the natural world and propose explanations based on the evidence they gather.
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Energy is the ability to do work or cause change.

Key Idea #3

The Earth system has 4 main parts: atmosphere, hydrosphere, lithosphere, and biosphere.


Matter makes up EVERYTHING in the universe.

Key Idea #4

Energy can be transferred from place to place by moving objects, waves, or heat flow.

Key Idea #5

When any accident occurs, no matter how minor, notify your teacher IMMEDIATELY.