Combine together these Combine together these ingredients:ingredients:

Some butterSome butter Some sugarSome sugar A little saltA little salt A lot of flourA lot of flour

A bunch of nutsA bunch of nuts A whole lot of oatmealA whole lot of oatmeal A little baking powderA little baking powder

Next…Next…

Mix well Mix well Heat up the ovenHeat up the oven Bake them for a long time.Bake them for a long time.

What is wrong with this recipe?What is wrong with this recipe?

Think about this:Think about this:

When have you ever needed to know an exact When have you ever needed to know an exact quantity or size?quantity or size?

Describe a time when you had to explain to Describe a time when you had to explain to someone an exact quantity or dimension.someone an exact quantity or dimension.

What equipment have you used to measure What equipment have you used to measure things?things?

Triple Beam BalanceTriple Beam Balance

Measures mass (how much stuff something is)Measures mass (how much stuff something is) The readings are labeled with grams, such as 15.0g.The readings are labeled with grams, such as 15.0g.

Rulers and Meter SticksRulers and Meter Sticks

Measure length (how long something is)Measure length (how long something is) Label measurements with centimeters ( 5.3 cm)Label measurements with centimeters ( 5.3 cm) 10 mm=1cm10 mm=1cm 100cm = 1 m100cm = 1 m

Graduated CylinderGraduated Cylinder

Measures volume (how much space something takes Measures volume (how much space something takes up)up)

Measured in mL or cmMeasured in mL or cm3 (such as 9.3 mL)

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ThermometerThermometer

Measures temperature (how much heat is in Measures temperature (how much heat is in something)something)

Uses units called degrees Celsius or degrees Uses units called degrees Celsius or degrees Fahrenheit. Such as 37°C or 98.6°FFahrenheit. Such as 37°C or 98.6°F

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Spring ScaleSpring Scale

Used to measure the strength of a force (a push or a Used to measure the strength of a force (a push or a pull)pull)

The unit we use to label with is the Newton The unit we use to label with is the Newton

(such as 5 N of force)(such as 5 N of force)

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Scientists use a variety of tools Scientists use a variety of tools for measuring for measuring

Triple beam balances for massTriple beam balances for mass Thermometers for temperatureThermometers for temperature Spring Scales for forceSpring Scales for force Graduated Cylinders for volumeGraduated Cylinders for volume Rulers and meter sticks for lengthRulers and meter sticks for length

Using a triple beam balanceUsing a triple beam balance

Rachel Spencer shows Rachel Spencer shows us how!us how!

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Using a triple beam balanceUsing a triple beam balance

1. Move all riders to zero1. Move all riders to zero 2. Use the adjusting screw to set the pointer at zero 2. Use the adjusting screw to set the pointer at zero

on the indicator.on the indicator. 3. Place an object on the pan3. Place an object on the pan

4. Adjust the riders (starting with the biggest) until 4. Adjust the riders (starting with the biggest) until the pointer points at zero on the indicator.the pointer points at zero on the indicator.

5. Add the grams on the 3 beams together5. Add the grams on the 3 beams together 6. Write the total mass on your paper6. Write the total mass on your paper 7. Label your answer in grams. 7. Label your answer in grams.

TemperatureTemperature

TemperatureTemperature

Tells us how much heat is in somethingTells us how much heat is in something Measured with a thermometerMeasured with a thermometer Thermometers show degrees Celsius or Thermometers show degrees Celsius or

degrees Fahrenheit. (Lab thermometers show degrees Fahrenheit. (Lab thermometers show °C)°C)

Using a thermometerUsing a thermometer

Let Steve and Myleishka Let Steve and Myleishka show you how!show you how!

Bulb of thermometer Bulb of thermometer should be in center of the should be in center of the liquidliquid

Keep it in the liquidKeep it in the liquid Don’t shake down the Don’t shake down the

thermometer or use it as a thermometer or use it as a stirring rodstirring rod

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Important TemperaturesImportant Temperatures

Boiling Point of WaterBoiling Point of Water Normal body Normal body

temperaturetemperature Freezing Point of WaterFreezing Point of Water Room TemperatureRoom TemperatureQuickTime™ and a

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Measuring volume of a liquidMeasuring volume of a liquid

Fallon Johnson uses a Fallon Johnson uses a graduated cylinder to graduated cylinder to measure the volume of a measure the volume of a liquid.liquid.

Put the graduate on a Put the graduate on a level surfacelevel surface

Read the volume from Read the volume from eye leveleye level

Use the bottom of the Use the bottom of the meniscus.meniscus.

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