Anatomy levels of org

In the atom, which particles are in constant motion around the nucleus?

• Neutron

• Proton

• Electron

• Quark

All chemicals in the lab (including foodstuffs and store-bought chemicals) should be treated as if they could be hazardous.

• True

• False

Tags

NGSS.HS-ETS1-3

Ionic bonds are bonds formed when ______________________.

• One or more electrons are transferred from one atom to another.

• Electrons are shared between atoms.

Covalent bonds are bonds formed when ______________________.

• One or more electrons are transferred from one atom to another.

• Electrons are shared between atoms.

Tags

NGSS.MS-PS1-1

A simple, testable statement that predicts the answer to a question is ___________.

• Hypothesis

• Theory

• Law

• Presupposition

A variable that is changed to determine the outcome of an experiment is called the _____.

• Dependent variable

• Independent variable

• Control variable

Organic compounds all contain the element _____________.

• Phosphorous

• Water

• Carbon

• Sodium

Tags

NGSS.HS-LS1-6

Worldview is a _____________ or viewpoint that shapes the way a scientist interprets data.

• Purpose

• Bias

• Perspective

• None of the above

A chemical equation shows both the reactants in a chemical reaction and the products formed by that reaction.

• True

• False

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A(n) ___________ can decrease the activity of an enzyme by binding to the enzyme's active site.

• Substrate

• Inhibitor

• Product

• Enzyme