Key Vocabulary
river
A river is a long, moving piece of water.
lake
A lake is a large area of water. A lake is smaller than an ocean. fresh water
mountain
A mountain is the highest kind of land. A mountain is very steep. Mt. Everest
plain
A plain is a flat land. There are not many trees on a plain. Horizontal
hill
A hill is a high area of land. A hill is smaller than a mountain. gentle rolling hills
cliff
A cliff is a high, steep part of the land. sudden rise/drop. Vertical
valley
the low land between mountains or hills. Silicon Valley.
stream
a small river. Streams usually come from mountains.
Visual Summary
| category | substance |
|---|---|
| land | mountain, hill, valley/canyon, plain |
| water | stream, river, lake, ocean |
Exercise
- a high area of land which is smaller than a mountain. (hill)
- a flat land not having many trees. (plain)
- the highest kinds of land which is very steep. (mountain)
- a long, moving piece of water. (river)
- a high, steep part of the land. (cliff)
- a large area of water which is smaller than an ocean. (lake)
Up close (Review)
Two kinds of Waters on Earth
| kind | features |
|---|---|
| salt water | An ocean is made up of salt water. Many living things can not drink salt water. |
| fresh water | Fresh water is water without salt. Many living things can drink fresh water. Streams, rivers and lakes are fresh water |
True of False
| Statement | True or False |
|---|---|
| A lake is larger than an ocean. | F |
| There are many trees on a plain. | F |
| A cliff is a high, flat part of a land | F |
Reading passage
The Earth has many different shapes. There are many different kinds of land. At the end of land, there are many cliffs. A cliff is a high, steep part of land.
A mountain is the highest kind of land. It is very steep. A hill is a high area of land; it is smaller than a mountain.
Valleys and plains are low lands. A valley is a low land between mountains. A plain is a flat area of land. There are not many trees on a plain.
A river is a large moving piece of water. A stream is a small river. Streams usually start at a mountain and finish at a beach . A lake is a large area of water.
Reading skill
classify
Different Shapes on Land
| features | definitions |
|---|---|
| cliff | It is a high, steep kind of land. |
| mountain | It is the highest kind of land. |
| hill | It is a high area of land. It is smaller than a mountain. |
| valley | It is a low land between two mountain. |
| plain | It is a flat area of land. There are not many trees on it. |
Comprehension
- A valley is a low land between (mountains).
- A stream is like a (small river).
- At the end of land, there are cliffs which (are the high, steep parts of land).
- A river usually starts at a (mountain and finishes at a beach).
source
From American Textbook Reading Science 07 44:35