8th Grade SOL Review - Unit 1-6

Match the definition, unit, and tool to each vocab word

Groups:

(a) Mass

,

(b) Volume

,

(c) Weight

• Measured in Grams (g) or (kg)

• Use a balance / scale to measure it

• Measured in Newtons (N)

• 
• 
• Use a spring scale to measure it

• 
• Use a graduated cylinder to measure it

• Measured in Liters (mL) or (L)

Tags

NGSS.MS-PS2-1

Organize these options into the right categories

Groups:

(a) Physical Property

,

(b) Chemical Property

,

(c) Physical Change

,

(d) Chemical Change

• Observation with your senses

• The acid and base reacted to form salt

• 
• 
• New compounds are formed

• pH level, conductivity, and flammability

• 
• 
• 
• Describes how the object will react

• 
• 
• 
• 
• 
• Ripping a paper, melting ice cream, and dissolving salt in water

• A change that does not alter the identity

• A reaction that results in a new substance

• Blue, round, and rough

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Organize these options into the right categories

Groups:

(a) Solid

,

(b) Liquid

,

(c) Gas

• 
• 
• medium distance

• particles slide past one another

• Close together

• Slow / vibrate in place

• Fast atoms

• 
• Far apart

• 
• 
• definite shape and volume

• medium speed

• 

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-2

Match the following

• Liquid turning into a solid

• 
• Liquid turning into a gas

• 
• Solid turning into a liquid

• 

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Organize these options into the right categories

a

b

c

d

e

Proton

Nucleus

Neutron

Bohr Orbit

Valence Electron

Tags

NGSS.MS-PS1-1

What is incorrect about the Bohr model of the atom?

• Electrons do NOT travel along defined paths. Electrons travel randomly in the cloud.

• Protons are NOT found in the nucleus of the atom. Instead they are in the orbit.

Tags

NGSS.MS-PS1-1

Match the following

• An explanation of why or how

• Hypothesis

• Describes observed pattern / mathematics

• Law

• Testable prediction

• Theory

Tags

NGSS.HS-PS2-1

Organize these options into the right categories

Groups:

(a) Proton

,

(b) Neutrons

,

(c) Electron

• Positively charged

• Negatively charged

• Found in the Nucleus with protons

• Found in the cloud / outside of the nucleus

• 0 amu (mass)

• 
• With protons, make up the mass of the atom

• Found in the Nucleus with Neutrons

• The same size as a proton

• Neutrally charged

• Smaller than a proton

• 
• 1 amu (mass) just like the neutron

Tags

NGSS.MS-PS1-1

Organize these options into the right categories

Groups:

(a) Element

,

(b) Compound

,

(c) Mixture

• One type of atom

• Physically combine and separate

• Chemically combine and separate through a chemical reaction

• 2 or more elements or compounds physically MIXED together

• 
• Water (H₂O)

• Saltwater H₂O AND NaCl mixed and separated by boiling

• 2 or more types of atoms BONDED together

• 
• 
• Hydrogen (H)

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Determine what each container contains

a

b

c

d

e

Mixture of compounds

Element bonded to itself

Compound

Element

Mixture of elements and compounds

Tags

NGSS.MS-PS1-1