NOS study guide review

Science can answer all questions.

• true

• false

A pipette is a thin, rectangular piece of glass used to view items under a microscope.

• true

• false

Final zeros used before the decimal point are significant.

• true

• false

Media sources can report information accurately, so skepticism is necessary

• true

• false

Significant digits are the number of digits in a measurement that are known with a certain degree of reliability.

• that is true

• that is false

• that I have no clue

Balances measure masses of objects.

• true

• false

Tags

NGSS.5-PS1-2

Which of the following is NOT a branch of science?

• life

• biodiesel

• Earth

• physical

1.4 has 2 significant digits as a result of which rule?

• All nonzero numbers are significant.

• Zeros between nonzero digits are significant.

• Final zeros after the decimal point are significant.

• Zeros used solely for spacing the decimal point are not significant

Which digits are significant in 0.045?

• both zeros only

• 4 and 5

• 0, 4, and 5 to the right of the decimal

• All digits are significant

Which of the following is a way that scientists communicate their results to others?

• speak at a conference

• write scientific articles

• exchange information on the Internet

• all answers are correct