"Various Rocks" Blue Earth PPT Courseware

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"Various Rocks" Blue Earth PPT Courseware

What is a rock?

Rocks are solid minerals or mixtures of minerals. The rocks under the sea surface are called reefs, reefs and sand. They are a collection of one or more minerals with a certain structure. A few also contain the remains or remains of living things. (i.e. fossils). Rocks have three states: solid, gas (such as natural gas), and liquid (such as petroleum), but they are mainly solid materials. They are one of the materials that make up the earth's crust and are the main components of the earth's lithosphere.

Little question mark?

Where are the rocks around us? What are they like?

Observe the rocks below and talk about their characteristics.

What words can we use to describe various rocks?

For example: transparent, smooth...

hint

Collecting rocks in the wild must be done under the guidance of an adult.

Can you categorize them?

What criteria can be used to classify rocks?

You can press:

Color points

size

shape

transparency

hardness degree

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For more information about the "Blue Earth Diverse Rocks" PPT courseware, please click the "Blue Earth ppt Diverse Rocks ppt" tag.

"Diverse Rocks" Blue Earth PPT Courseware 4:

"Various Rocks" Blue Earth PPT Courseware 4 Rocks are the main component of the earth and can be seen everywhere. Introduce the rocks you brought to your classmates: 1. Where did you collect them? 2. What are its characteristics? Rock: Naturally formed in various places...

"Diverse Rocks" Blue Earth PPT Courseware 3:

"Various Rocks" Blue Earth PPT Courseware 3 Warm Tips: 1. As a group, each person chooses a rock and observes it carefully. 2. Record your observations in Table 1 promptly. 3. After completing the recording sheet, discuss within the group and provide each other with additional opinions. After classification...

"Diverse Rocks" Blue Earth PPT Courseware 2:

"Various Rocks" Blue Earth PPT Courseware 2 Classification Tips: 1. How many categories do we divide rocks into? According to what standard? 2. How many different classification methods have we thought of? 3. Do different classification methods have the same results? The layers of circles inside the Earth...

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Update Time: 2024-09-10

This template belongs to science courseware People's Education Press Fourth Grade Science Volume 1 industry PPT template

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