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Properties of Matter

Grade 7 Science Worksheets

Matter is anything that has mass and takes up space. It can be found in many forms, such as solid, liquid, and gas. The properties of matter, such as density, color, and melting point, depending on the types of atoms, molecules, and ions that make it up and how they are arranged.

Table of Contents:

  • Properties of Matter
  • Examples
  • FAQs
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Properties of Matter - Grade 7 Science Worksheet PDF

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Matter can be made up of atoms, molecules, and ions, which are the building blocks of matter.

Some examples of matter include:

  • A rock is solid, it has a definite shape and volume and does not change shape easily.
  • Water is a liquid, it takes the shape of its container and has a definite volume.
  • Air is gas, it does not have a definite shape or volume, and it expands to fill the container.
  • Sugar is solid, it has a definite shape and volume, and it can be dissolved in water to form a solution.
  • Iron is solid, it has a definite shape and volume, and it can be magnetized.

 

properties of matter

 

The matter is anything that has mass and takes up space, it can be found in many forms, such as solid, liquid, and gas, and it is made up of atoms, molecules, and ions.

The properties of matter depend on the types of atoms, molecules, and ions that make it up and how they are arranged.

 

Properties of Matter (with Examples)

The following are the properties of matter:

1. Mass: The amount of matter in an object. The mass of an object can be measured using a balance scale. For example, a rock has more mass than a piece of paper.

2. Volume: The amount of space an object occupies. The volume of an object can be measured using a graduated cylinder or a ruler. For example, a gallon of water has a larger volume than a pint of water.

3. Density: The mass of an object divided by its volume. Density can be used to identify different types of matter. For example, gold has a higher density than aluminum, so a piece of gold that is the same size as a piece of aluminum will weigh more.

4. State of Matter: Solid, liquid, or gas. The state of matter is determined by the arrangement of the particles that make up the matter, and it’s affected by temperature and pressure. For example, ice is a solid, water is a liquid, and steam is a gas.

5. Melting and Boiling Point: The temperature at which a solid turns into a liquid (melting point) and a liquid turns into a gas (boiling point). These properties can be used to identify different types of matter, for example, the melting point of ice is 0 degree Celsius and the boiling point of water is 100 degrees Celsius.

6. Solubility: The ability of a substance to dissolve in a liquid. For example, sugar is soluble in water, it dissolves in water to form a solution, while oil is not soluble in water, it forms separate layers.

7. Conductivity: The ability of a substance to conduct heat or electricity. For example, metals are good conductors of heat and electricity, while non-metals are poor conductors of heat and electricity.

8. Elasticity: The ability of a substance to return to its original shape after being stretched or compressed. For example, rubber is elastic, it can be stretched and will return to its original shape, while glass is inelastic, it will break or crack when stretched.

9. Hardness: The resistance of a substance to being scratched or indented. For example, diamonds are very hard and can scratch most other materials, while talc is very soft and can be easily scratched.

10. Magnetism: The ability of a substance to be attracted to a magnet. For example, iron is magnetic, it will be attracted to a magnet, while gold is not magnetic and will not be attracted to a magnet.

 

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Properties of Matter FAQS

What is the main difference between mass and weight?

Mass is a measure of the amount of matter in an object, and it remains constant regardless of the location of the object. Weight is the force exerted on an object due to gravity, and it varies depending on the location of the object. For example, an object weighs less on the moon than it does on Earth due to the difference in gravity.

How can we measure density?

Density can be measured by dividing the mass of an object by its volume. This can be done by using a balance scale to measure the mass and a graduated cylinder or ruler to measure the volume.

What is the difference between elasticity and plasticity?

Elasticity is the ability of a substance to return to its original shape after being stretched or compressed. Plasticity is the ability of a substance to be permanently deformed without breaking.

How does temperature affect the state of matter?

Temperature affects the state of matter by affecting the movement and arrangement of the particles that make up the matter. Increasing the temperature increases the movement of the particles, which can cause a change in state of matter from solid to liquid or liquid to gas.

What is the melting point and boiling point?

Melting point is the temperature at which a solid turns into a liquid, and boiling point is the temperature at which a liquid turns into a gas. These properties can be used to identify different types of matter.

What is the difference between conductors and insulators?

Conductors are materials that allow electrons to flow through them easily, making them good conductors of heat and electricity. For example, copper, iron, sea water etc.  Insulators are materials that do not allow electrons to flow through them easily, making them poor conductors of heat and electricity.Some examples of insulators include non-metals, wood, plastic, and rubber.

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