| A | B |
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| How do electronic waves differ from mechanical waves? | Electronic waves can carry energy through matter and empty space meachanical waves need matter in which to travel. |
| Compare and contrast rotation and revolution and give an example of each? | Rotation is the spinning of an object on its axis. revolution is the movement of 1 object around another. |
| Contrast capricornes model of the solar system with Kepplers model? | Copernicus thought the the plantets moved around the sun in circular orbit and the sun was the center of the mopdels. Kepplers discovered the planets were elliptical , the sun was the center of the solar system. |
| What kind of reaction produces the energy emited by stars,and describe this process? | Fusion. Hydrogen is converted into helium in MS stars. Helium then fuses to produce helium elements. Nuclei are fused mas is converted into energy. |
| Describe the deffrinces amoung antibodies,antigens, and antibiotics? | Antigens are foreign proteins and chemicals that envade your body. Antibodies are formed by your bodies ammune systemto destroy and rename the antigens. Antibiodics are drugs used to kill antigens when your own antibodies cant do the job. |
