Which of the following is a real-life example of Newton's Third Law?

A person jumping off a boat and the boat moving backward

A car accelerating on a straight road

A plant growing towards sunlight

Label the parts of a plant cell:

nucleus, cell wall, chloroplast, vacuole (students should label these parts on a diagram)

nucleus, mitochondria, ribosome, lysosome (students should label these parts on a diagram)

cell membrane, cytoplasm, ribosome, centriole (students should label these parts on a diagram)

nucleus, cell wall, mitochondria, centriole (students should label these parts on a diagram)

Define photosynthesis.

Photosynthesis is the process by which green plants use sunlight to make food from carbon dioxide and water.

Photosynthesis is the process by which animals convert oxygen into energy.

Photosynthesis is the process by which plants absorb nutrients from the soil only.

Photosynthesis is the process by which green plants release carbon dioxide at night.

Decomposers play the following role in an ecosystem:

They break down dead organisms and recycle nutrients.

They produce food through photosynthesis.

They consume only living plants.

They provide shelter for animals.

Energy flows through a food chain in which of the following ways?

From producers to consumers to decomposers

From decomposers to consumers to producers

From consumers to producers to decomposers

From decomposers to producers to consumers

What causes weather patterns to form?

Solar energy and uneven heating of Earth

The difference between weather and climate is:

Weather refers to short-term atmospheric conditions, while climate refers to long-term patterns.

Weather and climate are exactly the same.

Climate refers to daily changes, while weather refers to long-term patterns.

Weather is only about temperature, while climate is only about rainfall.

(Diagram) Label the water cycle:

Evaporation, condensation, precipitation, collection.

Condensation, evaporation, collection, precipitation.

Precipitation, collection, evaporation, condensation.

Collection, precipitation, condensation, evaporation.

How does human activity contribute to climate change?

By increasing greenhouse gas emissions

By reducing greenhouse gas emissions

By decreasing industrialization

Fossil fuels are formed from:

Living plants and animals buried over millions of years

A climate graph shows average temperature and precipitation. Describe the pattern you observe.

It shows how temperature and precipitation change throughout the year.

It shows the population growth over time.

It shows the types of soil in a region.

It shows the phases of the moon.

Conserving natural resources can be done in which two of the following ways?

Recycling materials and reducing water usage

Burning fossil fuels and deforestation

Overfishing and excessive mining

Wasting electricity and polluting rivers

It is important to repeat scientific investigations because:

it helps confirm the results and increases reliability.

it makes the experiment more expensive.

it allows scientists to use more equipment.

it reduces the need for data analysis.

Which of the following is a testable hypothesis?

Plants grow better in sunlight than in shade.

Define independent and dependent variables in an experiment.

Independent variable is the one that is changed or controlled; dependent variable is the one being tested or measured.

Independent variable is the one being tested or measured; dependent variable is the one that is changed or controlled.

Both variables are changed in the experiment.

Neither variable is important in an experiment.

Identify the variables in a sample experiment setup.

Independent and dependent variables

The steps of the scientific method are:

Observation, hypothesis, experiment, analysis, conclusion

Guessing, testing, forgetting, repeating

Observation, conclusion, experiment, hypothesis

Experiment, observation, guessing, analysis

Why do scientists use models?

To represent things that are too small, large, or complex to study directly

To avoid doing real experiments

Give an example of how science and technology are connected.

The invention of the telephone using scientific principles.

The playing of a musical instrument.

(Data Analysis) Interpret a line graph showing population changes over time.

The population increased steadily over time.

The population decreased steadily over time.

The population remained constant over time.

The population fluctuated with no clear trend.

Evidence is important when drawing scientific conclusions because:

it supports and validates the conclusions.

it makes experiments more expensive.

What is the primary function of the roots in a plant?

To absorb water and nutrients from the soil

To produce food through photosynthesis

To provide support and structure

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7th Grade Science Final Exam Physical Science

7th Grade Science Final Exam - Physical Science

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7th Grade Science Final Exam - Physical Science

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a physical change?

Burning wood

Rusting iron

Melting ice

Baking a cake

Tags

NGSS.MS-PS1-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Matter is anything that occupies space and has mass. Which of the following are examples of matter?

Air and water

Light and sound

Heat and energy

Shadow and reflection

Tags

NGSS.MS-PS1-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which particles are found in the nucleus of an atom?

Electrons only

Protons and neutrons

Neutrons and electrons

Protons and electrons

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mass and weight are different because:

Mass is the amount of matter in an object, while weight is the force of gravity on that object.

Mass and weight are always the same.

Weight is measured in kilograms, and mass is measured in newtons.

Mass depends on gravity, but weight does not.

Tags

NGSS.MS-PS2-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A graph shows the speed of a moving object over time. At what time does the object stop moving?

When the speed is at its maximum

When the speed is zero

When the speed is increasing

When the speed is decreasing

Tags

NGSS.MS-PS3-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What form of energy is stored in food?

Thermal

Nuclear

Chemical

Mechanical

Tags

NGSS.MS-LS1-7

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Label the parts of an atom.

Proton, neutron, and electron are the three main parts of an atom. (Specific labeling would depend on the provided diagram.)

Nucleus, molecule, and ion are the three main parts of an atom. (Specific labeling would depend on the provided diagram.)

Proton, electron, and photon are the three main parts of an atom. (Specific labeling would depend on the provided diagram.)

Neutron, positron, and electron are the three main parts of an atom. (Specific labeling would depend on the provided diagram.)

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7th Grade Science Final Exam - Physical Science

Which of the following is a physical change?

Matter is anything that occupies space and has mass. Which of the following are examples of matter?

Which particles are found in the nucleus of an atom?

Mass and weight are different because:

A graph shows the speed of a moving object over time. At what time does the object stop moving?

What form of energy is stored in food?

Label the parts of an atom.

Which of the following is a real-life example of Newton's Third Law?

Which of these best conducts electricity?

What happens to molecules in a substance when it is heated?

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