ESSENTIAL IDEAS 1

Question 1

WHAT IS SCIENCE ?

Answer 1

A PROCESS FOR UNDERSTANDING NATURE AND ITS CHANGES;

1 MAKING OBSERVATIONS (COLLECTING DATA)
2 SUGGESTING POSSIBLE EXPLANATION (HYPOTHESIS)
3 PERFORMING EXPERIMENTS TO TEST EXPLANATION

Question 2

WHAT IS THE SCIENTIFIC METHOD?

Answer 2

A PROCEDURE FOR PROCESSING AND UNDERSTANDING CERTAIN TYPES OF INFORMATION.

Question 3

What is;

1. A HYPOTHESIS?
2. A THEORY (MODEL)
3. A LAW ?

Answer 3

1. A HYPOTHESIS IS AN EXPLANATION FOR OBSERVATIONS THAT ACTVVAS GUIDE FIR GATHERING AND CHECKING INFORMATION.
2. A THEORY IS A SETBOF TESTED HYPOTHESES THAT GIVE OVERALL EXPLANATION FOR SOME NATURAL PHENOMENON.
3. A LAW IS A SUMMARY OF EXPERIMENTAL OBSERVATION THAT DESCRIBES SOME ASPECT OF THE NATURAL WORLD.

Question 4

WHAT ARE THE DOMAINS OF CHEMISTRY?

Answer 4

1. MICROSCOPIC
2. MACROSCOPIC
3. SYMBOLIC.

Question 5

WHAT TYPES OF ERRORS DO WE ENCOUNTER IN SCIENCE?

Answer 5

1.RANDOM AKA INTERMINATE ERROR.
THIS MEANS MEASUREMENT HAS EQUAL PROBABILITY OF BEING HIGH OR LOW.

2.SYSTEMATIC OR DETERMINATE ERROR. THIS OCCURS IN THE SAME DIRECTION EACH TIME. I.E ALWAYS HIGH OR ALWAYS LOW.

NOTE,PRECISION IN QUANTITATIVE WORK OFTEN USED AS INDICATOR OF ACCURACY.

Question 6

HOW DO YOU SYSTEMATICALLY SOLVE PROBLEMS?

Answer 6

1. Where am I going?
2. WHAT DO I KNOW?
3. HOW DO I GET THERE?
   NOTE:TO TRULY UNDERSTAND CHEMISTRY, LEARN TO THINK ON THE ATOMIC LEVEL.