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Name: Page# Elements & Compounds Unit Plan My test is on: Friday, September 11

What do you already know? How are salt, water and sugar similar? Different? ______

Learning Targets: 6.5A I know that an element is a pure substance represented by a chemical symbol 6.5B I can recognize that a limited number of elements make up the solid Earth, living matter, oceans, and atmosphere 6.5C I can differentiate between elements and compounds

Vocabulary:

Pure Substance

Element

Periodic Table of Elements

Atomic Number

Atomic Symbol

Chemical Formula

Compounds Name: Page#

Warm-ups Number Your Answer Sticky Note What is a pure substance? Give at least three examples. 1.

What is an element? 2.

What is a compound?

Why does bag F (refer to Paperclip Lab) represent an element?

3. Why does bag A represent a compound?

List at least three differences between elements and compounds. 1. 4. 2.

3.

What are the chemical symbols for the Name: Page# following elements: Oxygen: 5. Carbon: Helium: Nitrogen: Sodium:

What are the most common elements in Solid Earth (Lithosphere):

6. The oceans (Hydrosphere):

The atmosphere:

Living things (Biosphere):

7. What common element would be found in all 4 domains of Earth?

Look at the following symbols:

Circle the symbols that represent an element. 8. Draw a square around those that represent a compound.

A. ******* B. **@@$&

Essential Questions: Name: Page# Answer in complete sentences. 1. What is meant by the term “pure substance”?

2. What is an element?

3. What is a compound?

4. Which elements make up the solid Earth? Earth’s Oceans? The atmosphere? Living things? What element do they have in common?

5. How can you distinguish elements from compounds?

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