Science Quiz

The goal of all experiments is to prove the hypothesis incorrect.

• True

• False

A measurement of 5.685 x 10^-6 is equivalent to 0.000005685.

• True

• False

In systematic steps of approach used in a scientific study, a scientific law comes directly after a hypothesis.

• True

• False

Chemistry is the study of matter and the changes it goes through.

• True

• False

When moving from a small unit, such as grams, to a larger unit, such as kilograms, the numerical value will decrease.

• True

• False

The conditions of an experiment that do not vary from sample to sample are called controls.

• True

• False

Qualitative measurements involve descriptions while quantitative measurements involve numerical measurements.

• True

• False

The quotient of 4 x 10^4 cm and 2 x 10^-12 cm, expressed in scientific notation is ____.

• 2 x 10^16 cm

• 2 x 10^-8 cm

• 8 x 10^8 cm

• 2 x 10^3 cm

Which is the value associated with the prefix nano-?

• one-thousandth

• billion

• one-millionth

• one-billionth

According to rounding rules for addition, the sum of 27.1, 34.538, and 37.68 is ____.

• 99

• 99.318

• 99.31

• 99.3