8th Grade Science Final Review

What is the volume of the following object?

• 16.5 cubic inches

• 136.5 cubic inches

• 150 cubic inches

• 136.5 cubic centimeters

Balance: C + H₂ --> CH₄

• 2C + 2H₂ --> CH₄

• C + 2H₂ --> CH₄

• 2C + H₂ --> 2CH₄

• C + H₂ --> 2CH₄

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is a group on the periodic table?

• A column of elements in the periodic table of the chemical elements.

• A row of elements in the periodic table of the chemical elements.

• Horizontal rows that have the same number of electron shells.

The location of the valence shell is the ________.

• innermost shell.

• outermost shell.

If the pendulum was at X, what type of energy is at its maximum?

• Kinetic

• Mechanical

• Potential

• Thermal

Tags

NGSS.MS-PS3-2

What is the formula for weight?

• F_g=mgh

• F_g=1/2mv²

• F_g=mg

• None of the Above

Tags

NGSS.MS-PS2-4

True or False: Mass is the force exerted by the gravity on an object, but weight is the actual amount of material contained in a body.

• True

• False

Tags

NGSS.MS-PS2-4

Newton's Third Law States:

• F=ma

• An object in motion will stay in motion and an object at rest will stay at rest unless acted on by an unbalanced force.

• A regularly occurring or apparently inevitable phenomenon observable in human society.

• For every action, there is an equal and opposite reaction.

Tags

NGSS.MS-PS2-1

What is an inference?

• Information we gather directly through our five senses.

• An explanation for an observation you have made.

Tags

NGSS.MS-ESS2-2

NGSS.MS-LS2-4

J. J. Thompson discovered the _______.

• Atom

• Periodic Table

• Atomic Theory

• Electron

Tags

NGSS.MS-PS1-1