IDENTIFYING VARIABLES For each testable question,
underline the independent variable. circle the dependent variable, and list 3 constant/control variables.
Then, write a hypothesis or prediction.
Independent Variable- One thing that the experimenter changes on purpose
Dependent Variable- Something that changes as a result of the independent variable
(often what is measured)
Constant/Control Variable - Something kept the same on purpose
1. How does the distance from an eye chart affect the number of letters that are recognized
on a line?
Constant/Control Variables:
Hypothesis/Prediction:

i would think it's food chain

lol

explanation:

electromagnetic shielding is the practice of reducing the electromagnetic field in a space by blocking the field with barriers made of conductive or magnetic materials. shielding is typically applied to enclosures to isolate electrical devices from their surroundings, and to cables to isolate wires from the environment through which the cable runs. electromagnetic shielding that blocks radio frequency electromagnetic radiation is also known as rf shielding.

the shielding can reduce the coupling of radio waves, electromagnetic fields and electrostatic fields. a conductive enclosure used to block electrostatic fields is also known as a faraday cage. the amount of reduction depends very much upon the material used, its thickness, the size of the shielded volume and the frequency of the fields of interest and the size, shape and orientation of apertures in a shield to an incident electromagnetic

from wikipedia