Could someone do this for me? 50 points for the whole page

1. How does the distance from an eye chart affect the number of letters that are recognized on a line?

Constant/Controlled variables: Eye chart, position of viewer and the light in the room.

2. How does the amount of light affect the growth of a plant?

Constant/Controlled variables: Type of plant, amount of water, type/amount of soil

3. How does the amount of oxygen in the water affect the oyster population?

Constant/Controlled Variables: Temperature of water, location, time of year.

4. How will the amount of fertilizer used on a field affect the number of earthworms found there?

Constant/Controlled Variables: type of soil, temperature, amount of water.

5. How does the length of a string affect the number of times a pendulum will swing back and forth in ten seconds?

Constant/Controlled Variables: mass of pendulum, distance pulled back, height of pendulum

6. How does the size of a bicycle tire affect the distance it will travel when it is pedaled in a given number of times?

Constant/Controlled Variables: inflation of tire, force of pedal, terrain (grass vs. blacktop)

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Hope this helped :) You can find out the Hypothesis/Prediction on your own from the other things I've included. It will make it look like your own work better that way.

it is called kinetic energy

the temperature in kelvin of 2.0 dm3 of an ideal gas is doubled and its pressure is increased by a factor of four. what is the final volume of the gas