Vocabulary
Cavemen to Kings
How Stuff Works
Mix
100

trained to be friendly to humans

tame

100

Which of the following is NOT a metal needed to make bronze?
A) iron
B) tin
C) copper

iron

100

Bouyancy makes ships sink.

True or false?

False

100

to grab or tie something

wrangle

200

kind; happy to give things to others

generous

200

Why is a calendar useful?
A) It can help you plan when you want to grow and harvest crops.
B) It can tell you the exact time of day using shadows.
C) It is an easy way of remembering the phases of the Sun.

It can help you plan when you want to grow and harvest crops.

200

Mirrors are usually made with gold or rubber.

True or False?

False

200

A vacuum is a space with nothing in it, not even air.

true or false

true

300

I was ___________________________ to catch the bus. I was going to be
late to school! I ran down the street as fast as I could.

rush

rushing

enroll

enrolling

rushing

300

What is the Darien Gap? Include an extra detail about it.

The Darien gap is a huge area of jungle. It’s very dangerous and full of poisonous animals and swamps. It separates north and south America. It stopped people traveling between the two continents.

300

What are fossil fuels? Give one example.

Fossil fuels are fuels that can be made to create electricity. They are made from remains from millions of years ago. Examples are coal, oil, gas, peat

300

Explain with two details how light helps us see things.

Light goes into our eyes, and because of that, we can see the world around us. Light bounces everywhere. Light from the sun or a lamp bounces off something and goes into our eyes. Then, we can see the things the light bounced off. Pretty much everything bounces light. That’s why we can see it. When it’s dark, there isn’t much light going into our eyes. That’s why things are harder to see!

400

Put on your ___________________________ and get ready to go to bed.

wagon

pajamas

tax

beloved

pajamas

400

Write one detail about the Aztecs. Write one detail about the Incas.

Aztecs: Aztecs lived on a lake. Had armies and were quite brutal. Sacrificed people to the gods.. The capital city is today known as Mexico city. Built farms on lakes. Invented writing. Incas: lived in the Andes, places like Peru, Chile and Bolivia. Called the Romans of the Americas, built many connecting roads, only people to have farm animals

400

Why is a rollercoaster loop-de-loops, and not a perfect circle? Include 2 details.

Loop-de-loops are not perfect circles because that would create too much G force. This would be dangerous.

400

What is a standing army?
A) It’s an army with soldiers that stand around all day.
B) It’s an army of people who are paid to be soldiers.
C) It’s an army made up of farmers and workers.

B

500

Can we ___________________________? I’ll give you my toy car, if I can
have your paintbrushes.

trade

500

Is it easier for people, plants, and animals to travel across a wide continent or a
tall continent? Explain why.

It’s easier to travel across WIDE continents because there are fewer changes in the climate/weather.   es. Also easier and most people could do it, and didn't really need special tools.

500

Explain how a vacuum cleaner sucks up dirt and dust. Include 2 details.

Vacuums suck up dirt by creating an empty space. This space wants to be filled with air and matter, so it pulls things into itself, like dust and dirt. This helps clean floors.

500

Why is it good for countries to trade with each other? Give two reasons. (2 points)

Any of the following or other strong answers: they can become richer, they can share goods, they can share inventions, they can learn more.