Electrical Circuit

Now that we've learned about voltage, current and resistance,
we can try to understand an electrical circuit.

Remember what we've learned already by comparing electricity to water flowing through a pipe:
Voltage - The speed of the water flowing through
Current - How big around the pipe is
Resistance - A part where the pipe gets smaller and makes it tougher for water to get through

When people draw pictures to represent electrical circuits, they use special pictures and letters:

(from: wikipedia - electrical circuit)

v with the circle and +- in it stands for voltage.
i with an arrow stands for current
R with the zig-zag lines stands for resistance

So if you think of it like a water hose, the faucet is starting at v and the voltage
is how much you've turned on the faucet. Just a drip or full blast?.

The current i is for how big around the hose is.
Is it just a regular garden hose, or a big fire truck hose?

The resistance R is if there are any kinks in the hose,
or if anything is stuck in the hose.

You can see that all those things together make the water come out of the end of the hose really fast or really slow!

Chameleon

Can you move your right eye without moving your left one?
Can you cross your eyes?
Can you have one look up and the other look down?

A chameleon can do all of these things!

(from: wikipedia - chameleon)

There's no hiding from a chameleon, even if you're standing behind, above or under them, they can move their eyes and see you.

And if you're a bug, they use their super long tongue to reach out and grab you for lunch!

Chameleons are great at hiding too, when a bigger animal comes along.
They can change their body to all sorts of colors!

(from: wikipedia - panther chameleon

Facial Skeleton

Remember we already learned that the head bone or human skull is called the cranium,
and that the part in the back of your head that holds your brain is called the neurocranium

The part in the front that has your face is called your facial skeleton, viscerocranium or splanchocranium.

(from: wikipedia - facial skeleton)

It's everything from your forehead to your nose to your cheeks and mouth.

Greenland

We just learned a little about the Central American Countries.

If you go North and East from the US or Canada, you will find a country called Greenland.

(from: wikipedia - greenland)

It is an island, and the largest island on the Earth that is not considered a continent.

At over 800,000 square miles, Greenland is larger than the largest US state Alaska (under 700,000),
but with less than 57,000 people, it's less populated than the least populated US state Wyoming. (over 500,000)

This is mostly because almost all of Greenland is covered in a big sheet of ice!

Old Testament

We just learned a little about the Old Testament and New Testament.

The Bible can seem like a really huge book if you look at the whole thing.

But if you can look at it and can understand the different parts, it can be less confusing.

The Old Testament can be looked at in four sections:
Law, History, Poetry, Prophecy

There are 5 books of law, 12 books of history, 5 books of poetry,
5 books of major Prophets, and 12 books of minor prophets.

We'll learn more about these next time!


(from: wikipedia - old testament)

Uranus

We just learned a little about Saturn.

Uranus is the third biggest planet in the solar system and almost the furthest from the sun.
It is over 14 times bigger than Earth

(from: wikipedia - uranus)

The most interesting thing about Uranus is the way it rotates or spins.
The way Earth and the other planets spin around, you can think of them like spinning tops orbiting the sun.

But Uranus doesn't spin like a top, it acts more like a ball rolling on the ground.
The orbit is completely sideways!

This means that for half of it's year, it's South Pole is facing the sun,
and for the other half, it's North Pole is facing the sun.

Since a year on Uranus is 84 Earth years long, that means it's sunny in the North Pole for 42 years!

French - They are excited

We've now learned how to say I am happy,
you are sad and he is angry in French.

Now let's learn how to say They are excited.

We can break it up into the three words:
They - Ils - sounds like eels /?/
are - sont - sounds like sown /?/
excited - excité - Sounds like ex-ee-tay /?/


All together Ils sont excité sounds like eel-sown-ex-ee-tay.