22 Questions
Water is denser than the solid state of matter.
False
Liquids have a specific shape.
False
The molecules in liquids are closer together than in solids.
False
Gases have higher cohesion than liquids.
False
The density of a liquid decreases when it solidifies.
False
The volume of liquid is usually measured in liters.
False
1 cm3 is equivalent to 1 milliliter.
True
The volume of a body is measured in square centimeters.
False
To calculate the volume of a regular object like a solid cuboid, you multiply its length by its width by its weight.
False
Matter has two common states: liquid and gas.
False
Particles of matter in the solid state move freely and change shape easily.
False
Gases have a specific shape and occupy any space in which they are placed.
False
The density of a liquid decreases when it freezes.
False
In the solid state, molecules have higher energy compared to gas molecules.
False
Liquids have a specific shape.
False
Water becomes less dense when it freezes.
True
To measure the volume of an irregular object, it is included and measured in a laboratory.
True
The volume of a solid body is measured in units called cubic centimeters (cm2).
False
Particles of matter in the solid state move freely and change shape easily.
False
The volume of liquid is usually measured in milliliters (1000 ml = 1 liter).
True
Matter has three common states: solid, liquid, and gas.
True
1 cm3 equals the volume of a cube with a length of 1 cm, a width of 1 cm, and a height of 1 cm.
True
Study Notes
Volume of a Body
- The space occupied by a body is called volume.
- Volume of a liquid is measured by pouring it into a graduated tester and reading the scale at which the liquid level reaches.
- Volume of liquid is usually measured in milliliters (ml), with 1000 ml equal to 1 liter.
- Volume of a solid body is measured in cubic centimeters (cm3), with 1 cm3 equal to 1 ml.
Calculating Volume
- Volume of a regular object, such as a solid cuboid, can be calculated by multiplying its length (L) by its width (Z) by its height (H): L x Z x H.
- Volume of an irregular object is measured by displacing water in a laboratory, with the height of the displaced water in milliliters indicating the volume of the body in cubic centimeters.
States of Matter
- Matter has three common states: solid, liquid, and gas.
- Each state has its distinctive characteristics.
Solid State
- Solids have a definite shape and take up a definite amount of space, regardless of the container.
- Particles of matter in the solid state vibrate in place, with limited movement.
- Solids are the densest state of matter, except for water.
- Shape and size of a solid change only when it is heated or crushed.
Liquid State
- Liquids do not have a specific shape and take the shape of the container.
- Molecules in liquids are far apart, moving more freely than in solids but less than in gases.
- Liquids have a slightly higher energy than solids and less than gases.
- Density of a liquid increases when it turns into a solid.
- Water is an exception, becoming less dense when it freezes.
Gaseous State
- Gases do not have a specific shape and occupy any space.
- Molecules in gases are in constant motion, spreading in every direction.
- Gases are the least cohesive and dense of the three states of matter.
Learn about the concept of volume, how it is measured in liquids using graduated testers, and in solids using cubic centimeters. Understand the relationship between milliliters and liters in liquid volume measurement, and the equivalency between cubic centimeters and milliliters.
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