APES Unit 1 Exam Review

The study of a system in the context of environmental science may involve

• Predator-prey relationships

• energy exchange

• Only relationships of biological components to one another

• Only relationships of biological and non biological components

• a and b

Tags

NGSS.HS-LS2-3

NGSS.HS-LS2-4

NGSS.HS-LS2-5

NGSS.HS-LS2-6

Matter is

• Anything that has volume and mass

• anything that has energy

• anything that doesn't have mass

• anything that doesn't have volume

• None of these are correct

Mass is

• Exactly the same as weight

• a force

• different on the moon than earth

• a measure of the amount of matter something contains

• the result of gravity

Compounds

• are the same as molecules

• are made up of cells

• are found in orbitals

• contain more than one element

• aren't found in nature

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NGSS.MS-PS1-1

isotopes of an element must have the same

• atomic mass

• number of neutrons

• number of electrons

• number of protons and neutrons combined

• number of protons

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NGSS.HS-PS1-8

The rate of radioactive decay

• Cannot change the type of element

• Requires an input of a second element to become a third element

• Is measured in half-lives

• Is measured in number of electrons

• Doesn’t happen spontaneously

Tags

NGSS.HS-PS1-8

Elements that gain or lose electrons to form compounds create

• ionic bonds

• protons

• covalent bonds

• molecular bonds

• isotopes

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NGSS.HS-PS1-2

NGSS.HS-PS1-1

Compounds formed by elements that share electrons are held together by

• ionic bonds

• protons

• covalent bonds

• isotopes

• nitrogen bonds

The polarity of the water molecule is a result of

• The slight negative charge of the hydrogen atoms

• Shared electrons spending more time near the oxygen atom than near the hydrogen atoms

• Shared electrons spending more time near the hydrogen atoms than near the oxygen atom

• Boiling point

• Two positive sides repelling each other

Tags

NGSS.HS-PS1-2

Capillary action of water results when

• Adhesion of water molecules at the surface

• Cohesion of water molecules below the surface

• Cohesion of water molecules at the surface

• Many water striders on the surface

• High boiling point