hydrosphere

what can you see?

LET's OBSERVE

Let's start

Let's continue explore the Earth's water

earth spheres!

Why is it important to study water?

Hydro = water

What is this?

hydrosphere

let's compare!

earth vs water ratio

Why is it called Earth is its mainly made of water?

25% soil

75% water

• 70% of the total of the Earth is water.
• Most of the water is in the ocean.
• It can be found in the 3 states.

+ INFO

Characteristics and importance

Hydrosphere

fresh and salty water

Water distribution

It includes the oceans, rivers, lakes, groundwater, and water frozen in glaciers.

Hydrosphere

Water is the main component of the body.

Plant cells store water in vacuoles.

Habitat of many animals.

Basic for all living beings

Water is

We use a lot of water to produce food. 4.500 lt for 300 gr of meat and 50 lt for an orange.

Hydroelectrics produce electric energy from the movement of the water from rivers and waterfall.

agroforestry activity

The water is used to produce things like clothes, food and some other things humans use.

industrial processes

energy

Uses of

WATER

Where does tap water come from?

how it moves on land

water cycle

Complete pages 129, 134 and 135.

book pages

homework

Do you know any examples?

Salty vs. fresh water

How are they different?

are they similar?

oceans, seas and lakes

Differences and similarities

Fresh and salty water

Sea

Ocean

are they different?

Oceans and seas

• Bodies of fresh water that are completely surrounded by land.
• Smaller and shallower than oceans.
• Most of them have fresh water, but some are salty like:
• Qinghai lake, Dead sea and Capian sea.

characteristics

LAKES

+ INFO

Lesspressure

More pressure

Lower Tº less light

Higher Tº more light

Photic and aphotic zone

What factor is the most important in the ocean?

Characteristics

SEA AND OCEAN

Abyssal

Necton

Phytoplanton

Pressure, temperature and light.

how they affect life

Ocean factors

Fill the questions in google classroom.

exploring salinity

science lab

and diverse forms of life

ocean zones

let's compare the two images

Compare and contrast

fill the table

Let's summarize

composition and characteristics of

lakes

in lakes

living beings

+ INFO

Is the rise and fall of the sea water.

tides

ocean

spring and neap tides

types of tides

currents

ocean

• What are the main factors that affect ocean currents?
• What happens to the water in the north pole?
• Which ocean currents affect our Ecuadorian coasts?

questions

Homework

+ INFO

Lorem ipsum dolor

ESCRIBE UN TÍTULO AQUÍ