Grade 4�Science
Miss Zahra
Grade 4. Please use these notes to help you prepare for Quiz 2
Jen.
Lesson 2
Evidence from Rocks and Fossils
Module 1:
Earth and It’s Changing Features
أحفورة
الرواسب
صخور رسوبية
صخر
Vocabulary
Tiny bits of soil or rock that have been broken down and deposited .
The remains or imprints of living things from the past.
Vocabulary
Scientists who study living things or organisms that lived long ago.
This forms from sediments that are pressed together in layers.
Vocabulary
Questions I can ask about this lesson
What are the remain of dead plants or animals called? fossils
What type of rock do we find fossils in? sedimentary rock
What forms from sediments pressed together in layers? sedimentary rock
What are tiny bits of rock that have been broken down and deposited? sediment
What forces on Earth change the land quickly? volcanoes and earthquakes
What forces on Earth change land slowly? plate movement and water
Questions I can ask about this lesson
and fossils
Where do we find younger fossils in rock layers? Closer to the surface
Where do we find older fossils in rock layers? Deeper under ground
What information can we get from fossils? Sea shells and fish found in rock layers tells us environment has changed and it was once covered in water
What is the youngest fossil?
A
What is the oldest fossil?
D
Is B older or younger than C? younger
Is C older or younger than B?
older
Jen.
Lesson 3
Changes in Landscapes Over Time
Module 1:
Earth and It’s Changing Features
Vocabulary
Vocabulary | Weathering |
Arabic | |
Meaning | Slow process that breaks materials into smaller pieces |
Picture | |
Vocabulary | Erosion |
Arabic | |
Meaning | The movement of weathered material from one place to another |
Picture | |
Vocabulary
Vocabulary | Deposition |
Arabic | ترسيب |
Meaning | The dropping off of eroded soil and bits of rocks |
Picture | |
Vocabulary
Vocabulary
Vocabulary | Vegetation |
Arabic | |
Meaning | All the plants that cover a particular area |
Picture | |
Questions I can ask about this lesson
What breaks rocks? weathering
What moves rocks? erosion
What drops rocks off in a new place? deposition
What are tiny bits of rock called? sediment
How can we prevent soil erosion? Plant vegetation
What type of weathering changes rock? Chemical weathering
What type of weathering created the feature in the picture?
water freezing wind abrasion plant roots animals