It's Time To Learn Something About 3rd Grade Science
Matter is anything that has weight and occupies space. Over the course of our class we have been able to cover most of the topics on matter, the changes it undergoes and the different states it exists in. Take the quiz below to test how much you can remember and note what you can’t remember.
Questions and Answers
- 1.
_____________ is anything that has mass and occupies space.
Explanation
Matter is the correct answer because it refers to anything that has mass and occupies space. This includes both tangible objects like furniture and intangible substances like air or light. Matter is a fundamental concept in physics and chemistry, and understanding it helps us comprehend the physical world around us.Rate this question:
- 2.
Matter is everywhere. You see, hear, smell, touch and feel it.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The statement is true because matter is indeed present everywhere. We can perceive matter through our senses - we can see it with our eyes, hear it with our ears, smell it with our nose, touch it with our hands, and feel it in various ways. Matter exists in different forms, such as solids, liquids, and gases, and it makes up everything in the universe, including the objects, substances, and even the air around us.Rate this question:
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- 3.
_________________ is the amount of matter that an object contains.
Correct Answer
mass
MassExplanation
Mass is the amount of matter that an object contains. It is a fundamental property of an object and is measured in units such as kilograms or grams. Mass is different from weight, which is the force exerted on an object due to gravity. Regardless of the location, the mass of an object remains constant. In this context, "mass" and "Mass" both refer to the same concept.Rate this question:
- 4.
The more mass an object has, the heavier it is. The less mass an object has, the lighter it is.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
This statement is true because mass is a measure of the amount of matter an object contains. The more mass an object has, the more matter it contains, and therefore the heavier it is. Conversely, the less mass an object has, the less matter it contains, and therefore the lighter it is.Rate this question:
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- 5.
The following are forms of matter.
- A.
Solid
- B.
Liquid
- C.
Gas
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
The answer "all of the above" is correct because solid, liquid, and gas are all forms of matter. Matter can exist in different states depending on the arrangement and motion of its particles. Solids have a definite shape and volume, liquids have a definite volume but no fixed shape, and gases have neither a fixed shape nor volume. Therefore, all three states, solid, liquid, and gas, are considered forms of matter.Rate this question:
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- 6.
___________ is a form of matter with a definite shape and definite volume.
Correct Answer
solid
SolidExplanation
Solid is a form of matter that has a definite shape and volume. Unlike liquids and gases, solids maintain their shape and do not flow or take the shape of their container. The particles in a solid are closely packed together and have strong intermolecular forces, which allow them to maintain their fixed positions. This results in a rigid structure and a distinct boundary between the solid and its surroundings. Examples of solids include ice, wood, and metal.Rate this question:
- 7.
These are small particles that make up an object and are bound close together in a solid.
- A.
Volume
- B.
Solid
- C.
Molecules
- D.
Mass
Correct Answer
C. MoleculesExplanation
Molecules are small particles that make up an object and are bound close together in a solid. They are the building blocks of matter and are responsible for the physical properties of solids, such as their shape and density. The other options, volume, mass, and solid, are related concepts but do not specifically refer to the small particles that make up an object.Rate this question:
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- 8.
The amount of space occupied by an object.
- A.
Solid
- B.
Mass
- C.
Volume
- D.
Molecules
Correct Answer
C. VolumeExplanation
Volume is the amount of space occupied by an object. It is a measure of how much three-dimensional space an object takes up. In the context of the given options, "solid" refers to the state of matter, "mass" refers to the amount of matter in an object, and "molecules" refers to the microscopic particles that make up matter. Therefore, volume is the correct answer as it directly relates to the amount of space occupied by an object.Rate this question:
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- 9.
The following are examples of solid except :
- A.
Water
- B.
Book
- C.
Cellphone
- D.
Piece of chalk
Correct Answer
A. WaterExplanation
Water is not a solid, it is a liquid. The other options listed (book, cellphone, piece of chalk) are all examples of solid objects.Rate this question:
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- 10.
____________ have weight and definite volume but do not have a definite shape.
Correct Answer
Liquids
Liquid
liquids
liquidExplanation
The given statement describes a substance that has weight and volume but does not have a definite shape. This characteristic is true for liquids, as they take the shape of the container they are in. Liquids have a definite volume, meaning they occupy a specific amount of space, and they have weight due to their mass. Therefore, the correct answer is liquids or liquid, as both terms refer to substances with these properties.Rate this question:
- 11.
_______________ has weight but has no definite volume nor shape.
Correct Answer
Gas
gasExplanation
Gas is a state of matter that has weight, as it consists of particles that have mass. However, unlike solids and liquids, gases do not have a definite volume or shape. The particles in a gas are constantly moving and spreading out to fill the space available to them. This lack of a fixed volume or shape allows gases to expand and contract easily in response to changes in temperature and pressure.Rate this question:
- 12.
Smoke is an example of gas.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Smoke is an example of gas because it is composed of small particles and gases that are released when a substance undergoes combustion. These particles and gases are suspended in the air and can be inhaled. Smoke is commonly produced when materials such as wood, coal, or tobacco are burned, and it consists of a mixture of gases, solid particles, and liquid droplets. Since smoke exists in the gaseous state and is composed of gases, it is considered an example of gas.Rate this question:
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- 13.
There are some objects that can exist in more than one form. Example. Water is a liquid. Ice is water in its solid form.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Some objects can exist in more than one form, such as water which can exist as a liquid or as ice in its solid form. This statement is true because it acknowledges the existence of objects that can have multiple forms or states.Rate this question:
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- 14.
Water changes to gas when it becomes _____________.
Correct Answer
vapor
VaporExplanation
Water changes to gas when it becomes vapor. Vapor is the gaseous state of a substance, in this case, water. When water is heated or reaches its boiling point, it undergoes a phase change and transforms into vapor. This process is known as evaporation. Vapor is composed of water molecules in the gas phase and is invisible to the naked eye.Rate this question:
- 15.
The following are the changes that matter undergoes except :
- A.
Psychological change
- B.
Physical change
- C.
Chemical change
- D.
None of the above
Correct Answer
A. Psychological changeExplanation
The given question asks for the changes that matter undergoes, and the correct answer is "Psychological change." This is because psychological change refers to changes in thoughts, emotions, and behavior, which are not physical or chemical in nature. Physical change refers to changes in the physical properties of matter, such as shape or state, while chemical change refers to changes in the chemical composition of matter. Therefore, psychological change is not a type of change that matter undergoes.Rate this question:
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- 16.
This change is a change in the size or form of an object.
- A.
Physical change
- B.
Physiological change
- C.
Chemical change
- D.
All of the above
Correct Answer
A. pHysical changeExplanation
A physical change refers to a change in the size or form of an object without altering its chemical composition. This means that the substance involved in the change remains the same, only its physical properties, such as shape, size, or state of matter, are altered. In contrast, a chemical change involves a transformation of the substance at the molecular level, resulting in the formation of new substances with different properties. A physiological change, on the other hand, refers to a change that occurs within a living organism's body, such as changes in heart rate or body temperature. Since the given statement specifically mentions a change in the size or form of an object, the correct answer is physical change.Rate this question:
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- 17.
This happens when the chemical composition as well as the physical properties are changed.
- A.
Chemistry change
- B.
Chemical change
- C.
Psychosocial chang
- D.
Physical change
Correct Answer
B. Chemical changeExplanation
A chemical change occurs when the chemical composition of a substance is altered, resulting in the formation of new substances with different properties. In this process, the arrangement of atoms or molecules is rearranged, leading to the formation of new bonds and the breaking of existing bonds. This is different from a physical change, where only the physical properties of a substance are altered, such as its shape, size, or state of matter. In a chemical change, there is a transformation at the molecular level, resulting in the formation of new substances with different chemical properties.Rate this question:
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- 18.
Rust forms when iron combines with ___________.
- A.
Oxygen
- B.
Carbon dioxide
- C.
Sand
- D.
Gasoline
Correct Answer
A. OxygenExplanation
Rust forms when iron combines with oxygen. This is because iron is highly reactive and readily reacts with oxygen in the presence of moisture to form iron oxide, commonly known as rust. Oxygen acts as an oxidizing agent, causing the iron atoms to lose electrons and undergo oxidation, resulting in the formation of rust.Rate this question:
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- 19.
Fermentation, hardening of cement, burning of wood and photosynthesis are examples of chemical change.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Fermentation, hardening of cement, burning of wood, and photosynthesis are all examples of chemical change because they involve the rearrangement of atoms and the formation of new substances. In fermentation, sugars are broken down by microorganisms to produce alcohol and carbon dioxide. Hardening of cement is a chemical process where water reacts with the cement to form a solid structure. Burning of wood involves the combustion of organic compounds, resulting in the release of heat, light, and new compounds. Photosynthesis is a chemical process in which plants convert carbon dioxide and water into glucose and oxygen using sunlight. Therefore, all of these processes demonstrate chemical changes.Rate this question:
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- 20.
Flashlights, oil and gas lamps and bonfires are considered _____________ sources of light.
- A.
Natural
- B.
Supernatural
- C.
Man-made
- D.
Expensive
Correct Answer
C. Man-madeExplanation
Flashlights, oil and gas lamps, and bonfires are considered man-made sources of light because they are created or produced by humans. These sources of light are not naturally occurring in the environment but are intentionally designed and constructed by people for the purpose of illumination.Rate this question:
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- 21.
The sun and the stars are ________ sources of light.
- A.
Natural
- B.
Supernatural
- C.
Man-made
- D.
Expensive
Correct Answer
A. NaturalExplanation
The correct answer is "natural" because the sun and stars emit light naturally as a result of their own energy sources, such as nuclear fusion. This is in contrast to man-made sources of light, which are created artificially by humans, and supernatural sources, which are beyond the realm of the natural world.Rate this question:
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- 22.
_________ is a great English physicist and mathematician who proved that light is composed of several colors
- A.
Albert Einstein
- B.
Sir Isaac Newton
- C.
Alexander Graham Bell
- D.
Edward Caro
Correct Answer
B. Sir Isaac NewtonExplanation
Sir Isaac Newton is a great English physicist and mathematician who proved that light is composed of several colors. He conducted experiments with prisms and observed that when white light passes through a prism, it separates into a spectrum of colors. This discovery led to the understanding of the nature of light and laid the foundation for the field of optics. Newton's work on light and color revolutionized the scientific understanding of these phenomena and established him as one of the most influential scientists in history.Rate this question:
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- 23.
It is a carefully shaped and polished clear glass with many faces.
- A.
White light
- B.
Prism
- C.
Transparent
- D.
Opaque
Correct Answer
B. PrismExplanation
A prism is a carefully shaped and polished clear glass with many faces. When white light passes through a prism, it is refracted and separated into its component colors, creating a spectrum of colors. This phenomenon is known as dispersion. Therefore, the given answer "prism" is correct as it accurately describes the characteristics and function of a prism.Rate this question:
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- 24.
When white light passes through a prism, it is refracted and is separated into different colors.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
When white light passes through a prism, it undergoes refraction, which means that the light waves are bent as they pass through the prism. This bending effect causes the different colors of light to separate and spread out, resulting in a spectrum of colors. This phenomenon is known as dispersion. Therefore, the statement "When white light passes through a prism, it is refracted and is separated into different colors" is true.Rate this question:
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- 25.
A clear glass window is a _____________ material. It allows light to pass through.
- A.
Opaque
- B.
Transparent
- C.
Translucent
Correct Answer
B. TransparentExplanation
A clear glass window is a transparent material because it allows light to pass through.Rate this question:
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- 26.
Frosted glasses are _____________ materials.
- A.
Translucent
- B.
Opaque
- C.
Translucent
Correct Answer
A. TranslucentExplanation
Frosted glasses are translucent materials because they allow light to pass through, but they scatter it in such a way that objects on the other side are not clearly visible. This effect is achieved by etching or sandblasting the surface of the glass, creating a rough texture that diffuses light. As a result, frosted glasses provide privacy while still allowing some amount of light to transmit through them.Rate this question:
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- 27.
____________ materials do not allow light to pass through them.
- A.
Translucent
- B.
Opaque
- C.
Transparent
Correct Answer
B. OpaqueExplanation
Opaque materials do not allow light to pass through them. Unlike translucent materials, which allow some light to pass through but scatter it, and transparent materials, which allow light to pass through without scattering, opaque materials absorb or reflect all light, making them impossible to see through.Rate this question:
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- 28.
Light travels in a straight path. When a material blocks the passage of light, a shadow is formed.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Light travels in a straight path because it is made up of particles called photons that move in straight lines. When a material blocks the passage of light, it creates an obstruction in the path of the photons, causing them to be unable to reach certain areas. This obstruction creates a shadow, which is an area where light cannot reach due to the blocking material. Therefore, the statement "Light travels in a straight path. When a material blocks the passage of light, a shadow is formed" is true.Rate this question:
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- 29.
The following are factors that affect the size and shape of a shadow.
- A.
The size of shadow can be changed by moving the object away or toward the source of light.
- B.
The size and shape of a shadow are affected by the kind of surface on which the shadow falls.
- C.
A and b
- D.
None of the above.
Correct Answer
C. A and bExplanation
Moving the object away or toward the source of light can change the size of the shadow because the distance between the object and the light source affects the angle at which the light rays hit the object and create the shadow. The kind of surface on which the shadow falls also affects its size and shape because different surfaces can reflect or absorb light differently, resulting in variations in the shadow's size and shape. Therefore, both factors mentioned in options a and b can affect the size and shape of a shadow.Rate this question:
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Nov 01, 2024Quiz Edited by
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Nov 19, 2011Quiz Created by
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