Chapter 1What is Physical Science?

Introduction

____________ is a way of learning about the natural world by gathering information.

Our “Science Question of the Year” is _________.

The Study of Matter and Energy

What is physical science?

Physical Science is the study of _______, _________, and the changes they undergo.

Matter is anything that has mass and occupies space.Energy is the ability to do work or cause a change.

The Study of Matter and Energy

Physics is the study of matter and energy and how they interact.

Physics deals with _________ and _________ an how they are related.

Other topics within Physics are:SoundLightElectricityMagnetism

The Study of Matter and Energy

Physical Science is divided into two main areas of study : _____________, ______________

Chemistry is the study of the properties of matter and how matter changes.

Review Question- What is matter?

What kind of jobs do a chemist have?

How Scientists Think

Scientists use skills of OBSERVING, INFERRING, and PREDICTING to learn more about the natural world.

Observing

Observing is using one or more senses to gather information.

The five senses are:__________ ____________________ ____________________

How Scientists Think

There are two types of observations

Qualitative observations- descriptions that do not involve numbers of measurements

i.e. – ______, _______, _______, ______

Quantitative observations – measurements using numbers

i.e. – ______, ______, _______, _______

How Scientists Think

InferringOur explanations of our observations are called our inference.

Inferring is the explanation or interpretation of the things you have observed.

Inferences are based on reasoning from what you __________know

Inferences can be very misleading and/or incorrect

How Scientists Think

PredictingPredicting is making a forecast of what will happen in the future based on past experience or evidence.

!!! If you are predicting without experience or evidence then you are guessing !!!