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Calculate the density for the following objects: A ball with a volume of 10cm³ and a mass of 30g A backpack with a volume of 200cm³ and a mass of 400g A soda with a volume of 100mL and a mass of 100g A safe with a volume of 1m³ and a mass of 2kg. DO NOW.

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Do now

  • Calculate the density for the following objects:

  • A ball with a volume of 10cm³ and a mass of 30g

  • A backpack with a volume of 200cm³ and a mass of 400g

  • A soda with a volume of 100mL and a mass of 100g

  • A safe with a volume of 1m³ and a mass of 2kg

DO NOW


Liquid density

  • To figure the density of liquid, you use the same formula

  • Mass/volume = Density

  • You first measure the mass of an empty graduated cylinder

  • Then, you pour in the liquid and measure its volume

  • Next, you find the mass of the graduated cylinder with the liquid inside

  • Subtract the mass of the graduated cylinder from the mass of both to find the mass of the liquid

Liquid Density


Liquid density lab

  • Each table needs:

  • 1 Small Graduated Cylinder (smallie)

  • 1 Large Graduated Cylinder (tallie)

  • 1 Triple Beam Balance

  • Goggles for each student

  • Paper and pencil to record results

Liquid Density Lab


Liquid density lab1

  • Everyone must wear their goggles at ALL times!

  • Do not play with the liquids – no drinking spilling, tasting, etc.

  • Do not waste the liquids – only use the correct amount

  • Any student who is not following the rules will not participate and receive a 0 for the lab

Liquid Density Lab


Liquid density lab2

  • Step 1 – Measure the mass of your small graduated cylinder

  • Step 2 – Pour 20mL of syrup into your small graduated cylinder

  • Step 3 – Measure the mass of the syrup

  • Step 4 – Subtract the mass of the graduated cylinder alone from the mass of the syrup – this gives you the mass of the syrup alone

  • Step 5 – Slowly pour the syrup into the large graduated cylinder

  • Repeat steps 2-5 with the dish soap, shampoo, water, and oil (in this order!)

  • Step 6 – Find the density of each liquid

Liquid Density Lab


Liquid density lab3

Liquid Density Lab


Liquid density lab4

Liquid Density Lab


Liquid density1

Liquid Density


Chapter review

  • Page 55 liquids that have a higher density

  • On scratch paper, answer at least questions 1-16

Chapter Review


Uil listening

UIL Listening


For monday

For Monday


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