Science Final Exam 2025

The diagram below shows a tall beaker with four different liquids and their densities. If a ball that has a density of 1.73 g/cm³ is placed in the beaker, where will the ball come to rest?

• on top of liquid A

• between liquids B and C

• between liquids C and D

• on the bottom of the beaker

Tags

NGSS.MS-PS1-2

The four diagrams below model the results of mixing atoms of different substances. Each atom is represented by a different symbol. Which diagram correctly models a chemical change?

• Diagram A

• Diagram B

• Diagram C

• Diagram D

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

Based on the information in the table, which of the four substances below is a compound?

• A. CO

• B. He

• C. Si

• D. Fe

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NGSS.MS-PS1-1

Water vapor changes to liquid water during which process?

• dissolving

• melting

• evaporation

• condensation

Tags

NGSS.MS-ESS2-4

Which graph correctly shows the effect of heat energy on the motion of molecules of matter?

• A. (Graph showing rate of motion increases then decreases with temperature)

• B. (Graph showing rate of motion decreases with temperature)

• C. (Graph showing rate of motion increases with temperature)

• D. (Graph showing rate of motion remains constant with temperature)

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NGSS.MS-PS1-4

The tiny particles that make up all matter are called

• genes

• atoms

• minerals

• cells

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NGSS.MS-PS1-1

NGSS.MS-PS1-5

Plastic is used to cover the copper wires in the power cords of appliances because plastic differs from copper in

• density

• hardness

• phase at room temperature

• electrical conductivity

Which graph best represents the relative distance between the particles of most substances in their solid, liquid, and gas states?

• A. [Bar graph: S (close together, black), L (middle, gray), G (far apart, white)]

• B. [Bar graph: S (close together, black), L (far apart, gray), G (middle, white)]

• C. [Bar graph: S (middle, black), L (middle, gray), G (middle, white)]

• D. [Bar graph: S (far apart, black), L (close together, gray), G (middle, white)]

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which scientific model could be used to predict the properties of an element?

• closed loop system

• Punnett square

• Periodic Table

• water cycle chart

Tags

NGSS.MS-PS1-1

Which equipment will best separate a mixture of iron filings and black pepper?

• magnet

• filter paper

• triple-beam balance

• voltmeter