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Презентация на тему по английскому языку на темуIt's interesting to know WHY...(8 класс)

Why does the moon change its shape?Why doesn’t it hurt when I cut my nails or hair?Why do camels have humps?Why do some people became bald ?Why does furniture make noises at night?Why do leaves change
Why? Why does the moon change its shape?Why doesn’t it hurt when I Why does the moon change its shape?	The moon does not its shape. Why does the moon change its shape?	Sometimes we can a lot of Why doesn’t it hurt whenI cut my nails or hair?	It doesn’t hurt Why doesn’t it hurt whenI cut my nails or hair?	But when you Why do camels have humps?	Most camels live in deserts where it is Why do camels have humps?	There are two main kinds of camels. Arabian Why do some people became bald ?	Some people lose their hair when Why do some people became bald ?	Usually baldness is passed through the Why does furnituremake noises at night?	It is late at night. You are Why does furnituremake noises at night?	Your furniture gets a little bigger during Why do leaves change      colors in autumn?	In Why do leaves change      colors in autumn?	Then Thank you for your attention!
Слайды презентации

Слайд 2 Why does the moon change its shape?
Why doesn’t

Why does the moon change its shape?Why doesn’t it hurt when

it hurt when I cut my nails or hair?
Why

do camels have humps?
Why do some people became bald ?
Why does furniture make noises at night?
Why do leaves change colors in autumn?


Content :


Слайд 3 Why does the moon
change its shape?
The moon

Why does the moon change its shape?	The moon does not its

does not its shape. it only looks like it

does!
The moon the shaped like a ball. It is very dark, without any light of its own. But the sun nearby is very bright . The sun shines on the moon. Then the moon acts like a mirror and reflects, or bounces back, the light of the sun. What we call moonlight is really the sun is light bouncing off the moon.

Слайд 4 Why does the moon
change its shape?
Sometimes we

Why does the moon change its shape?	Sometimes we can a lot

can a lot of the moon/ At other times,

we can see only on little. This is because every 28 days the moon goes around the earth. We see a different part of the moon as it moves around us. When we see a full moon , the front side of the moon faces us. It looks like a big circle in the sky. But when we look at a crescent moon, we see only a tiny shining sliver of the whole moon.The rest of the moon is there, but it is hidden in darkness.

Слайд 5 Why doesn’t it hurt when
I cut my nails

Why doesn’t it hurt whenI cut my nails or hair?	It doesn’t

or hair?
It doesn’t hurt you cut your nails or

hair because nails and hair do not have any nerves in them. And nerves help us to feel pain.
When your foot touches the hot water in your tub (OUCH), the nerves in your body carry a massage of pain to your brain. Your brain «tells» you to quickly move your foot away from the hot water. This give-and-take happens faster than you can blink your eyes!

Слайд 6 Why doesn’t it hurt when
I cut my nails

Why doesn’t it hurt whenI cut my nails or hair?	But when

or hair?
But when you cut your fingernails or toenails

or get a haircut, it doesn’t hurt at all. There are no nerves in your nails and hair to carry a message to your brain, so you can not fell any pain.

Слайд 7 Why do camels
have humps?
Most camels live in

Why do camels have humps?	Most camels live in deserts where it

deserts where it is hot and dry and sandy

Food and water are hard to find. Camels need to carry supplies of food with them as they travel across the sand. These special supplies are in the humps on their backs!The humps are large of fat that give the camels energy when food it far away. Other animals store fat it their bodies too. But only camels keep most of their fat in a hump.

Слайд 8 Why do camels
have humps?
There are two main

Why do camels have humps?	There are two main kinds of camels.

kinds of camels. Arabian camels have one hump. They

live among the desert people of Africa and Asia. Bactrian camels have two humps. They can be found in Mongolia and other parts of Asia.

Слайд 9 Why do some people became bald ?
Some people

Why do some people became bald ?	Some people lose their hair

lose their hair when they get sick or when

they do not eat enough.
But most people become bald because they have fathers or grandfathers who became bald, too. Baldness runs in families .
Just like blue eyes or curly hair, baldness in something that parents can pass on to their children.

Слайд 10 Why do some people became bald ?
Usually baldness

Why do some people became bald ?	Usually baldness is passed through

is passed through the mother is side of the

family. So if your mother is father (your grandfather) is bald, chances are you could be bald one day too.
But if you are a girl ,don’t worry, since men are more likely to lose their hair than women are.

Слайд 11 Why does furniture
make noises at night?
It is late

Why does furnituremake noises at night?	It is late at night. You

at night. You are lying in your bed trying

to go to sleep. Then out of the stillness, you hear a noise.
CREAK!
It sounds very loud and bit scary! But don’t worry. There is a good reason for that noise.
During the day, the heat from the sun warms everything. At night, things cool down again.

Слайд 12 Why does furniture
make noises at night?
Your furniture gets

Why does furnituremake noises at night?	Your furniture gets a little bigger

a little bigger during the day when it is

cooler. When this happens, a part of a chair or a table may suddenly slip a little. And…. CREAK!
Houses and furniture make noises during the day, too. But we can hear the noises much more easily at night when it is quieter.


Слайд 13 Why do leaves change

Why do leaves change   colors in autumn?	In spring and

colors in autumn?
In spring and summer, most leaves

are green. A special coloring called chlorophyll gives them their green color.
When autumn comes, the heaves are ready to fall from the trees. Their stems begin is break away from the branches.
Then the leaves cannot get much of the water that comes up from the roots of the trees. Without water, the leaves green color fades away.


Слайд 14 Why do leaves change

Why do leaves change   colors in autumn?	Then other special

colors in autumn?
Then other special colors, or pigments,

hidden in the leaves can be seen. Oak leaves changes from green to brown. leaves on a sweet gum tree turn a bright red color. Maple leaves turn different shades of yellow or red.

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