6th Grade Review

6th Grade Review

By Kay Rush

1. An observation includes why something happened.​

2. You can not ASSUME an observation.​

3. Make a comparison.​

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​How do you make a scientific observation?

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​* Use Evidence

*Use Reasoning based on prior knowledge.

*​Combine research with evidence.

​How do you use supporting evidence to form a logical argument?

Parts of a cell:

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​Plant Cell:

2. RADAR: ​To help with detection through air space.

3. Robotics: ​allow for less human work.

4. SONAR: Send signals under water.​

​1. Cell membrane: controls what enters and exits cell.

​2. Mitochondria: Power house .

3. Nucleus: main control center​

4.CYtoplasm: jelly like substance supports orginelles.​

​Human Cell:

KNOW THIS TRUTH​

Scientific information can be changed with new discoveries. This is why all scientific discoveries are called theories. ​

ULTRAVOLET or UV light is an example of this type of potentially damaging type of light.​

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​Some light is harmful to humans if they are over exposed.

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​​When looking for scientific solutions do the following:

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​1. Make sure the solution fits the SPECIFIC problem.

2. Do your research for solutions already designed.

3. Test them repeatedly. ​

Methods for Water Purification

​1. Reverse Osmosis: The use of membrane to force water through water to separate contaminants. (RO)

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2. Ultra Violet Filtration: Exposes bacteria found in water to germicidal ultraviolet wavelengths.

3. ​Deionization:

4. Activated Carbon: removes contaminants using chemically bonding.​

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​1. Cell Wall: to provide strength and protection and filter what comes into the cell.

2. Chloroplasts : where photosynthesis takes place.

3. ​

​Plant Cells

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​1. Cell membrane: controls what enters and exits cell.

​2. Mitochondria: Power house .

3. Nucleus: main control center​

4.CYtoplasm: jelly like substance supports orginelles.​

​Animal Cells

Parts of a Cell:​

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Systems of the body work together:

​Respiratory and Circulatory Systems:

Both of these systems are responsible for working together to move oxygen through the body providing oxygen to the cells and remove carbon dioxide to the cells.​

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1. Causes irritation to the respiratory system.

2. Can cause lung damage.

3. Can create infections in the heart.

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​Smog:

1. Drives the hydrological cycle.

2. enables life

3. Provides energy for food, fuel.​

​SUN:

​Sun and Smog in the world around us:

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Energy Transfer takes place in the world around us ​in many forms

Motor vehicles: mechanical energy changes to electrical energy to chemical energy.​

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