1.3 Volume and Density Flashcards
What are volume and density? How do they relate to each other?
Mass, volume and density are three of an object’s most basic properties. Mass is how heavy something is, volume tells you how big it is, and density is mass divided by volume. Although mass and volume are properties you deal with every day, the idea of density is a little less obvious and takes careful thought.
What is matter?
In classical physics and general chemistry, matter is any substance that has mass and takes up space by having volume.
Explain in your own words how volume is measured.
Volume is the amount of space taken up by an object, while capacity is the measure of an object’s ability to hold a substance, like a solid, a liquid or a gas. … Volume is measured in cubic units, while capacity can be measured in almost every other unit, including liters, gallons, pounds, etc.
Think about objects that have density. Compare two types of foods by explaining which one is denser.
For example if you have an apple the substances will be much denser, whilst if you have a piece of cotton candy the density will be far less.
How is volume measured for liquids and solids?
By convention, the volume of liquids and gases is often expressed in units of liters or milliliters, measured with glassware. The dimensions of regularly shaped solids can be measured directly with rulers or calipers, which have linear units, giving volumes in units such as cubic centimeters.
How do you determine the density of a substance or object?
Density is a measure of how compact the mass in a substance or object is. The density of an object or substance can be calculated from this equation: density in kilograms per meter cubed is equal to mass in kilograms, divided by volume in meters cubed (p = m / v).
When an object has a definite shape, how is it measured? Give an example of an object and the tool you would use to measure it.
Mass is the amount of matter in an object. Mass is measured in grams (1000 grams = 1 kilogram). 2. Solid- The particles of matter in a solid are tightly packed together and have a definite shape and take up a definite amount of space (volume)
What is a cylinder? Give an example of an object that’s a cylinder.
a solid geometric figure with straight parallel sides and a circular or oval cross section. A can.
What is height? Give an example.
the measurement from base to top or (of a standing person) from head to foot. My heigh is 5 feet and 3 inches.
What is radius? When might you need to measure an object’s radius?
a straight line from the center to the circumference of a circle or sphere. When you are trying to find the area of a cylinder.
When might a technique called water displacement be used?
Water Displacement. Volume is a measure of the amount of space an object takes up. When a cylinder is submerged in the water it pushes water out of the way. If you measure the amount the water level increases, you can find the volume of the water pushed out of the cylinder.
What is the relationship between mass, volume, and density?
For a given mass and volume, how much physical space a material takes up, of an object or substance, the density remains constant at a given temperature and pressure. The equation for this relationship is ρ = m / V in which ρ (rho) is density, m is mass and V is volume, making the density unit kg/m3.
What is the formula for measuring density of all matter? Explain how this formula works.
Density is calculated by dividing an object’s mass by its volume. … If a gas fills a cylinder, then find the the volume of that cylinder to determine the volume of the gas!
