Are You Ready To Take This Chemistry Quiz On Matter?

A solid is a state of matter that has a definite shape and volume. It is characterized by particles that are closely packed together and have strong intermolecular forces. Unlike squishy or slimey substances, solids do not flow or change shape easily. They maintain their form unless acted upon by an external force. Therefore, solid is the correct answer as it fits the description of a state of matter.

Dew is not an example of a solid because it is a liquid. Solids have a definite shape and volume, whereas liquids do not have a definite shape but have a definite volume. Dew is formed when water vapor in the air condenses on surfaces such as grass or leaves, resulting in tiny droplets of liquid. Therefore, dew does not exhibit the characteristics of a solid.

Crackers are not an example of a liquid because they are solid food items. Liquids are substances that flow freely and do not have a fixed shape, whereas crackers have a rigid structure and maintain their shape. Water and milk, on the other hand, are examples of liquids as they can be poured and take the shape of their container.

An atom is the smallest complete piece of an element. It consists of a nucleus, which contains protons and neutrons, and electrons that orbit around the nucleus. Atoms are the building blocks of matter and cannot be broken down further without losing their chemical properties.

The piece of an atom that has a positive charge is called a proton. Protons are subatomic particles found in the nucleus of an atom. They have a positive electrical charge and contribute to the overall positive charge of the nucleus. Electrons, on the other hand, have a negative charge, while the nucleus is made up of protons and neutrons.

An atom's protons will always be found in the nucleus. The nucleus is the central part of an atom, where the protons and neutrons are located. Protons have a positive charge and are essential for determining the identity and atomic number of an element. The nucleus is surrounded by electron shells, where the electrons are found. However, protons specifically reside within the nucleus.

In a solid, the molecules are packed closely together. This means that the molecules are in close proximity to each other, forming a tightly packed structure. This arrangement gives solids their characteristic rigidity and shape. The molecules in a solid are held together by strong intermolecular forces, which prevent them from moving freely and keep them in a fixed position. As a result, solids have a definite volume and shape.

In a liquid, the molecules have enough energy to move around and are not held in fixed positions like in a solid. This movement causes the molecules to spread apart from each other, although they are still close enough to interact with one another. Therefore, the correct answer is "spread apart".

The molecules in a gas are spread far apart. In a gas, the molecules have high kinetic energy and are constantly moving. They are not held together by strong forces, allowing them to move freely and occupy a larger volume compared to liquids or solids. This results in the molecules being spread far apart from each other.

Heat is one example of energy because it is a form of energy transfer that occurs due to the difference in temperature between two objects or systems. Heat energy is the result of the random motion of particles within a substance and can be converted into other forms of energy, such as mechanical or electrical energy. Therefore, heat is a specific type of energy that is associated with the transfer of thermal energy from a hotter object to a cooler object.

A liquid is a state of matter that has a definite volume but takes the shape of its container. Unlike solids, which have a fixed shape, liquids are able to flow and conform to the shape of their container. This property is due to the relatively weak forces of attraction between the particles in a liquid, allowing them to move past one another. Therefore, a liquid is the state of matter that exhibits the behavior described in the question.

A solid is the state of matter that maintains its own shape. Unlike liquids and gases, solids have a fixed volume and their particles are closely packed together, resulting in a rigid structure. This allows solids to maintain their shape even when subjected to external forces.

Gas is the correct answer because it is the state of matter that has no definite shape or volume and can fill any container or space it occupies. Unlike solids and liquids, gases have particles that are not tightly packed together and are free to move around. This allows gases to expand and fill all available space, making them the state of matter that can completely occupy a given space.

When you change an object's basic characteristics like size and shape, it is considered a physical change. This is because the change does not alter the chemical composition or identity of the object. The molecules and atoms remain the same, only their arrangement and physical properties are affected.

When an object is changed into a completely new object, it indicates a chemical change. In a chemical change, the substances involved undergo a chemical reaction, resulting in the formation of new substances with different properties. This change involves the breaking and forming of chemical bonds, resulting in a transformation at the molecular level. This is different from a physical change, where the properties of the substance may change, but the chemical composition remains the same. The term "special" does not accurately describe the type of change being discussed.

The correct answer is "takes up space." This is because matter is anything that has mass and occupies space. It means that matter has volume and can be measured in terms of how much space it occupies. Therefore, all matter takes up space.

The process described in the question is the change from solid water to a liquid state. This process is known as melting.

The process of changing from liquid water to a solid is called freezing. This occurs when the temperature of the water is lowered below its freezing point, causing the water molecules to slow down and form a solid structure. During freezing, the water molecules arrange themselves into a regular pattern, resulting in the formation of ice.

The periodic table is used to organize the known elements. It arranges the elements in order of increasing atomic number and groups them based on their similar properties. This table provides a systematic way to categorize and study the elements, allowing scientists to understand their relationships and patterns. It is a fundamental tool in chemistry and serves as a reference for various scientific disciplines.

Energy is not a common property of matter because it is not an inherent characteristic of all forms of matter. While mass and volume are physical properties that can be measured and observed in all types of matter, energy is a separate entity that can exist independently of matter. Energy is the capacity to do work or produce heat, and while it can interact with matter and be transferred between different forms, it is not an inherent property of matter itself.

The elements on the periodic table are organized by their atomic number. This is because the atomic number represents the number of protons in an atom's nucleus, which determines its chemical properties. The periodic table arranges the elements in order of increasing atomic number, allowing for a systematic organization of elements and their properties. Atomic mass and atomic symbol are not used as the primary basis for organizing the elements on the periodic table.

Water is a compound made up of two elements, hydrogen and oxygen. The chemical formula for water is H2O, which means that each water molecule consists of two hydrogen atoms bonded to one oxygen atom. This combination of elements gives water its unique properties, such as its ability to dissolve many substances and its role as a universal solvent.

Plasma is a super charged and energy-filled state of matter that exists when a gas is heated to extremely high temperatures or exposed to a strong electric field. In this state, the electrons are separated from their atoms, creating a mixture of positively charged ions and negatively charged electrons. Plasma is commonly found in stars, lightning, and certain man-made devices like plasma TVs and fluorescent lights. It is considered the fourth state of matter, distinct from solid, liquid, and gas, due to its unique properties and behavior.

The protons and neutrons in an atom are contained in the nucleus. The nucleus is the central part of an atom, consisting of protons and neutrons. It is surrounded by a cloud of electrons that occupy the electron shells. However, the protons and neutrons are specifically located within the nucleus, which is why the correct answer is "nucleus".

Inertia is the tendency of an object to resist changes in its state of motion. According to Newton's first law of motion, an object at rest will stay at rest and an object in motion will continue moving at a constant velocity unless acted upon by an external force. This means that matter cannot move on its own without the influence of an external force due to its inertia.

A shadow is not an example of matter because it is simply the absence of light. Matter is anything that has mass and occupies space, while a shadow is just a dark area created when an object blocks light. It does not have mass or occupy space itself, making it not an example of matter.

The piece of an atom that has a negative charge is called an electron. Electrons are subatomic particles that orbit around the nucleus of an atom and are responsible for carrying electrical charge. They are much smaller and lighter than protons and neutrons, and their movement determines the chemical and physical properties of an element.

Atoms can combine with other types of atoms to form molecules. Molecules are formed when two or more atoms chemically bond together. This bonding can occur between atoms of the same element or different elements. Molecules are the smallest units of a compound that retain the chemical properties of that compound. They can be represented by chemical formulas, which show the types and numbers of atoms present in the molecule.

Mass is the correct answer because it refers to the measurement of the amount of matter that exists. Mass is a fundamental property of an object and is independent of its location or the forces acting upon it. It is commonly measured in units such as kilograms or pounds. Volume refers to the amount of space occupied by an object, while inertia is the resistance of an object to changes in its state of motion.

Molecules are constantly in motion due to their kinetic energy. This movement can be in the form of vibration, rotation, or translation. Therefore, the correct answer is "moving".

Burning is an example of a chemical change because it involves a chemical reaction where the substance being burned undergoes a transformation in its molecular structure. This results in the release of energy in the form of heat and light. Unlike physical changes, which only affect the physical properties of a substance without altering its composition, burning causes a permanent change in the chemical makeup of the material being burned.

The amount of matter has not changed since the Earth was formed. Matter cannot be created or destroyed, only transformed or rearranged. The Earth's matter has been recycled and redistributed over billions of years through processes such as volcanic activity, erosion, and the water cycle, but the total amount of matter remains constant.

The correct answer is conservation of mass. This principle states that in any physical or chemical process, the total mass of the system remains constant. This means that matter cannot be created or destroyed, only transformed or rearranged. This principle is a fundamental concept in chemistry and physics and is supported by experimental evidence.