Daily Quiz. 1.An aluminum can is crushed flat. This is… A.a physical change B.a chemical change.

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Presentation transcript:

Daily Quiz

1.An aluminum can is crushed flat. This is… A.a physical change B.a chemical change

Daily Quiz 2.A bonfire burns until there is nothing but smoldering ashes. This is… A.a physical change B.a chemical change

Daily Quiz 3.An ice cube melts, leaving a puddle of water. This is… A.a physical change B.a chemical change.

Daily Quiz 4.1 g of hydrogen reacts with 8 grams of oxygen to form A.1 g of water B.8 g of water C.9 g of water D.16 g of water E.18 g of water.

Daily Quiz 1.An aluminum can is crushed flat. This is… A.a physical change B.a chemical change

Daily Quiz 1.An aluminum can is crushed flat. This is… A.a physical change B.a chemical change

Daily Quiz 2.A bonfire burns until there is nothing but smoldering ashes. This is… A.a physical change B.a chemical change

Daily Quiz 2.A bonfire burns until there is nothing but smoldering ashes. This is… A.a physical change B.a chemical change

Daily Quiz 3.An ice cube melts, leaving a puddle of water. This is… A.a physical change B.a chemical change.

Daily Quiz 3.An ice cube melts, leaving a puddle of water. This is… A.a physical change B.a chemical change.

Daily Quiz 4.1 g of hydrogen reacts with 8 grams of oxygen to form A.1 g of water B.8 g of water C.9 g of water D.16 g of water E.18 g of water

Daily Quiz 4.1 g of hydrogen reacts with 8 grams of oxygen to form A.1 g of water B.8 g of water C.9 g of water D.16 g of water E.18 g of water

Two More Vocab Words: Heterogeneous mixture: Does not blend smoothly

Two More Vocab Words: Heterogeneous mixture: Does not blend smoothly banana date muffin mix

Two More Vocab Words: Homogeneous mixture: Blends smoothly (solution)

Two More Vocab Words: Homogeneous mixture: Blends smoothly (solution) Chocolate cake mix

Separating Mixtures

filtration

Separating Mixtures filtration

Separating Mixtures distillation

Separating Mixtures distillation

Separating Mixtures crystallization

Separating Mixtures crystallization

Separating Mixtures chromatography

Separating Mixtures chromatography

How would you separate…

nickels from dimes?

How would you separate… marbles from ball bearings?

How would you separate… aluminum from steel?

How would you separate… bugs from flour?

How would you separate… sand from salt?

How would you separate… sugar from salt?

Our next lab:

How many different pigments make up the color of red cabbage?

Our next lab: How many different pigments make up the color of red cabbage? Is there any green chlorophyll in red cabbage?

Homework: Read section 3.3 Answer questions on page 69.