1. Eric Angat Environmental Science

2. Essential Question What is wearing down and building up Earth’s surface?

3. Instructions: 1. Receive the copy of questions 2. Put the questions in your notebook. 3. Read Unit 3 ( pages 152 -264) or listen to the audio book three times. 4. Write your answers in your notebook, below each pasted cut outs. 5. You can define the vocabulary words by listening attentively or finding them in your textbook ( use the index to find them easily ). 6. Do not ask question while the audio book is playing.

4. 1. What is wearing down and building up Earth’s surface? 2. What are the four main types of mass movements? 3. Define the following ( Use the index of your textbook to find the words) erosion, sediment, deposition, mass movement, gravity

5. 1. What is major force responsible for shaping Earth’s land surface? ( p. 162-163) 2. How do rivers form? ( p. 163, 222-224) 3. Define the following ( Use the glossary of your textbook or listen to the audio book) runoff, rill erosion, gully erosion, river, divide, meander, oxbow lake, groundwater, tributary, lake, flood plain

6. 1. What happens when gravity pulls water down a slope? 2. Where do most sediments washes off? 3. What is the influence of the river’s slope to the amount of sediment it carries? 4. Define the following ( Use the glossary of your textbook) potential energy, kinetic energy, abrasion, sediment, friction, turbulance, energy, slope

7. 1. What are the two types of glaciers? 2. How can glaciers erode land? 3. Define the following ( Use the glossary of your textbook) glacier, valley glacier, continental glacier, plucking, till, ice age

8. 1. Where does the energy of ocean waves come from? 2. What can ocean waves do to the land surface? 3. Define the following ( Use the glossary of your textbook) beach, longshore drift, spit

9. 1. How can wind cause erosion? 2. What can wind erosion form? 3. Define the following ( Use the glossary of your textbook) sand dune, deflation, loess, desert

10. How Streams Form Raindrop Run-off Rills Gullies Stream