What is the role of the strong nuclear force within an atom?

It binds protons and neutrons together in the nucleus.

It binds electrons to the nucleus.

It allows atoms to form molecules.

Which of the following best describes acceleration?

The rate at which velocity changes.

The speed at which an object moves.

The distance an object travels over time.

The direction an object is moving.

What does the law of conservation of energy state?

Energy can only be transferred from one form to another.

Energy can be created and destroyed.

Energy is only found in living organisms.

Energy is always lost in a system.

Which of the following is an example of energy transfer?

A box being pushed across the floor.

A car accelerating on a highway.

What is the relationship between energy and forces?

Forces can cause objects to gain or lose energy.

Forces can only cause objects to lose energy.

Forces have no effect on energy transfer.

Forces only affect the speed of objects.

What does the amplitude of a wave represent?

The height from the equilibrium position to the peak or trough

The distance between two consecutive crests

The number of wave cycles per unit of time

Which of the following is true about electromagnetic radiation?

It travels in waves through space.

It only includes visible light.

It cannot travel through a vacuum.

It has a single wavelength and frequency.

What is included in the electromagnetic spectrum?

Radio waves, microwaves, infrared radiation, visible light, ultraviolet light, X-rays, and gamma rays

Only radio waves and microwaves

What are some uses of electromagnetic radiation mentioned in the text?

Cooking, medical imaging, and radio

Painting, sculpting, and drawing

What is the role of scientific instruments according to the text?

To help scientists observe and measure phenomena

How do computers assist scientists as mentioned in the text?

By storing and analyzing vast amounts of data

What is the role of organ systems in the body?

To perform complex functions like transporting blood

To absorb nutrients from the soil

How does energy flow through ecosystems?

From the sun to producers to consumers

What is the function of the nervous system?

To coordinate movement and maintain homeostasis

What is the role of genetic information in organisms?

To contain instructions for making proteins

To provide energy for photosynthesis

What are the three types of interactions mentioned in ecosystems?

Predation, Competition, and Symbiosis

Photosynthesis, Respiration, and Decomposition

Evaporation, Condensation, and Precipitation

Migration, Hibernation, and Adaptation

What do food chains and food webs illustrate in an ecosystem?

The energy and nutrient flow through ecosystems

The migration patterns of animals

The weather patterns in a region

Which factors influence organisms in an ecosystem?

Both biotic and abiotic factors

Neither biotic nor abiotic factors

What is the role of decomposers in the carbon cycle?

They release carbon back into the environment

They absorb carbon dioxide for photosynthesis

They provide energy for predators

What does ecosystem resilience refer to?

The ability to recover after a disturbance

The ability to produce more offspring

The ability to migrate to new areas

The ability to increase biodiversity

What does ecological succession refer to?

The gradual change in the species composition of an ecosystem over time

The immediate recovery of an ecosystem

The increase in pollution levels

What is the role of the gut microbiome?

To aid in digestion and protect against pathogens

What is a Punnett square used for?

To predict the genetic outcomes of crosses between parents

To determine the resilience of ecosystems

What are catabolic reactions?

Breaking down molecules to release energy

Building molecules to store energy

Transferring genes between organisms

What do transitional fossils show?

Intermediate forms between species

Genetic variation within a population

What are structural adaptations?

Physical features that help an organism survive

Behaviors that help organisms survive

Internal processes that help organisms survive

Traits that do not affect survival

Why is biodiversity important?

It provides ecosystem services and supports human agriculture

It decreases ecosystem services

It is not related to human activities

Which human activities can reduce biodiversity?

Deforestation, pollution, and climate change

Recycling and reducing emissions

Planting trees and conserving water

Building more parks and gardens

What does the geosphere include?

Earth's crust, mantle, and core

What role does the hydrosphere play?

Weather patterns and the water cycle

What is the difference between weather and climate?

Weather is short-term; climate is long-term

Weather is long-term; climate is short-term

Weather and climate are the same

Weather is only about temperature; climate is only about precipitation

CMAS - COMPLETE SCIENCE REVIEW

Authored by David Tough

Science

8th Grade

NGSS covered

Used 6+ times

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72 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the three primary states of matter?

Solid, Liquid, Plasma

Solid, Liquid, Gas

Liquid, Gas, Plasma

Solid, Plasma, Gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a physical property of matter?

Ability to rust

Reactivity with vinegar

Color

Formation of a precipitate

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an example of a chemical property?

Density

Melting point

Ability of iron to rust

Texture

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a common indicator of a chemical reaction?

Change in shape

Formation of gas (bubbles)

Increase in mass

Change in size

Tags

NGSS.MS-PS1-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of reaction absorbs energy, causing the surroundings to cool down?

Exothermic

Combustion

Endothermic

Neutralization

Tags

NGSS.MS-PS3-5

NGSS.MS-PS1-4

NGSS.MS-PS3-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the law of conservation of mass state in a chemical reaction?

Mass can be created or destroyed

Mass is lost during reactions

Mass cannot be created or destroyed

Mass is irrelevant in reactions

Tags

NGSS.MS-PS1-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the force that opposes the motion of an object sliding or rolling across a surface?

Gravitational Force

Frictional Force

Applied Force

Electromagnetic Force

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CMAS - COMPLETE SCIENCE REVIEW

What are the three primary states of matter?

Which of the following is a physical property of matter?

What is an example of a chemical property?

What is a common indicator of a chemical reaction?

What type of reaction absorbs energy, causing the surroundings to cool down?

What does the law of conservation of mass state in a chemical reaction?

What is the force that opposes the motion of an object sliding or rolling across a surface?

According to Newton's First Law of Motion, what will happen to an object at rest if no external force is applied?

Which law states that for every action, there is an equal and opposite reaction?

What is the force of attraction between two masses called?

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