Introduction to Matter

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Presentation transcript:

Introduction to Matter 6th Grade Science Ms. Slack

Matter Anything that has mass and takes up space Examples:

4 General Properties of Matter Density Mass Volume Weight

Memory Trick At the DMV you “Weight” At the Density Mass Volume you Weight.

Mass vs. Weight Mass- the amount of material in an object Units for mass: Mass is different form weight because:

Mass vs. Weight Weight- The measure of how hard gravity pulls on an object. Units for weight:

Weight = Mass in Kg x Gravity Formula for Weight Weight = Mass in Kg x Gravity

Calculating Weight What is the weight of a desk with a mass of 100 Kg on the planet earth with a gravitational pull of 9.8? Formula: Substitute: Solve:

Calculating Weight What is the weight of a man with a mass of 65 Kg on the planet WAMS which has a gravitational pull of 2? Formula: Substitute: Solve:

Volume The amount of space an object takes up

Volume = length x width x height Volume of a Solid Formula: Volume = length x width x height

Water Displacement The method of measuring volume of irregularly-shaped objects

Water Displacement Steps of Water Displacement Pour water into a graduated cylinder. Record the volume of the water. Place the object in the cylinder. The water level will then rise. Record the new volume. Subtract the volume of the water from the volume of the water and the object. The difference will be the volume of the object.

Units for Volume Units used for a solid: Units used for a liquid _____________ = ______________

Calculating Volume Calculate the volume of the following cube: Formula: Substitute: Solve: 2 cm 5 cm 10 cm

Calculating Volume A graduated cylinder has been filled with 35 mL of water. A stone is added to the graduated cylinder and the water level rises to 42 mL, what is the volume of the stone?

Density A measurement of how tightly the matter of a substance is packed into a given volume.

Density Formula for Density: Mass Volume Density =

Density Magic Triangle of Density

Solve for Density If you have a metal bar that has a mass of 57.9 g and a volume of 3 cm3, what is the density of the metal bar? Formula: Substitute: Solve:

Solve for Volume If you have a block bar that has a mass of 99.0 g and a density of of 3 g/cm3, what is the volume of the metal bar? Formula: Substitute: Solve:

Solve for Mass If you have a rock that has a density of 20 g/cm3 and a volume of 3 cm3, what is the mass of the rock? Formula: Substitute: Solve: