aim: what is classifying? vocabulary: classification levels (tiers)

AIM: What is Classifying?

AIM: What is classifying?

VOCABULARY:

Classification

Levels (tiers)

AIM: What is Classifying?

Objectives:

1. You will be able to explain why classification systems are important.

2. You will be able to demonstrate your understanding with a dichotomous key.

AIM: What is Classifying?

Question:

How many different types of music are there?

Rap, classic …

Country, heavy metal …

Rock, dance …

Hip hop, children’s …

AIM: What is Classifying?

Question:

Could you imagine shopping at a music store which did not separate their CD’s by type?

Or artist

But just left them in a pile!

AIM: What is Classifying?

IMAGINE:

Shopping at a shoe store where boys, girls, men, women’s and kids shoes were all mixed together?

Would it work?

Would you go back?

How are shoe stores typically classified?

AIM: What is Classifying?

Why do Scientists Classify?

To make things easier

To groups things

AIM: What is Classifying?

AIM: What is Classifying?

Classification:

1. organization into groups or categories.

2. Categorization of a population by common characteristics which the population has or does not have.

3. Make sure characteristics are observations and not inferences !

AIM: What is Classifying?

INSECTS

AIM: What is Classifying?

INSECTS

Those with wings

Those without wings

Two Two Group Group SystemSystem

AIM: What is Classifying?

INSECTS

Those with wings

Those without wings

Two Two Group Group SystemSystem

AIM: What is Classifying?

Animals

AIM: What is Classifying?

Animals

Animals with 4 legs

Animals with 2 legs

Three Group System

With no legs

AIM: What is Classifying?

Animals

Animals with 4 legs Animals

with 2 legs

Three Group System

With no legs

AIM: What is Classifying?

Animals

Animals with 4 legs

Animals with 2 legs With no legs

With Tail No Tail

wingsNo wings

gills No gills

3 groups

2 Levels

AIM: What is Classifying?

Animals

Animals with 4 legs

Animals with 2 legs With no legs

With Tail No Tail

wingsNo wings

gills No gills

3 groups

2 Levels

AIM: What is Classifying?

Animals

Animals with 4 legs

Animals with 2 legs With no legs

With Tail No Tail

wingsNo wings

gills No gills

3 groups

2 Levels

AIM: What is Classifying?

Animals

Animals with 4 legs

Animals with 2 legs With no legs

With Tail No Tail

wingsNo wings

gills No gills

3 groups

2 Levels

AIM: What is Classifying?

Insects

have wings

Wings fold over body

No wings

Wings don’t fold

Antennae No antennae

2 groups

2 Levels

AIM: What is Classifying?

Insects

have wings

Wings fold over body

No wings

Wings don’t fold

Antennae No antennae

2 groups

2 Levels

AIM: What is Classifying?

Insects

have wings

Wings fold over body

No wings

Wings don’t fold

Antennae No antennae

2 groups

2 Levels

AIM: What is Classifying?

INSECTS

Those with wings

Those without wings

You want to title each groups or level with descriptive observations – not just examples.

AIM: What is Classifying?

Class Activity

WS1 WS2

AIM: What is Classifying?

Homework:

INTERNET QUESTIONS

WRITE A PARAGRAPH SUMMARIZING

THE AIM USING THE VOCABULARY