Water Pollution

United Nations says that water pollution is now a serious problem.

This is a disaster.

We may not have clean water to drink!

Water pollution is dirty water because people throw rubbish in the water.

Factories throw dirty water and sometimes toxic waste into the rivers and lakes.


The oil from the ships and boats also pollute the water.


Sometimes there are not much oxygen in polluted water.

So the fishes cannot breathe and die.

There are lots of kinds of germs inside the water that is polluted.

Water pollution caused Cholera, diarrhoea, food poisoning, some skin diseases and other health problems.

Animals, human and plants can die because of diseases caused  by polluted water.

Acid rains also pollute the rivers, lakes and seas.

Acid rains are caused by air pollution.

We must stop throwing rubbish in to the water.

We must invent boats and ships that won’t pollute the water.

We must treat the water that we use at homes and factories before sending them to the river.

We must clean the polluted rivers and lakes.

We can use protozoa to eat the bacteria in the polluted water.

I want people to stop polluting the water and stop polluting our earth.

Viruses

virus

Viruses (vy-rus-iz) are very tiny micro-organisms.

Viruses are even smaller than bacteria.

Viruses can only grow and reproduce inside their hosts.

Humans, animals and plants are their hosts.

Peppers effected by viruses

Most viruses cannot live long outside their hosts.

Some viruses can spread very fast inside our body.

They can make us sick.

Measles, chicken pox, polio, mumps and flu are caused by viruses.

H1N1 virus causes Influenza A(H1N1).

AIDS is caused by HIV virus.

HIV viruses in green colour

Viruses can also make plants and animals sick.

Viruses also effect bacteria.

Viruses that effect bacteria are called bacteriophage

Anyway viruses that effect plants cannot effect animals and human.

Viruses that effect human cannot effect plants and animals.

We use viruses to make vaccines.

Vaccines help our body to fight diseases.

Anyway these viruses are not the same as computer virus.

Computer viruses are not living things.





Protozoa


A Type Of Protozoa In A Bone Marrow Cell

Protozoa (pro-to-zoh-uh) are one-cell micro-organisms.

Protozoa are something like animal.

They often spread diseases through water.

They also spread diseases through insects like malaria.


Protozoa that caused malaria


Anopheles mosquito spread malaria.

Protozoa is very important because they help to balance the ecosystem.

Protozoa are important in food chains too.

Protozoa eat algae and bacteria; then they are eaten by animals and those animals are eaten by other animals and so on until they die and eaten by bacteria and the bacteria are eaten by protozoa 🙂

Bacteria

Bacteria are tiny one-cell micro-organisms.

They can reproduce inside or outside their hosts.

Their hosts are people, animals and plants.

Like other germs, bacteria don’t make their own food.

There bad bacteria and good bacteria.

Bad bacteria can cause eye infection, cholera, tuberculosis (TB) and others.

A bacteria named Salmonella can caused something like a very bad food poisoning.

Salmonella

They are sometimes found in eggs and peanut butter.

There are very dangerous bacteria named super bugs.

A type of super bug

Super-bugs are very difficult to be killed.

Super-bugs are usually found in hospital.

My grandfather was infected by super bugs when he was sick in UKMSC a few years ago.

The doctors said that I cannot visit him at that time because super bugs are even more dangerous to kids.

Good bacteria in our tummy keep us healthy by helping us to use nutrients from the food we eat.

We use good bacteria for making cheese and yoghurt.

A type of bacteria used to make cheese

Cheese and yoghurt are healthy food.

We also use good bacteria to make medicines and vaccines (vak-seens).

Medicines and vaccines help us to fight germs so that we can be healthy.

Uncle Azahar taught me that some bacteria can be bad bacteria if they are moved from their original site.

Fungi

Fungi (fun-guy) are multi-cell plant like organisms.

That means fungi are made by many cells.

Fungi are different from plants because fungi cannot make their own food.

They take their food from plants, animals and human.

Fungi live in damp and warm places.

Athlete Foot Is A Fungi Infection

Athlete foot and ringworm are caused by fungi infection.

Animals can get ringworm too.

Fungi can make human, animals and plants sick.

Fungi grew on my roselle plant and killed it.

Some fungi are poisonous but some are not.

Not all fungi are bad.

We can eat some fungi like mushroom.

button mushroom

Mushrooms are delicious and good for us.

Anyway some mushroom are poisonous.

Yeast is a type of fungi.

We use yeast to make pizza dough and bread.

A type of yeast that is used to make bread under a microscope

We also use fungi in the fermentation of soy sauce.

What Are Germs?


Germs are tiny living things that can make us sick.

They can make plants and animals sick too.

But some of them are good and useful.

We need  to use a microscope to see them.

Germ Under A Microscope

Germs do not make their own food.

They get their food from their environment.

Environment means the surrounding or where we live.

Bad germs produce toxins which is something like poison.

The toxin can make us sick.

So when bad germs get into our body; they eat our nutrients, reproduce and make us sick.

Influenza A(H1N1) and AIDS are caused by germs.

There are 4 types of germs:

1)Fungi (fun-guy)

0

Mushrooms are fungi

2)Bacteria (back-teer-ee-uh)

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Bacteria That Look Like Capsules

3)Protozoa (pro-toh-zoh-uh)

Protozoa That Look Like Capsules With Green Leaves Inside

4)Viruses (vy-rus-iz)

A Virus That Looks Like A Spider With Jewel Head

Fungi are the biggest and viruses are the smallest.

Germs love to grow in dirty places and spreads very fast after a big flood, tsunami, earthquake and wars.

After natural disasters there will be cholera outbreak and other diseases from bacteria infections.

To fight germs we have to keep ourselves and our environment clean.

Always wash our hands using anti-bacteria soap and clean water, eat healthy food and drink a lot of water, juices, tea, herb tea and other healthy drinks.