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Topic : M easurement Aim : How can we measure mass and temperature? PowerPoint PPT Presentation


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Topic : M easurement Aim : How can we measure mass and temperature? Do Now : Scientific Method questions (Hand in Lab Safety Activity) HW:. 9 cm. 8 cm. 10 cm. V = L x W x H. V = 10cm x 8cm x 9cm. V = 720 cm 3. Example:. V = 20 –11.5 V = 8.5 mL. V1 =11.5 mL. V2 = 20 mL.

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Topic : M easurement Aim : How can we measure mass and temperature?

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Topic m easurement aim how can we measure mass and temperature

Topic: Measurement

Aim: How can we measure mass and temperature?

Do Now: Scientific Method questions

(Hand in Lab Safety Activity)

HW:


Topic m easurement aim how can we measure mass and temperature

9 cm

8 cm

10 cm

V = L x W x H

V = 10cm x 8cm x 9cm

V = 720 cm3


Topic m easurement aim how can we measure mass and temperature

Example:

V = 20 –11.5

V = 8.5 mL

V1 =11.5 mL

V2 = 20 mL


Topic m easurement aim how can we measure mass and temperature

Amount of matter in an object

Grams (g)

TRIPLE BEAM BALANCE

Mass


Topic m easurement aim how can we measure mass and temperature

http://www.ohaus.com/input/tutorials/tbb/TBBins.html


Topic m easurement aim how can we measure mass and temperature

Mass = 542 gm


Topic m easurement aim how can we measure mass and temperature

172 g

http://www.wisc-online.com/objects/ViewObject.aspx?ID=gch202


Topic m easurement aim how can we measure mass and temperature

Measures temperature

Tube filled with a fluid such as alcohol

Thermometer


Topic m easurement aim how can we measure mass and temperature

Fahrenheit Scale: Non-metric temp scale

2 scales used to measure temperature

°F


Topic m easurement aim how can we measure mass and temperature

Water freezes = 32°F

Water boils = 212°F

Human body temp = 98.6°F


Topic m easurement aim how can we measure mass and temperature

2.Celsius Scale: Metric scale

°C


Topic m easurement aim how can we measure mass and temperature

Water freezes = 0°C

Water boils = 100°C

Human body temp = 37°C


Measuring with a thermometer

Measuring with a thermometer

24°C


Topic m easurement aim how can we measure mass and temperature

Let’s summarize…

What is the name of the instrument used to measure mass?

Identify the units used to measure mass.

What instrument is used to measure temperature?

Identify the two temperature scales used. Explain the difference between the two scales.


Topic m easurement aim how can we measure mass and temperature

Mass = 137.4 gm


Topic m easurement aim how can we measure mass and temperature

Mass = 25.4 gm


Topic m easurement aim how can we measure mass and temperature

Mass = 79.4 gm


Topic m easurement aim how can we measure mass and temperature

Review:

1. Which piece of laboratory equipment would be used to obtain the most accurate measure of the volume of a glucose solution?

triple beam balance

graduated cylinder

beaker

metric ruler


Topic m easurement aim how can we measure mass and temperature

2. Which piece of equipment could be used to determine the mass of a frog?

triple beam balance

graduated cylinder

beaker

metric ruler


Topic m easurement aim how can we measure mass and temperature

3. Mass is best defined as the

size of an object

density of an object

amount of matter in an object

weight of an object


Topic m easurement aim how can we measure mass and temperature

4. The amount of space an object takes up is known as its

mass

density

volume

matter


Topic m easurement aim how can we measure mass and temperature

5. The units for the volume of a solid is

mL

mm

L

cm3


Topic m easurement aim how can we measure mass and temperature

6. The basic unit of volume in the metric system is the

kilogram

gallon

liter

mass


Topic m easurement aim how can we measure mass and temperature

7. The basic unit of mass in the metric system is the

kilogram

gallon

liter

meter


Topic m easurement aim how can we measure mass and temperature

8. To measure the volume of an irregular solid, a student can use

a triple beam balance

a beaker

displacement in a graduated cylinder

a thermometer


Topic m easurement aim how can we measure mass and temperature

9. The volume of a liquid is 13.0 mL. What must a student do to obtain a volume of 12.5 mL of liquid in the graduated cylinder?

Add 0.5 mL of liquid.

Add 1.5 mL of liquid.

Remove 0.5 mL of liquid.

Remove 1.5 mL of liquid.


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