Unit 9 When was it invented?

Section A

Let's review the new words发明

→n.

v. inventor invention

calculator n. 计算器

scoop n./v. 勺子，用勺子舀

adjustable heels 可调整的鞋跟battery n. 电池 pl. batteriesoperate v. 操作，手术 →n

.operation

slipper n. 拖鞋heat v. 加热light bulb microwave oven

The ________ ________ many _________ all his life.inventor invented inventionsinvent

电灯泡微波炉

What’s this?When was the car invented?It was invented in 1885 .It was invented by Henry Ford.Who was it invented by?

a car1885

What's this?When was it invented?Who was it invented by?

Telephone1876Bell

calculator1971Pascal ['pæskəl]

computer TV1976 1927

Edward Roberts Baird

What's this?When was it invented?Who was it invented by?

What are they?

battery-operated slippersWhat are they used for?seeing in the dark

Who were they invented by? Julie Thompson

What are they?

Shoes with adjustable heels

What are they used for?Changing the style of the shoesWho were they invented by?Jayce Coziar and Jamie Ellsworth

What is this?heated ice cream scoop

What is it used for?scooping really cold ice cream

Who was it invented by?Chelsea Lanmon

Listen and number the inventions in the order you hear them.

1 23

2b.Listen again and match the items in columns.

Invention Who was it/ were they invented by

What is it/ are they used for?

shoes with adjustable heels

Chelsea Lanmon scooping really cold ice cream

battery-operated sneakers

Jayce Coziar and Jamie Ellsworth

seeing in the dark

heated ice cream scoop

Julie Thompson changing the style of the shoes

microwave oven alarm clock

light bulb

Hate it or like it? and why?

What do you think is the most helpful/annoying invention?

Name Helpfulinventions

Why Annoying inventions

why

Practice conversations like thisA: What do you think is the most helpful/annoying invention?B: I think the most helpful invention is…A: Why is that?B: Well, it gives/helps people…

I don't like the alarm clock.I think it’s an annoying invention.Because it wakes me up when I’m sleeping.I like the computer.I think it's the most helpful invention .Because it helps me search the information that I need.

Report like this:

What do you think is the most helpful/annoying invention?

Name Helpfulinventions

Why Annoying inventions

why

I don't like the alarm clock.I think it’s an annoying invention.Because it wakes me up when I’m sleeping.I like the computer.I think it's the most helpful invention .Because it helps me search the information that I need.

可调鞋跟的鞋电池操作的拖鞋加热的冰激凌勺子舀很冷得冰激凌改变鞋的样式钢笔用来写字的。 电话是谁发明的 ? 它是由 Bell 发明的。计算机是什么时候发明的？它是 1976 年发明的。微波炉是做什么用的 ? 它是用来加热食物的。你认为最有用的发明是什么？我认为最有用的发明是电灯泡。它能够每天给人们更多的时间工作和玩。

Crazy inventions

used for dancing

used for driving and flyingused for walking and singingused for living and walkingused for driving in the sea

used for driving