5 topics that we will cover this year 1.Introduction to science. (inquiry) 2.Life science 3.Physical...

Preview:

Citation preview

5 topics that we will cover this year

5 topics that we will cover this year

1. Introduction to science. (inquiry)2. Life science3. Physical Science4. Chemistry5. Earth Science

1. Introduction to science. (inquiry)2. Life science3. Physical Science4. Chemistry5. Earth Science

What is LIFE?What is LIFE?

BiologyBiology

Biology – break it into root words?????

Biology – break it into root words?????

BiologyBiology

Biology – study of lifeBiology – study of life

Is fire alive?Is fire alive?

Leave some space, come back at the end and try to answer this.

Six characteristics of life:Six characteristics of life:

Six characteristics of life:Six characteristics of life:

1.Composed of cells2.Living things reproduce3.Grow and develop4.Use and obtain energy5.Respond to their environment6.Homeostasis

Scientist are scepticsScientist are sceptics• A sceptic - someone who questions something.

• fact checker, not ignoramus

• So, who decided what life is?• Is it an accurate system?• Is it possible that life is something different than what

we define it as?

1. Living things are composed of cells1. Living things are composed of cells

All living things have cells

All living things have cells

1. Living things are composed of cells1. Living things are composed of cells

All living things have cells

Cells are never formed by non-living things

All living things have cells

Cells are never formed by non-living things

2. Living things reproduce2. Living things reproduce

All living things die, so reproduction is necessary

2 types: Sexual - two cells from different individuals unite to produce new cell (new individual)

All living things die, so reproduction is necessary

2 types: Sexual - two cells from different individuals unite to produce new cell (new individual)

2. Living things reproduce2. Living things reproduce

Asexual - single organism reproduces without the aid of another.

More simple - some organisms simply divide in two.

Asexual - single organism reproduces without the aid of another.

More simple - some organisms simply divide in two.

3. Living things grow and develop

3. Living things grow and develop

All living things are capable of growth

All living things are capable of growth

4. Living things use and obtain energy

4. Living things use and obtain energy

Living things obtain energy from their environment.

Different types??

Living things obtain energy from their environment.

Different types??

4. Living things use and obtain energy

4. Living things use and obtain energy

Photosynthesis - plant energy from sun

Metabolism - energy from food

Chemosynthesis - energy from chemical sources

Photosynthesis - plant energy from sun

Metabolism - energy from food

Chemosynthesis - energy from chemical sources

5. Living things respond to their environment

5. Living things respond to their environment

Can be fast (behavior), or slow (metabolism or growth)

Can be fast (behavior), or slow (metabolism or growth)

5. Living things respond to their environment

5. Living things respond to their environment

Can be fast (behavior), or slow (metabolism or growth)

Cause of change called stimulus

Can be fast (behavior), or slow (metabolism or growth)

Cause of change called stimulus

5. Living things respond to their environment

5. Living things respond to their environment

Can be fast (behavior), or slow (metabolism or growth)

Cause of change called stimulus

Living things respond in ways that improve chances of survival

Can be fast (behavior), or slow (metabolism or growth)

Cause of change called stimulus

Living things respond in ways that improve chances of survival

6. Homeostasis6. Homeostasis

The processes by which organisms respond to stimuli in ways that keep their body suitable for life

Examples in humans?

The processes by which organisms respond to stimuli in ways that keep their body suitable for life

Examples in humans?

Book: Chemicals of life.

6. Homeostasis6. Homeostasis

The processes by which organisms respond to stimuli in ways that keep their body suitable for life

Humans: warm blooded, sweat, shivering, sickness, waste excretion, etc.

The processes by which organisms respond to stimuli in ways that keep their body suitable for life

Humans: warm blooded, sweat, shivering, sickness, waste excretion, etc.

Is your car alive?Is your car alive?

Is your car alive?Is your car alive?

1.made of cells?

2.reproduce?

3. grow and develop?

1.made of cells?

2.reproduce?

3. grow and develop?

Is your car alive?Is your car alive?

4. Use and obtain energy?

5. Respond to their environment?

6. Homeostasis (maintain there environment)?

4. Use and obtain energy?

5. Respond to their environment?

6. Homeostasis (maintain there environment)?

TomorrowTomorrow

Entry QuestionGroup work.

“It’s alive”

Entry QuestionGroup work.

“It’s alive”

Other aspects of life?Other aspects of life?

All things dieAll things die

If there is time:

Other aspects of life?Other aspects of life?

All things dieBased on DNA

All things dieBased on DNA

Other aspects of life?Other aspects of life?

All things dieBased on DNACommunicate

All things dieBased on DNACommunicate

Other aspects of life?Other aspects of life?

All things dieBased on DNACommunicateOrganization

All things dieBased on DNACommunicateOrganization

Other aspects of life?Other aspects of life?

All things dieBased on DNACommunicateOrganizationGas exchange

All things dieBased on DNACommunicateOrganizationGas exchange

Other aspects of life?Other aspects of life?

All things dieBased on DNACommunicateOrganizationGas exchangeEvolve

All things dieBased on DNACommunicateOrganizationGas exchangeEvolve

Recommended