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)]

Which instrument could be used to determine the volume of an irregularly shaped solid?

(Image of a graduated cylinder labeled 'mL')

When carbon and oxygen combine chemically, the mass of the product is

equal to the mass of the carbon plus the mass of the oxygen

greater than the mass of the carbon plus the mass of the oxygen

equal to the mass of the carbon

less than the mass of the carbon

A student is trying to dissolve 20 grams of sugar in a beaker containing 250 milliliters of water at room temperature. What can the student do to make the sugar dissolve faster in the water?

decrease the temperature of the water

Which changes in energy form are illustrated in the diagram?

D. light → electrical → mechanical and sound

A. electrical → sound → light and mechanical

B. sound → mechanical → light and electrical

C. mechanical → light → sound and electrical

Base your answers to the questions on the diagrams below and your knowledge of science. The diagrams show liquid water changing to water vapor in four different situations. Which observation would be evidence that the water is undergoing a phase change?

The water level in the glass of water decreases.

Waves form on the top of the pond.

The water splashes out of the swimming pool.

Base your answers to the questions on the diagram below, which shows two insulated Styrofoam cups of water connected by an aluminum bar. The thermometers show the temperature of the water in cup A and cup B at the beginning of a heat-flow experiment. Over the next 15 minutes, which changes would most likely occur?

The temperature in cup A will decrease and the temperature in cup B will increase.

The temperature in cup A will decrease and the temperature in cup B will decrease.

The temperature in cup A will increase and the temperature in cup B will increase.

The temperature in cup A will increase and the temperature in cup B will decrease.

Base your answers to the questions on the diagram below, which shows two insulated Styrofoam cups of water connected by an aluminum bar. The thermometers show the temperature of the water in cup A and cup B at the beginning of a heat-flow experiment. Which process is most responsible for the temperature changes that will take place?

conduction of heat through the aluminum bar

radiation of heat from the water in the cups to the thermometers

radiation of heat from the water in the cups into the air

conduction of heat through the air to the water in the cups

Which statement best describes the energy changes that occur while a child is riding on a sled down a steep, snow-covered hill?

Kinetic energy increases and potential energy decreases.

Kinetic energy decreases and potential energy increases.

Both potential energy and kinetic energy decrease.

Both potential energy and kinetic energy increase.

Which example best demonstrates the process of conduction?

C. A metal spoon gets warm when used to stir hot soup.

A. A piece of paper is torn in half.

B. Warmed air rises above a lit candle.

D. Sunlight brightens a dark room.

A person uses a bow to shoot an arrow at a target. In which diagram does the bow and arrow have the greatest amount of potential energy?

D. [Image of person pulling bow fully, ready to release]

A. [Image of person standing with bow and arrow on table]

B. [Image of person pulling bow halfway]

C. [Image of person pulling bow further]

The diagram below shows two magnets. If the magnets are brought closer together, they will

attract each other with a stronger force

attract each other with a weaker force

repel each other with a stronger force

repel each other with a weaker force

The diagram below represents two cans of water at the same temperature. One can is painted black and the other can is painted white. The cans are placed on a sunny windowsill, and a thermometer is placed in each can to measure the water temperature. After four hours in the sunlight, the temperatures of the water in the cans will most likely be

higher in the black can than in the white can

the same as when the cans were placed there

higher, with the same temperature in both cans

higher in the white can than in the black can

The diagram below represents a thermometer. Which principle best explains how this thermometer works?

C. A liquid expands when heated and contracts when cooled.

A. A liquid changes to a gas when heated.

B. A gas changes to a liquid when heated.

D. A liquid contracts when heated and expands when cooled.

Which sentence about the periodic table of elements is true?

Metals are found on the left side of the periodic table.

All elements in period 2 are metals.

All elements in group 18 are metals.

Metals are found on the right side of the periodic table.

Science Final Exam 2025

Authored by John George

Science

7th Grade

NGSS covered

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121 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

A. CO

B. He

C. Si

D. Fe

Tags

NGSS.MS-PS1-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Water vapor changes to liquid water during which process?

dissolving

melting

evaporation

condensation

Tags

NGSS.MS-ESS2-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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)

Tags

NGSS.MS-PS1-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The tiny particles that make up all matter are called

genes

atoms

minerals

cells

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

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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?

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?

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

Water vapor changes to liquid water during which process?

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

The tiny particles that make up all matter are called

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

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

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

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

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