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DO NOW LABEL LEFT AND RIGHT PAGES “PROPERTIES OF MATTER: DENSITY”

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Page 1: LABEL LEFT AND RIGHT PAGES - WordPress.com...mass volume We are trying to find density! mL g mL g mL g V m D 12 .516 12 .5 44 .9 562 DENSITY WITH VOLUME DIMENSIONS A box is determined

DO NOWLABEL LEFT AND RIGHT PAGES

“PROPERTIES OF MATTER: DENSITY”

Page 2: LABEL LEFT AND RIGHT PAGES - WordPress.com...mass volume We are trying to find density! mL g mL g mL g V m D 12 .516 12 .5 44 .9 562 DENSITY WITH VOLUME DIMENSIONS A box is determined

What was the independent (test) variable?

What was the dependent (outcome) variable?

Which trial was solid, liquid, gas? Explain.

What errors were present in this model?

How could those errors be resolved in future testing?

LAB

DEBRIEF

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Mass Vs. Weight

Page 4: LABEL LEFT AND RIGHT PAGES - WordPress.com...mass volume We are trying to find density! mL g mL g mL g V m D 12 .516 12 .5 44 .9 562 DENSITY WITH VOLUME DIMENSIONS A box is determined

Physical Science…

Page 5: LABEL LEFT AND RIGHT PAGES - WordPress.com...mass volume We are trying to find density! mL g mL g mL g V m D 12 .516 12 .5 44 .9 562 DENSITY WITH VOLUME DIMENSIONS A box is determined

Mass• The MASS of an object is a measure of how much matter it contains.

• Even when an object is out in space, it still has mass, even though it does not have weight due to a lack of gravity.

Quick Check: Which object has more mass:

the ping pong ball or the golf ball? EXPLAIN.

Page 6: LABEL LEFT AND RIGHT PAGES - WordPress.com...mass volume We are trying to find density! mL g mL g mL g V m D 12 .516 12 .5 44 .9 562 DENSITY WITH VOLUME DIMENSIONS A box is determined

Measuring Mass (Massing)• Measured in GRAMS (milligram, kilogram, etc.)

• Measured using a triple beam balance (below).

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Weight

• An object’s weight is based on the amount of gravity pulling on it.

• Weight can change depending on what planet you are on.

Page 8: LABEL LEFT AND RIGHT PAGES - WordPress.com...mass volume We are trying to find density! mL g mL g mL g V m D 12 .516 12 .5 44 .9 562 DENSITY WITH VOLUME DIMENSIONS A box is determined

Measuring Weight (Weighing)

• Measured in Newtons, pounds are most common.

• Measured using a spring scale (below) or digital scale.

Page 9: LABEL LEFT AND RIGHT PAGES - WordPress.com...mass volume We are trying to find density! mL g mL g mL g V m D 12 .516 12 .5 44 .9 562 DENSITY WITH VOLUME DIMENSIONS A box is determined
Page 10: LABEL LEFT AND RIGHT PAGES - WordPress.com...mass volume We are trying to find density! mL g mL g mL g V m D 12 .516 12 .5 44 .9 562 DENSITY WITH VOLUME DIMENSIONS A box is determined

One Sentence Summary

Mass measures the _________________________________ of a substance, while WEIGHT measures the amount of ________________________________ on a substance

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MEASURING

MATTER:

DENSITY

Page 12: LABEL LEFT AND RIGHT PAGES - WordPress.com...mass volume We are trying to find density! mL g mL g mL g V m D 12 .516 12 .5 44 .9 562 DENSITY WITH VOLUME DIMENSIONS A box is determined

Picture

Definition Formula

Units

DENSITY

A measure of the matter

(mass) inside a certain volume.

What You are Measuring?

Possible Units

Mass (m) g, kg

Volume (V) mL, cm3

Density (D) mL

g3cm

g

More Dense

LessDense

Page 13: LABEL LEFT AND RIGHT PAGES - WordPress.com...mass volume We are trying to find density! mL g mL g mL g V m D 12 .516 12 .5 44 .9 562 DENSITY WITH VOLUME DIMENSIONS A box is determined

PHYSICAL PROPERTIES OF

MATTER SUCH AS

DENSITY…

DO NOT CHANGE!!

Page 14: LABEL LEFT AND RIGHT PAGES - WordPress.com...mass volume We are trying to find density! mL g mL g mL g V m D 12 .516 12 .5 44 .9 562 DENSITY WITH VOLUME DIMENSIONS A box is determined
Page 15: LABEL LEFT AND RIGHT PAGES - WordPress.com...mass volume We are trying to find density! mL g mL g mL g V m D 12 .516 12 .5 44 .9 562 DENSITY WITH VOLUME DIMENSIONS A box is determined

DENSITY DOES NOT CHANGE:

The density of gold is 19.30 g/cm³

So, whether you have a gold brick or a gold coin, the density of the gold is….

…19.30 g/cm³!!

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Sample SSA Question

The table shows some properties of four different substances. The picture shows a solid sphere of one of the four substances in a water-ethanol solution, which has a density of 0.9199g/mL. The sphere is more likely composed of which substance?

a) Substance Q

b) Substance R

c) Substance S

d) Substance T

Page 17: LABEL LEFT AND RIGHT PAGES - WordPress.com...mass volume We are trying to find density! mL g mL g mL g V m D 12 .516 12 .5 44 .9 562 DENSITY WITH VOLUME DIMENSIONS A box is determined

BASIC DENSITY PROBLEMWhat is the density of a piece of metal if the mass of the metal is 562 grams, and it occupies 44.9mL of space?

mass volume

We are trying to find density!

mL

g

mL

g

mL

g

V

mD 5.12516.12

9.44

562

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DENSITY WITH VOLUME DIMENSIONSA box is determined to have a mass of 15.50g. Its dimensions are determined to be 2.4cm x 5.6cm x 6.70cm. What is the density of this box? Would this box float in water?

mass

dimensions of the box

We are trying to find density, but first we need to calculate volume!

33317.0172130.0

048.90

50.15

cm

g

cm

g

cm

g

V

mD

3048.9070.66.54.2 cmcmcmcmhwlVolume

The box will float because its density is less than the density of water.

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lecturePLUS Timberlake 19

DENSITY WITH DISPLACEMENT

What is the density of 48 g of a metal if the metal raises the level of water in a graduated cylinder from 25 mL to 33 mL?

33 mL

25 mL

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lecturePLUS Timberlake 20

SOLUTION

Volume (mL) of water displaced

= 33 mL - 25 mL = 8 mL

D = mass = 48 g =

volume 8 mL

= 6 g/mL

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• Gabriel is testing the properties of four brands of golf balls. He places them in graduated cylinders containing 100 milliliters (mL) of water and determines that each ball has a volume of 20 cubic centimeters (cm3). He places the balls on a balance and finds that each has a different mass measured in grams (g). The properties of the golf balls are shown in the chart below.

Gabriel uses these numbers to find the density of the

golf balls. Water has a density of 1.0 g/cm3.

Which ball will float? (D = m/V)

a) A. Ball A

b) B. Ball B

c) C. Ball C

d) D. Ball D

Page 22: LABEL LEFT AND RIGHT PAGES - WordPress.com...mass volume We are trying to find density! mL g mL g mL g V m D 12 .516 12 .5 44 .9 562 DENSITY WITH VOLUME DIMENSIONS A box is determined

1 A rectangular block of copper has a mass of 1896 g. and is 8.4 cm long, 5.5 cm wide and 4.6 cm high. What is the density of the block of copper?

2. A 285 g piece of iron is added to a graduated cylinder containing 45.50 mL of water. The water level rises to 49.10 mL. Calculate the density of the iron.

Page 23: LABEL LEFT AND RIGHT PAGES - WordPress.com...mass volume We are trying to find density! mL g mL g mL g V m D 12 .516 12 .5 44 .9 562 DENSITY WITH VOLUME DIMENSIONS A box is determined

LIQUID LAYERS – CHECK IT OUT!

• Which liquid has the highest density?

• Which liquid has the lowest density?

• Which liquid has the middle density?

Can you tell the density of something by looking at it?

Page 24: LABEL LEFT AND RIGHT PAGES - WordPress.com...mass volume We are trying to find density! mL g mL g mL g V m D 12 .516 12 .5 44 .9 562 DENSITY WITH VOLUME DIMENSIONS A box is determined

DENSITY

• The density of a substance does not change! If you were to break a ruler in half, BOTH pieces will have the same density as the original ruler.


DENSITY – THE MASS OF ONE CM 3 OR ONE ML OF A SUBSTANCE Mercury 13.6 g/cm 3 21.5 g/cm 3 Aluminum 2.7 g/cm 3 Platinum

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Report Sheet - Lab 2 - Test Bank 1 · Density and Specific Gravity 23 Q.2 What is the mass of a solution that has a density of 0.775 g/mL and a volume of 50.0 mL? 50.0 mL x 0.775

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