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**Measurement Test Review**

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**VOLUME – CAN BE MEASURED IN TWO WAYS**

Using water displacement in a graduated cylinder Unit is mL. Using a metric ruler to measure length, width and height Volume – l x w x h Unit is cm3

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**Measuring with a graduated cylinder**

This is a _____ it measure _______ in units of _______. How much did it measure? ___

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**Measuring with a graduated cylinder**

This is a graduated cylinder it measure volume in units of mL. How much did it measure? 43.0mL

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**LENGTH – Is measured with a metric ruler**

Unit is cm. What is this measurement?

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**LENGTH – Is measured with a metric ruler**

Unit is cm. What is this measurement? 92.70cm.

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**Mass is measured with a triple beam balance in units of g.**

What’s this measure?

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**Mass is measured with a triple beam balance in units of g.**

What’s this measure? g

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**What is the curved surface at the top of a contained liquid called?**

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**What is the curved surface at the top of a contained liquid called**

What is the curved surface at the top of a contained liquid called? MENISCUS

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**What is the volume of this fish?**

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**What is the volume of this fish?**

final volume – initial volume = volume of the fish 29.0mL-26.0mL = 3.0mL

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**If this fish has a mass of 2g.**

What is the density of the fish?

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**If this fish has a mass of 2g. What is the density of the fish? d=m/v**

m=2g v=3.0mL d = 2g/3.0mL = 0.67g/mL

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**Jerome adds 25mL of water to an empty graduated cylinder.**

He then drops a nail with a mass of 20g into the water. The volume of the cylinder reads 35mL after the nail is added. What is the density of the nail?

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**density = 2g/mL Initial volume = 25mL Final volume = 35mL**

Volume of the nail = final volume – initial volume = 35mL-25mL = 10mL Mass of the nail = 20g d = mass/volume d = 20g/10mL density = 2g/mL Jerome adds 25mL of water to an empty graduated cylinder. He then drops a nail with a mass of 20g into the water. The volume of the cylinder reads 35mL after the nail is added. What is the density of the nail?

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**What is the chain made of?**

Mary decided to find the density of her metal chain to try and identify what the it is was made from. She found the volume of the chain to be 7 cm3 and the mass to be 62.3 g. What is the chain made of?

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Volume of the chain = 7cm3 Mass of the chain = 62.3g. d = mass/volume d = 62.3g/7cm3 d = 8.9g/mL The chain is copper.

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**I am a graduated cylinder, I measure ______ in units of _____.**

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**I am a graduated cylinder, I measure volume in units of mL.**

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**I am a triple beam balance, I measure ______ in units of _____.**

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**I am a triple beam balance, I measure mass in units of grams.**

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**I am a metric ruler, I measure ______ in units of _____.**

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**I am a metric ruler, I measure length in units of cm.**

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**It is important to use correct units of measure when recording and communicating data, because….**

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It is important to use correct units of measure when recording and communicating data, because people sharing information have to speak the same “unit language.” For instance, if your mom asks you to go to the store to get 5 lemons, but all she says is “get 5”, you wouldn’t have any idea what she is asking you to get. You might come home with 5 boxes of cereal or 5 bags of beans.

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