# Properties And Structures Of Matter

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This quiz is on 5th grade science. It is about Properties and Structures of Matter. There will be questions about atoms, measures, elements, and all of that is about MATTER! Please don't cheat. . . . . . . I hope you studied! This is not that easy. . . But it is if you DID study! Enjoy your quiz and I hope you pass your test. . Online and at school! :)

• 1.

### What is the definition of volume?

• A.

A measure of how much smell an object takes up

• B.

A measure of how much space an object takes up

• C.

Sound: How soft or how low

• D.

A line of precipitation

B. A measure of how much space an object takes up
Explanation
In this case, the answer is B because we are taking a quiz on science, and volume takes up space.

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• 2.

### The measure of how tightly packed an object is...is called ____________.

• A.

Density

• B.

Matter

• C.

Sweater

• D.

Molecule

A. Density
Explanation
Density is the measure of how tightly packed an object is. It is a physical property that describes the amount of mass per unit volume of a substance. The higher the density, the more mass is packed into a given volume, indicating a higher degree of compactness. Density is commonly used to compare the heaviness of different materials or substances and is calculated by dividing the mass of an object by its volume.

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• 3.

### An _________ is the smallest unit of an element that remains the same properties of that element.

• A.

Compound

• B.

Ant

• C.

Molecule

• D.

Atom

D. Atom
Explanation
An atom is the smallest unit of an element that retains the same properties of that element. Atoms are composed of protons, neutrons, and electrons. They are the building blocks of matter and cannot be broken down further without losing the characteristic properties of the element. Compounds are formed when atoms of different elements combine, while molecules are made up of two or more atoms bonded together. An ant is a living organism and not related to the properties of elements.

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• 4.

### The temperature at which a substance changes from a liquid to a solid is called the ______________   __________.

• A.

Melting point

• B.

Boiling point

• C.

Freezing point

• D.

Sweating point

C. Freezing point
Explanation
The temperature at which a substance changes from a liquid to a solid is called the freezing point. This is the temperature at which the substance loses enough heat energy to solidify and form a solid state.

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• 5.

### What is an element?

• A.

A pure substance that cannot be broken down into any simpler substance

• B.

An animal with along trunk

• C.

A type of particle

• D.

The force of gravity between the sun and pluto

A. A pure substance that cannot be broken down into any simpler substance
Explanation
An element is a pure substance that cannot be broken down into any simpler substance. This means that it consists of only one type of atom and cannot be further divided or separated into other substances. Elements are the building blocks of matter and are represented by symbols on the periodic table. They can combine with other elements to form compounds, but they themselves cannot be broken down into simpler substances.

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• 6.

### What is a chemical combination of two or more elements into a single substance?

• A.

Compound

• B.

Liquid

• C.

Mass

• D.

Proton

A. Compound
Explanation
A compound is a chemical combination of two or more elements into a single substance. When elements chemically react with each other, they form compounds with unique properties and characteristics. Compounds are made up of atoms of different elements that are bonded together in specific ratios. These bonds can be either ionic or covalent, depending on the nature of the elements involved. Compounds have a fixed composition and can be represented by a chemical formula.

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• 7.

### _______________   _________ is the particular temperature for each substance at which it changes state from a liquid to a gas.

• A.

Boiling point

• B.

Sleeping point

• C.

98 degrees

• D.

Melting point

A. Boiling point
Explanation
The boiling point is the particular temperature for each substance at which it changes state from a liquid to a gas.

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• 8.

### What is a molecule?

• A.

A pie that has 7 atoms together

• B.

A particle that contain more than one atom joined together

• C.

A store in Fredericksburg

• D.

A temperature that is over 1000 degrees

B. A particle that contain more than one atom joined together
Explanation
The correct answer is "a particle that contains more than one atom joined together." A molecule is a fundamental unit of a chemical compound that consists of two or more atoms bonded together. This definition accurately describes the nature of a molecule as a particle formed by the combination of atoms.

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• 9.

### The temperature at which a solid changes into a liquid is called the __________________    ______________.

• A.

Friendship point

• B.

Highlight point

• C.

Freezing point

• D.

melting point

D. melting point
Explanation
The temperature at which a solid changes into a liquid is called the melting point.

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• 10.

### The uncharged particle in the nucleus of an atom is the _____________.

• A.

Molecule

• B.

Nucleus

• C.

Neutron

• D.

Electron

C. Neutron
Explanation
The uncharged particle in the nucleus of an atom is the neutron. Unlike protons and electrons, which carry positive and negative charges respectively, neutrons have no charge. They are responsible for adding mass to the nucleus without contributing to the overall charge of the atom. Neutrons play a crucial role in determining the stability and properties of an atom, such as its nuclear reactions and isotopes.

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• 11.

### The dense center of an atom where most of its mass is...is called the__________.

• A.

Neutron

• B.

Nucleus

• C.

Sunlight

• D.

Plants

B. Nucleus
Explanation
The dense center of an atom where most of its mass is located is called the nucleus. The nucleus contains protons and neutrons, which are the particles that make up the majority of an atom's mass. The neutrons have no charge, while the protons have a positive charge. The nucleus is surrounded by a cloud of electrons, which have a negative charge, and they orbit around the nucleus in specific energy levels. The nucleus is crucial for the stability and overall structure of an atom.

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• 12.

### Solid, Liquid, and Gas are call the  3  __________     ___     ______________.

• A.

States of matter

• B.

States of mass

• C.

3 types of atoms

• D.

A particle

A. States of matter
Explanation
The given correct answer states that solid, liquid, and gas are called the states of matter. This is because matter exists in different forms, and these three are the most common states in which matter can exist. Solid refers to a state where particles are tightly packed and have a fixed shape, liquid refers to a state where particles are close together but can move freely, and gas refers to a state where particles are far apart and move freely. These states of matter are fundamental concepts in chemistry and physics.

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• Current Version
• Mar 21, 2023
Quiz Edited by
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• Mar 19, 2009
Quiz Created by
Teetee98

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