What do engines do?

• They do nothing!

• They make things go (or move)

• They make things stay in one place

• They are AI

How did internal combustion engines improve engines?

• They were larger and efficient

• They were quieter

• They didn't

• It allowed them to be smaller and more efficient.

Organize these Technologies into the right categories

Groups:

(a) Communication

,

(b) Transportation

• Internet

• Model T

• Electric Cars

• Trains

• Television

• Steam Engine

• Photograph

• Cellphones

This was the first thing humans used to move things

• Axle

• Cart

• Rollers

• Wheel

What things have transportation helped us move? (There is more than one answer!)

• Ideas

• People

• Toys

• Food

Watson and _____ invented the first telephone.

Why do you think most people no longer have home telephones?

• Cell phones have allowed us to use phones anywhere

• The prices became too expensive

• They stopped making home phones

• They are banned

What did George Eastman invent?

How did film improve cameras?

• The buttons were bigger.

• It didn't.

• Anyone was now able to take photos (it was much easier)

• the instruction book was easy to read.

Why was the printing press important?

• It helped make books more accessible to everyone

• They were easier and faster to print

• The books felt soft when holding them.

• The books were waterproof