1. Term 1 Topics; Read Aloud 2.0
72-6-3　Sanae Ida

2. Thomas Edison Engineer 1 He invented electric system. Inventor
He had about 400 patents.
In 1876
He established an invention factory.
They did work only on inventions.
Engineer 1
Time: 3：48
WPM: 34.2

3. The Human Eye Rods are sensitive to a small amount of light
Rods are most useful at night
Cones
Cones are larger than rods
Cones are sensitive to color
Light & Vision 2
Time:2：18
WPM: 52.2

4. American Farming Technology
American farmer produced enough food to feed five people
Americans has no incentive the land
Now
American farmer produces enough to feed 56 people
The United States is the world’s largest food producing country
Food & Nutrition 2
Time:2：35
WPM: 54.2

5. Starvation & Overeating
Food & Nutrition 4
Starvation & Overeating
In developing countries
10,000 people died of scurvy due to a lack of fresh vegetables
Between 1846 and 1849, repeated potatoes
In developed countries
Developed countries are rich and have a lot of food, they are damaging health
Until the 20th century, starvation was a threat to developed countries
Time:3：21
WPM: 38.8

6. Scientific Method & Progress of Civilizations
What science brought to humans
Science gave humans a hope for an unlimited future
Science may lead humans into disaster or universe
Humans are using chemistry
European culture has changed the pattern of civilization
Science overcomes diseases
Science 1
Time: 3：00
WPM: 36.7

7. The Atom & its Parts Science 3
Micro
Micro is less than 1 trillionth in diameter
Micro was discovered by physicists
Atom
92 kinds of atoms make 92 kinds of elements
Elements made of atoms make up all usual substances
Time:3：22
WPM: 35.6

8. Molecules Science 4 Molecules are the smallest particles of chemicals
The nature of the molecule
Molecules are the smallest particles of chemicals
A molecule has one or more kinds of atoms
Molecular size
The smallest molecule is a water molecule
The biggest molecule is a complex organic molecule
Science 4
Time: 3：57
WPM: 35.4

9. The Supercontinent Science 5 Time: 4：13 WPM: 52.0
Alfred Wegener
He is a German meteorologist
He found that each continent was originally a continent, later separated
A.L. du Toit
He is a geologist in South Africa
The whole continent of India and the south was part of the supercontinent
Science 5
Time: 4：13
WPM: 52.0

10. Steam Power Machine 1 They discovered that terrible power was created
Galileo, Torricelli, and De Caus
They discovered that terrible power was created
They discovered a way to create a vacuum condition
Basic principle of steam technology
Water turns into steam when it boils
One liter of water will be about 1600 liters of steam
Time: 3：01
WPM: 46.4