FILL IN THE SPACES/Word Bank --> using mis-calibrated equipment & instruments

air pressure

can

can not

consistent techniques

differently

high quality equipment

human error

humidity

temperature

uniformly

Kelly ran electricity though a sample of water using electrolysis. the water changed into two gases, x and y. it was not possible to break down the gases x and y into simpler particles.

What are some characteristics of a free enterprise economy?

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables