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Click a number below to answer a question. (Drag the # behind the trash can so you know which have been used!)

Water DisplacementMethod

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How do you measure the volume of an irregularly shaped object like a rock?

ANSWER

Tell which is ana. Elementb. Compound

1. NaHCO3

2. H2

3. Au4. CO2

1.b2.a3.a4.b

ANSWER

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ANSWER

What will be the state of a substance at 40oC if its boiling point is 50oC and its melting point is -10oC?

liquidANSWER

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a. graduated cylinderMeasures volume of a liquid.b. triple beam balanceMeasures mass.

Label the lab equipment and tell its purpose.

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ANSWER

10

30

20

a.b.

1. c 2. e 3. a4. d 5. b

Matching: Identify the form of energy involved.

ANSWER

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1. chemical a. music

2. electrical b. metal warms in the sun

3. sound c. food and fuel

4. mechanical d. a spinning fan

5. thermal e. toaster coils heat up

1. cm 2. km 3. m 4. mm

Match the object with the best unit of measurement.

13

ANSWER

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millimeters

meters

centimeters

kilometers

a.

b.

c.

d.

What unit is used to measure the volume of water in a swimming pool?

LitersANSWER

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Which of the follow are mixtures?1. Copper Sulfate Solution2. Baking Soda3. Carbon Dioxide4. Chicken Noodle Soup5. Hydrogen

1,4

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ANSWER

What properties can be used to identify a substance? (characteristic properties)a. volumeb. densityc. malleabilityd. colore. massf. temperatureg. boiling pointh. reactivity with oxygen

b,c,d,g,h

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ANSWER

green

Which liquid is the least dense? GameBoard

ANSWER

What are renewable resources?

Resources that can be replenished in a relatively short time.

ANSWER

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What will happen to the pressure on a gas as its temperature is increased?

The pressure will increase.ANSWER

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a. Vaporization - gainingb. Condensation - losingc. Melting - gainingd. Freezing - losing

Matching - name the change of state. Tell whether the water is gaining or losing energy.

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Condensation

Freezing

Melting

Vaporization

a

b

c

d

ANSWER

Which of these are properties of solid nonmetals?

1. conducts electricity2. brittle 3. shiny4. high melting point5. low boiling point6. malleable

2, 4

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ANSWER

1. electrical2. sound3. light (electromagnetic radiation)4. mechanical

ANSWER

GameBoard1. lightning in the sky

2. birds singing

3. x-rays

4. a roller coaster

What form of energy?

Which of the following can convert solar energy into electrical energy? (choose all that apply.)

a. a batteryb. a photovoltaic cellc. a windmilld. a dam e. a coal power plant

b, c, eANSWER

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Which of the following are considered to be renewable sources of energy?

a. Nuclear fuelb. Biomassc. Fossil Fuelsd. Wind energye. Geothermal energyf. Hydropower

b, d, e, fANSWER

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What will happen to the volume of a gas as its temperature is increased?

The volume will increase.ANSWER

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Where will the ice cube melt faster? Explain why.

a. sitting on a metal plate

b. sitting on a plastic plate

a. The metal plate is a conductor so will easily transfer energy to the ice.ANSWER

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Which of the following are a. homogeneous mixturesb. heterogeneous mixturesc. not a mixture

1. 8K Gold2. Carbon Dioxide3. Air4. Raisin Bran5. Salt Water

1. a 2. c 3. a4. b 5.a

ANSWER

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Matching

1. d 2. a 3. c 4. bANSWER

1. For every action there is an equal and opposite reaction.

a. A roller coaster sits at the top of a hill.

2. Potential Energy b. You push on a lever at the point furthest from the fulcrum.

3. Kinetic Energy c. Gas molecules bounce off each other inside a balloon.

4. Mechanical Advantage

d. A boy jumps off a raft and it moves backwards.

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Nick throws a football to Brian. What forces act on the ball after it is thrown?

Fluid Friction (air resistance) and GravityANSWER

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When food coloring is dropped into a beaker of hot water it is quickly mixed throughout the water. Why is this?

a. radiation makes the water moveb. conduction heats the food coloringc. convection currents mix the food coloring with the waterd. heat is transferred to the beaker

cANSWER

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What will happen to pressure of a gas as its volume is decreased?

The pressure will increase.

ANSWER

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What is the atomic weight of an element?

The average mass of the known isotopes.

ANSWER

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Put the steps to separate the mixture of copper sulfate, zinc oxide and iron filings in the best order.

c,a,b,dANSWER

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a. Pour water on the mixture and dissolve the copper sulfate.b. Pour the mixture through a filter to remove the zinc oxide.c. Use a magnet to remove the iron filings.d. Allow the water to evaporate to get the solid copper sulfate by itself.

An experiment is titled, "The effect of temperature on the solubility of a substance." What is the independent variable?

TemperatureANSWER

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What is inertia?

The tendency of an object to resist a change in motion.

ANSWER

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Matching: Heat Transfer

1. c 2. b 3. aANSWER

GameBoard1. radiation a. you touch a

hot iron

2. convection b. the heater warms the whole room

3. conduction c. the campfire warms your face

a,c

Which of the following will increase the rate of a chemical reaction?

a. increase the temperatureb. decrease the temperaturec. increase the concentration

ANSWER

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Name the products in the reaction below.

Al + CuSO4 Al2 (SO4)3 + Cu

Aluminum Sulfate and Copper

ANSWER

1. d 2. a 3. b4. e 5. c

Matching

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I a. Nucleus

II b. Proton

III c. Neutron

IV d. Electron Cloud

V e. Electron

ANSWER

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Which of the following isan element?

1. Steel2. Oxygen Gas (O2)3. Silver (Ag)4. Carbon Dioxide (CO2)

2,3ANSWER

Match the following:a. Two elements mix together but do not combine chemically.b. Two mixtures combine and form another mixture.c. Two diatomic elements combine and react chemically to form a new substance.d. An ionic compound dissolves in water.

1. d 2. a3. c 4. b

ANSWER

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4.

2

.1.

3.

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Which number tells you the identity of an element?a. atomic numberb. atomic weightc. mass number

aANSWER