Sciences
Biology is the study of life, including its structure and evolution.
Biologists study how life survives and reproduces.
Chemistry is the study of matter, including the structure of atoms and molecules.
Chemists study how various substances interact with each other.
Astronomy is one of the oldest sciences.
Astronomers study the structure and evolution of the universe, including the study of stars, planets.
Geology is the study of the structure and history of the Earth and other planets.
Geologists study different types of rocks, earthquakes and different layers of the Earth.
Mathematics is the study of numbers, shapes, patterns and change. Mathematics is used by all other branches of science.
Exercise:
1.— Who study how life survives and reproduces?
— Biologists study how life survives and reproduces.
2. — Who study the structure and evolution of the universe？
— Astronomers study the structure and evolution of the universe.
3.— What is the study of numbers, shapes, patterns and change?
— Mathematics is the study of numbers, shapes, patterns and change.
4. Geologists study different types of rocks, earthquakes and different layers of the Earth.
5. Mathematics is used by all other branches of science.
Repeat & Read Sentences:
1. Astronomy is one of the oldest sciences.
2. Biologists study how life survives and reproduces.
3. Astronomers study the structure and evolution of the universe, including the study of stars, planets.
4. Chemists study how various substances interact with each other.
Disasters
Here are some types of terrible events that hurt or kill people.
Earthquakes are caused by forces deep within the Earth.
During earthquakes, many people are often killed by collapsing buildings and bridges.
Floods happen when rivers rise and overflow their banks.
Floodwaters damage or destroy many houses and businesses.
Fires destroy buildings, land and forests.
There are many causes for fire, including lightning.
In a hurricane, high winds destroy buildings and sometimes cause flooding.
Some hurricanes have winds of more than 200 miles an hour.
Car accidents happen when cars collide or when drivers lose control of their cars.
One of the main causes of car accidents is driving too fast.
Exercise:
1.— What happens when people drive too fast?
— One of the main causes of car accidents is driving too fast.
2.— What are caused by forces deep within the Earth?
— Earthquakes are caused by forces deep within the Earth.
3. — What happens when people are not careful with fire?
— When people are not careful, they can start fires that can cause a lot of damage.
4.— What can have winds of more than 200 miles an hour?
— Some hurricanes have winds of more than 200 miles an hour.
5. During earthquakes, many people are often killed by collapsing buildings and bridges.
6. There are many causes for fire, including lightning.
7. Car accidents happen when cars collide or when drivers lose control of their cars.
Repeat & Read Sentences:
1. Fires destroy buildings, land and forests.
2. One of the main causes of car accidents is driving too fast.
3. Some hurricanes have winds of more than 200 miles an hour.
4. Car accidents happen when cars collide or when drivers lose control of their cars.
5. Floodwaters damage or destroy many houses and businesses.