JeopardyPhysical or Chemical?

Density MineralsMetals, Non MetalsAnd Metalloids

Potpourri

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Final Jeopardy

$100 Question from H1

Two liquids are combined and a solid forms.The formation of the new substance shows evidence what kind of change?

$100 Answer from H1

Chemical change

$200 Question from H1When you mix baking soda and vinegar bubbles When you mix baking soda and vinegar bubbles

form. Bubbles forming shows that a chemical form. Bubbles forming shows that a chemical reaction has occurred producing a reaction has occurred producing a _______________._______________.

$200 Answer from H1

GAS GAS

$300 Question from H1

During our lab we mixed glue, water and borax solution causing solid During our lab we mixed glue, water and borax solution causing solid substance (Gooey Gack) to form in the cup. What caused the solid substance substance (Gooey Gack) to form in the cup. What caused the solid substance to appear?to appear?

A. The liquids change states to a solid state.A. The liquids change states to a solid state.B. The glue evaporated, leaving behind solids B. The glue evaporated, leaving behind solids C. The three liquids chemically reacted forming a new solid precipitate.C. The three liquids chemically reacted forming a new solid precipitate.D. The liquids did not mix because they had different properties.D. The liquids did not mix because they had different properties.

$300 Answer from H1

C. The three liquids chemically reacted forming a new solid precipitate.C. The three liquids chemically reacted forming a new solid precipitate.

$400 Question from H1When you burn a candle, which of the following provides the best evidence When you burn a candle, which of the following provides the best evidence

that a chemical change has taken place?that a chemical change has taken place?

a. The candle gets hottera. The candle gets hotter b. The candle wick turns black.b. The candle wick turns black. c. The candle meltsc. The candle melts d. The candle gets smallerd. The candle gets smaller

$400 Answer from H1

b. The candle wick turns black.b. The candle wick turns black.

$500 Question from H1

Ice melting is an example of what kind of change?

$500 Answer from H1

Physical changePhysical change

$100 Question from H2

What is the formula for density?

$100 Answer from H2

Don’t break my Heart

Density=Mass/Volume

D= M/V

$200 Question from H2

What are 2 things you must know to determine the density What are 2 things you must know to determine the density of an object?of an object?

a.a. Volume and shapeVolume and shapeb.b. Length and heightLength and heightc.c. Mass and volumeMass and volumed. d. Weight Weight

$200 Answer from H2

C. C. Mass and volumeMass and volume

$300 Question from H2

What is the density of an object that hasa mass of 10 g and a volume of 5 cubic centimeters? Would this object sink or floatin water?

$300 Answer from H2

2 grams per cubic centimeter

This object would sink because it is moredense than water.

$400 Question from H2

Which liquid is more dense?

AA

AA

C.

$400 Answer from H2

C. Is more dense

$500 Question from H2What do you know about the density of the DietCoke can floating compared to the regular Coke

can at the bottom of the aquarium?

$500 Answer from H2

The Diet coke can floating is less dense than the regular Coke can at the bottom of the aquarium.

$100 Question from H3

A mineral that breaks along flat, even surfaces.A mineral that breaks along flat, even surfaces.

$100 Answer from H3

CleavageCleavage

$200 Question from H3

List 3 properties used to identify minerals.List 3 properties used to identify minerals.

$200 Answer from H3

ColorColorLusterLusterStreakStreakHardnessHardnessFractureFractureCleavageCleavage

$300 Question from H3

How do you test streak in minerals?How do you test streak in minerals?

$300 Answer from H3

Scratch it across an unglazed tileScratch it across an unglazed tile

$400 Question from H3The name of the scale used to tell the hardness The name of the scale used to tell the hardness of minerals is called _________________.of minerals is called _________________.

a.a. Newton’sNewton’sb.b. Archimedes’Archimedes’c.c. Density Density d.d. Mohs Mohs

$400 Answer from H3

MohsMohs

$500 Question from H3

$500 Answer from H3

J. Calcite scratches gypsumJ. Calcite scratches gypsum

$100 Question from H4

Ductility and malleability are what kinds of properties of metals?

Physical or chemical

$100 Answer from H4

Physical Properties of Metals

$200 Question from H4

Metals get hot when left outside on a hot summer day. What property of metals causesthis?

$200 Answer from H4

Conductivity. Metals are good conductors of heat and electricity

$300 Question from H4

List 2 properties of nonmetalsList 2 properties of nonmetals

$300 Answer from H4

Dull in appearanceDull in appearancePoor conductors of heat and electricityPoor conductors of heat and electricityBrittle (breaks easily)Brittle (breaks easily)Not ductile or malleableNot ductile or malleableLow densityLow density

$400 Question from H4

Where are metalloids located on the periodic table?

a. Along the zig zag lineb. Right side of the periodic tablec. Left side of the periodic tabled. Bottom of the periodic table

$400 Answer from H4

Along the zig zag line

$500 Question from H4

Which is a property of metals?Which is a property of metals?

A. They conduct electricityA. They conduct electricityB. They conduct heat.B. They conduct heat.C. They are ductile and malleable.C. They are ductile and malleable.D. All of the aboveD. All of the above

$500 Answer from H4

D. All of the aboveD. All of the above

$100 Question from H5

How many elements are in the following compound?

NaCl

$100 Answer from H5

2 Na and Cl

$200 Question from H5

What are the most abundant elements in the Earth’s crust?

$200 Answer from H5

Oxygen 47% and Silicon 28% Total 75%

$300 Question from H5

$300 Answer from H5

H. The amount of oxygen presentH. The amount of oxygen present

$400 Question from H5

$400 Answer from H5

H. On top of the mercury

$500 Question from H5

Which of the following objects will float on water?

$500 Answer from H5

D.D. Object D fill floatObject D fill float

Mass= 60Mass= 60Volume=65Volume=65

60/65= .92 grams per cubic centimeter60/65= .92 grams per cubic centimeter

Final Jeopardy

A 13.5 g sample of rock has a volume of 5 cm3. The sample came from –

A. Rock WB. Rock XC. Rock YD. Rock Z

Final Jeopardy Answer

c. Rock sample Y

2.7 grams per cubic centimeter.