Language Launch Volume 1 Unit 4 Lesson 3

A ​ (a)   is a rounded, raised area of land. A ​ (b)   is a massive, raised area of land. A ​ (c)   is a hill of sand formed by the wind. A ​ (d)   is a low area between hills or mountains.

• hill
• mountain
• sand dune
• valley
• plateau
• ridge
• bridge

A ​ (a)   is a large body of water with land all around it. A ​ (b)   is a lake made by people to store water. A ​ (c)   is a large stream of fresh water that flows into a lake or an ocean. A ​ (d)   is an area of land covered by water.

• lake
• reservoir
• river
• wetland
• puddle
• desert
• swamp

What landforms or surface water do you see where you live? List at least 3.

Vocabulary Review: hill, sand dune, lake, river, mountain, valley, reservoir, wetland

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There are five Great Lakes in North America. ​ (a)   are Lake Superior, Lake Huron, Lake Michigan, Lake Erie, and Lake Ontario.

• They
• It

The Nile River is the longest river in Africa. ​ (a)   is 4,132 miles long.

• It
• They

Yosemite Valley is in California. ​ (a)   is surrounded by the Sierra Nevada mountains.

• They
• It

The highest sand dunes in South America are in Peru. ​ (a)   are 2,080 meters above sea level.

• They
• It

Based on the discussion, fill in the sentences.

I have seen a​ ​ (a)   . It was ​ (b)   .

I have also seen a ​ (c)   . It was ​ (d)   .

• mountain
• tall
• lake
• beautiful
• hill
• river
• sand dune
• long
• cold
• massive

Take notes on what you see in the pictures.

Nouns (things)

• hill

• lake

• mountain

• reservoir

• river

• sand dune

• valley

• wetland

• Language to Observe

  What do you notice in the pictures?
  I notice that there (is/are) ____.

  ---

  What else do you notice?
  I also notice that ____.

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1. 1. What is this text mainly about?

2. Earth's surface is made up of ​ (a)   and ​ (b)   .

3. 2. What causes sand dunes to form?

4. The ​ (c)   causes sand dunes to form.

5. 3. Which type of landform is between two mountains?

6. A​ (d)   is between two mountains.

• landforms
• surface water
• wind
• valley
• oceans
• reservoir