6. Wheel Diagram
Write a word/s on each spoke that is related to
the word inside the wheel.
water
7. Sources of Water
1.Salt water from seas and
oceans
- most of the water that covers the
earth’s surface is ocean water.
There are many minerals in the
oceans, but salt is the most
common . Salt comes from minerals
that are carried down into the seas
and oceans. This is the reason why
ocean water is salty. ( when salt
water in a basin is placed , water
evaporates into the air, the salt
remains in the basin
8. Sources of Water
1. Salt water from seas and
oceans
- Scientist say that the ocean
produces 805 of the oxygen we
breathe. This is possible because
of planktons, the tiny –releasing
organisms that live in the oceans
and seas.
- Seawater is the habitat of
aquatic plants and animals
9. Sources of Water
2. Fresh water from rivers , lakes ,
and ponds
- it does not contain salt
- It is rainwater that flows from
land into streams and rivers.
- It is usually used for cleaning,
washing, bathing,
and other
household chores
10. Sources of Water
2. Fresh water from rivers ,
lakes , and ponds
- it is easily become
polluted because they
are open.
- People can throw
domestic and industrial
wastes into it
11. Groundwater
- Is kept in a closed container
called the water table.
- This condition prevents it
from becoming dirty
- It is safe from domestic
wastes
- It is safe from poisonous
chemicals
12. Groundwater
- It is safe source of water.
Considered the cleanest
water and contains plenty
of dissolved minerals that
the human body needs.
13. Groundwater
- It is a safe and direct source
of water for cooking and
drinking.
- Most of the subdivisions
and residential areas that
do not have public water
facilities get their water
from groundwater. They
usually have deep well that
provide them water for
their needs
14. Groundwater
- Is kept in a closed container
called the water table.
- This condition prevents it
from becoming dirty
- It is safe from domestic
wastes
- It is safe from poisonous
chemicals
15. Water in the air
- Water moves from
the air to the land,
and from the land to
the air. This
movement of water
between the air and
land is called water
cycle .
16. Water in the air
- Water cycle is a
very important
cycle.
- It goes on all the
time. Without it , life
on Earth would be
impossible
18. Group singing
This is the way we take a bath( 3x)
This is the way we take a bath so early
in the morning
Change take a bath to: water
plants, wash our clothes , clean our
house
20. Activity 8.3: Importance of water
Problem: How does water help us?
What you need:
pictures of the following:
a ship traveling in the sea
a girl drinking water
a pond with animals in it
a family on the beach
21.
22. Activity 8.3: Importance of water
What to do:
1.Get a partner to work with on this activity.
2.Look at the pictures.
3.Study the importance of water in each
picture?
What have you found out?
23. Activity 8.3: Importance of water
What have you found out?
1. What can a ship do? What is the ship dong in
the water? __________________________
2. What is the girl doing? __________________
3. What are the animals doing in the pond?
_________________________________
4. What is the family doing on the beach?
____________________________________
24. Activity 8.3: Importance of water
Conclusion:
What are the uses of water to people and other
living things?
_______________________________________
_____________________________________
_____________________________________
_____________________________________
_____________________________________
_____________________________________
27. Generalization
• Water covers about three-fourths of the
earth’s surface.
• Water comes from different sources. The
different kinds of water are: salt water from
seas and oceans; fresh water from rivers, lakes ,
and ponds; ground water beneath the earth’s
surface; and water in air.
29. Evaluation
A. Write YES if the statement is correct and NO
if it is not. (p.302-A)
B. Answer the following.
1. What are the uses of water to living
things?
2. Why is water cycle important?
