Topic: Measurements and Density

Time - Instruments: - Units: -

Length - Instruments: - Units: - 5,280 feet = 1 mile = 1.6 kilometer

Metric System Kilometer Decameter Meter Decimeter Centimeter Millimeter Hectometer Based on a Factor of 10

Reading a metric ruler correctly: This point can be read as 6.70 cm. or 67.0 mm.

More Practice! -- -

Temperature - Instruments: - Units: - ESRT pg 13

Mass - Instruments: - Units: -

Mass vs. Weight Mass - - Weight - -

Think of Astronauts The Moon’s gravity is 1/6 th of the Earth’s If you weight 130 pounds on Earth, on the Moon you would weigh 21.7 lbs. Space suit worn by astronauts weighed 180 pounds on Earth and 30 pounds on the Moon with the reduced lunar gravity.

Volume - Instruments: - Units: - V = -

Measuring Volume Width Height Length

Measuring Volume

Just Right

Practice -

Water Displacement Method Meniscus How do you measure volume for an irregular object?

Measuring Volume Always read the meniscus How do we measure volume of a irregular object? Volume with object Original Volume

Density - ESRT pg 1 - Density = mass/volume Units = g/cm 3 or g/ml

When volume is constant (same)… Mass decreases, - Mass increases, -

When Stating a Measurement Remember the… cm 0 C cm 3 ml sec.g

Question A cube has a mass of 18 g, volume 6 cm 3. If cut exactly in half, what happens to the density? *__

FQ What is the volume of this rock?

Topic: Density changes with Temperature & Pressure

Phases Of Matter

Phases of Matter In most cases - are the - dense, - are in the - and - are the - dense. The exception is - because the - phase is the - dense

As temperature increases, -

When mass is constant (same)… Volume decreases (compacts), atoms are closer together - Volume increases (expands), atoms are farther apart, -

Heater Convection – -

Pressure -

Pressure increases, volume decreases, -

Pressure decreases, volume increases -

FQ: Why did the tea bag rise to the ceiling? (Include density in your answer)