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Jeopardy. Choose a category. You will be given the question. You must give the correct answer. If wrong, click the yellow icon. To return to the Jeopardy categories, click the “ home ” button. Click to begin. Choose a point value. Choose a point value.

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Jeopardy 3887625

Jeopardy

Choose a category.

You will be given the question.

You must give the correct answer.

If wrong, click the yellow icon.

To return to the Jeopardy categories,

click the “home” button.

Click to begin.


Jeopardy 3887625

Choose a point value.

Choose a point value.

Click here for Final Jeopardy


Jeopardy 3887625

Category A

Category B

Category C

Category D

Category E

10 Point

10 Point

10 Point

10 Point

10 Point

20 Points

20 Points

20 Points

20 Points

20 Points

30 Points

30 Points

30 Points

30 Points

30 Points

40 Points

40 Points

40 Points

40 Points

40 Points

50 Points

50 Points

50 Points

50 Points

50 Points


10 points

10 Points

Lead is a bluish-white metal that will burn in air to produce lead (II) oxide. It is highly malleable and was used by the Romans to make pipes to carry water ("plumbing" is taken from the Latin name for lead "plum bum"). It has a relatively low melting point of 327°C and an atomic weight of 207.2 amu. Which property of lead is a chemical property?

high malleability

burns in air

low melting point

atomic weight is 207.2 amu


Jeopardy 3887625

WRONG ANSWER


Jeopardy 3887625

burns in air


20 points

20 Points

In order to determine the velocity of an object, what measurements must be made?

time and distance

time, distance, and mass

time, distance, and direction

time, distance, and volume


Jeopardy 3887625

TRY AGAIN


Jeopardy 3887625

time, distance, and direction


30 points

30 Points

An analogy can be drawn between the work done by an electric current flowing through an electrical appliance and the work done by water flowing over a waterfall. In such an analogy, identify the property of the electric current that is analogous to the rate of flow of water over the fall.

power

voltage

amperage

resistance


Jeopardy 3887625

The answer you thought was right is WRONG


Jeopardy 3887625

amperage


40 points

40 Points

Identify the types of fields that interact to produce motion in an electric generator.

an electrical field and a gravitational field

a magnetic field and an electrical field

two electrical fields

two magnetic fields


Jeopardy 3887625

Try again later


Jeopardy 3887625

a magnetic field and an electrical field


50 points

50 Points

Identify the type's of current that can be used to power electric motors.

direct current only

absolute current only

direct current or alternating current only

alternating current, direct current or absolute current


Jeopardy 3887625

Wrong again


Jeopardy 3887625

direct current or alternating current only


10 points1

10 Points

Complete the following reaction. NaOH(aq)+HCl(aq)=_____+H2O(l)

2NaCl(1)

NaCl(s)

NaCl(aq)

2NaCl(aq)


Jeopardy 3887625

BOO !


Jeopardy 3887625

NaCl(aq)


20 points1

20 Points

Which of the following will have the lowest pH?

rainwater

distilled water

soapy water

bleach


Jeopardy 3887625

Sorry, Wrong Answer


Jeopardy 3887625

rainwater


30 points1

30 Points

Dr. M wants to perform research on the effects of exposure to gamma radiation. Dr. B has developed a new type of instrument that fires gamma radiation at tumors; he wants to research the effectiveness of his "gamma knife." What is the fundamental difference between the research performed by these two doctors?

Dr. M must know about nuclear decay, and Mr. B doesn't need to.

Dr. M's research is ethical and Dr. B's is not.

Dr. M is conducting a scientific investigation and Dr. B is not.

Dr. B is focusing on technological design and Dr. M is not.


Jeopardy 3887625

GO BACK, and try again


Jeopardy 3887625

Dr. B is focusing on technological design and Dr. M is not.


40 points1

40 Points

Alan constructs a circuit that has two 1.5 V batteries arranged in series. These batteries power a single light bulb. What will happen if Alan adds another load in series?

The resistance of the circuit has increased, so more current will flow.

The voltage of the circuit has increased, so more current will flow.

The resistance of the circuit has decreased, so less current will flow.

The resistance of the circuit has increased, so less current will flow.


Jeopardy 3887625

SORRY 


Jeopardy 3887625

The resistance of the circuit has increased, so less current will flow.


50 points1

50 Points

Which of the following substances is the most chemically stable?

Mg2+

Mg+

Cl-

MgCl2(s)


Jeopardy 3887625

Wrong Answer


Jeopardy 3887625

MgCl2(s)


10 points2

10 Points

What is the danger of an uncontrolled chain reaction within the core of a nuclear fission reactor?

An uncontrolled chain reaction will use up all of the fuel in the reactor and force the fission of the metals that make up the core casing.

An uncontrolled chain reaction will produce enough heat to crack the reactor core open, releasing radioactive material.

An uncontrolled chain reaction will produce enough electrons to electrically charge the reactor core.

An uncontrolled chain reaction will produce enough heat to induce fusion in the reactor core, which will result in an explosion.


Jeopardy 3887625

Sorry, you have the wrong answer


Jeopardy 3887625

An uncontrolled chain reaction will produce enough heat to crack the reactor core open, releasing radioactive material.


20 points2

20 Points

The loss or gain of which subatomic particle has the greatest effect on chemical reactivity?

electron

proton

Neutron

nucleon


Jeopardy 3887625

Try again later


Jeopardy 3887625

electron


30 points2

30 Points

What question did the students pose before designing this experiment?

How does temperature affect the rate of the breakdown of hydrogen peroxide into water and oxygen?

How much dye do I need to use to determine the presence of hydrogen peroxide while performing this experiment?

How many plants should I put in the laboratory to have an abundance of oxygen in the air?

How does time affect the increase in temperature when hydrogen breaks down into oxygen and water?


Jeopardy 3887625

SORRY, wrong answer


Jeopardy 3887625

How does temperature affect the rate of the breakdown of hydrogen peroxide into water and oxygen?


40 points2

40 Points

For new scientific knowledge to be gained, scientists must share their ideas. What is an appropriate way for scientists to communicate their findings?

Make flyers advertising their results.

Write a book immediately after the experiment is conducted, pronouncing the discovery as fast.

Hold a press conference to share the information gained.

Submit complete information regarding the experiment to a peer-reviewed scientific journal.


Jeopardy 3887625

Wrong, wrong and WRONG !


Jeopardy 3887625

Submit complete information regarding the experiment to a peer-reviewed scientific journal.


50 points2

50 Points

When energy is transformed from one form to another, some of the energy is lost in the form of

mechanical energy.

hydrogen gas.

water.

thermal energy.


Jeopardy 3887625

Nope, not the right answer


Jeopardy 3887625

thermal energy.


10 points3

10 Points

Joey hit a wall with a 1 meter long sledgehammer 20 times with a force of 200 Newton's. Much to Joey's dismay, the wall remained undamaged. If work = force X distance, how much work did Joey do on the wall?

0 joules

10 joules

200 joules

4000 joules


Jeopardy 3887625

You should try studying


Jeopardy 3887625

0 joules


20 points3

20 Points

A recently-used hot ceramic teapot is placed on a cold trivet. Which statement is correct about the sequence of thermal energy transfers?

The air transfers energy to the teapot and trivet, and they become cool.

The teapot transfers all of its energy to the air and becomes cool.

The teapot transfers some energy to the trivet and some energy to the air and becomes cool.

The trivet transfers energy to the teapot and the teapot becomes cool.


Jeopardy 3887625

WRONG AGAIN


Jeopardy 3887625

The teapot transfers some energy to the trivet and some energy to the air and becomes cool.


30 points3

30 Points

Smart glass technologies have become increasingly popular. British scientists recently developed a window glass that helps buildings stay cool. At regular temperatures, the glass allows in both infrared (IR) and ultraviolet (UV) light. But above 29°C, the coating on the glass undergoes a chemical change, causing it to block IR light. What happens to the IR light?

It is absorbed by the glass.

It is refracted by the glass.

It is relected by the coating on the glass.

It is refracted by the coating on the glass.


Jeopardy 3887625

Try again later


Jeopardy 3887625

It is relected by the coating on the glass.


40 points3

40 Points

Which of the following produces energy from processes that do not involve a chemical change?

a bonfire

a fossil fuel power plant

a nuclear power plant

a car


Jeopardy 3887625

BOOO 


Jeopardy 3887625

a nuclear power plant


50 points3

50 Points


Jeopardy 3887625

Wrong again


Jeopardy 3887625

All waves transfer energy.


10 points4

10 Points

What happens when two negatively-charged particles are brought together?

They undergo combustion.

They are repelled from each other.

They are attracted to each other.

They form an isotope.


Jeopardy 3887625

Your wrong again


Jeopardy 3887625

They are repelled from each other.


20 points4

20 Points

What is the resistance of a hair dryer that uses 4 A of current when the voltage is 120 V?

480 ohms

40 ohms

30 ohms

0.33 ohms


Jeopardy 3887625

Try again


Jeopardy 3887625

30 ohms


30 points4

30 Points

What was the main problem with J.J. Thomson's model of the atom?

It did not account for protons, and so the Thomson model was negatively charged.

It did not account for electrons, and so the Thomson model was positively charged.

It hypothesized many more electrons than protons.

It did not account for a centralized nucleus contains most of the atom's mass.


Jeopardy 3887625

Try again


Jeopardy 3887625

It did not account for a centralized nucleus contains most of the atom's mass.


40 points4

40 Points

The speed of an object increases 10 m/s over 10 seconds. What is its acceleration?

0 m/s^2

1 m/s^2

10 m/s^2

100 m/s^2


Jeopardy 3887625


Jeopardy 3887625

1 m/s^2


50 points4

50 Points

Which of the following is a source of potential energy that could release radiant energy?

a diamond

a sunflower seed

a neutron

a match


Jeopardy 3887625

Go back and study then try again later


Jeopardy 3887625

a match


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