Unit 1 Test: Chemistry of Life 2025 Test Review

TRUE or FALSE: Measuring a patients blood pressure is quantitive data?

• TRUE

• FALSE

Which term should be able to be tested based on observable data?

• Hypothesis

• Constant

• Control

• None of these

Tags

NGSS.MS-PS1-2

True or False: The Hypothesis contains both an independent and dependent variable?

• True

• False

Tags

NGSS.MS-PS2-2

Which uses a "IF/Then" statement?

• Hypothesis

• Control

• Constant

• Independent Variable

What is the best definition of the term “theory,” as it is used in science?

• A theory is a guess or a hunch about something that has occurred in nature.

• A theory is an explanation for a phenomenon in nature that is supported by a wide range of evidence.

• A theory is a hypothesis that uses laws and observation to make an assumption.

• A theory is the same as a law in science.

Covalent bonds are significant in biology because ___

• they break apart in water.

• they do not break apart in water.

• an electron is transferred to form the bond.

• electrons are shared to form the bond.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

Match the following: Terms with there charge.

• Neutral

• Proton

• Negative

• Neutron

• Positive

• Electron

How does an atom become a positively-charged ion?

• It gains a proton.

• It loses a proton.

• It gains an electron.

• It loses an electron.

How does an atom become a negatively-charged ion?

• It gains a proton.

• It loses a proton.

• It gains an electron.

• It loses an electron.

What is the definition of an atoms?

• Single celled organisms

• Smallest units of matter

• Positively charged particles

• Parts of a nucleus

Tags

NGSS.MS-PS1-1