High School Level Science

You drive your car along the highway at a constant 60 km/h and apply the brakes until the car slows ...

You drive your car along the highway at a constant 60 km/h and apply the brakes until the car slows ...

You drive your car along the highway at a constant 60 km/h and apply the brakes until the car slows to 40 km/h. If at that moment you suddenly release the brakes, the car tends to
A) momentarily regain its higher initial speed.
B) continue moving a

emma.locke16   27   3 Replies

Fifagirl101

An object in motion is an object that has

An object in motion is an object that has

An object in motion is an object that has
A) acceleration.
B) impulse.
C) momentum.
D) all of the above
E) none of the above

Biggie_smalls   27   3 Replies

han12

Jogging Jake runs along the top of a moving flatcar in the direction of motion of the flatcar. If he ...

Jogging Jake runs along the top of a moving flatcar in the direction of motion of the flatcar. If he ...

Jogging Jake runs along the top of a moving flatcar in the direction of motion of the flatcar. If he runs in the opposite direction, the combined momentum of Jake and the flatcar relative to an observer at rest will be
A) more.
B) the same.
C) les

brendatanmy   27   2 Replies

brendatanmy

A common pulley acts similar to a

A common pulley acts similar to a

A common pulley acts similar to a
A) hydraulic press.
B) gear.
C) common lever.
D) tension producer.

lodidodiclaudie   27   2 Replies

lodidodiclaudie

Hydrogen, like electricity, is

Hydrogen, like electricity, is

Hydrogen, like electricity, is
A) an energy source.
B) not an energy source.
C) a source of both thermal and electric power.

christyjames   27   2 Replies

christyjames

The Moon does not crash into Earth because

The Moon does not crash into Earth because

The Moon does not crash into Earth because
A) Earth's gravitational field is weak at the Moon's distance.
B) the gravitational pull of other planets keeps the Moon up.
C) the Moon has a sufficient tangential speed.
D) the Moon has less mass than

yomama1997   27   2 Replies

yomama1997

A completely submerged object always displaces its own

A completely submerged object always displaces its own

A completely submerged object always displaces its own
A) volume of fluid.
B) weight of fluid.
C) density of fluid.
D) all of the above
E) none of the above

billyd1996   27   3 Replies

Vslice52

Evacuated Magdeburg hemispheres are each

Evacuated Magdeburg hemispheres are each

Evacuated Magdeburg hemispheres are each
A) sucked together.
B) pushed together by the atmosphere.
C) held together by tension.

bgottlieb410   27   1 Reply

Pmay23

Distinguish between pressure and force in the case of weighing yourself on a common bathroom scale.

Distinguish between pressure and force in the case of weighing yourself on a common bathroom scale.

Distinguish between pressure and force in the case of weighing yourself on a common bathroom scale.

Mr.Cleand   27   2 Replies

Mr.Cleand

If water at 0C slightly increases in temperature, the water

If water at 0C slightly increases in temperature, the water

If water at 0C slightly increases in temperature, the water
A) contracts.
B) expands.
C) neither of these

Mellokkhaos   27   2 Replies

Mellokkhaos

The nucleus of an atom is charged

The nucleus of an atom is charged

The nucleus of an atom is charged
A) positively.
B) negatively.
C) both of these
D) none of the above

yupyup0214   27   2 Replies

yupyup0214

Lillian safely touches a 100,000-volt Van de Graaff generator. Although the voltage is high, the ...

Lillian safely touches a 100,000-volt Van de Graaff generator. Although the voltage is high, the ...

Lillian safely touches a 100,000-volt Van de Graaff generator. Although the voltage is high, the relatively small amount of charge means a relatively small amount of
A) energy transfer.
B) electric field.
C) polarization.
D) conduction.

Terabear   27   2 Replies

Terabear

An electrical device that is "grounded" has

An electrical device that is "grounded" has

An electrical device that is "grounded" has
A) no potential difference between it and the ground.
B) an infinite potential difference between it and the ground.
C) a firm connection to the ground.
D) low voltage.

Bunique556   27   2 Replies

Bunique556

To keep chickens warm in a shed on a cold night, it is best to use

To keep chickens warm in a shed on a cold night, it is best to use

To keep chickens warm in a shed on a cold night, it is best to use
A) an incandescent lamp.
B) a fluorescent lamp.
C) an LED lamp.
D) a CFL lamp.

gabbywabbi   27   2 Replies

gabbywabbi

A galvanometer calibrated to read current is

A galvanometer calibrated to read current is

A galvanometer calibrated to read current is
A) an ammeter.
B) a voltmeter.
C) an ohm meter.
D) none of the above

aswizzlebizzle   27   1 Reply

pooja14

A node is a position of

A node is a position of

A node is a position of
A) minimum amplitude.
B) maximum amplitude.
C) minimum frequency.

wiliam789   27   2 Replies

wiliam789

Musical tones are characterized by

Musical tones are characterized by

Musical tones are characterized by
A) quality.
B) partial tones
C) harmonics.
D) all of the above
E) none of the above

bosoxsilva   27   1 Reply

lmuniz

Most of the waves in the electromagnetic spectrum are

Most of the waves in the electromagnetic spectrum are

Most of the waves in the electromagnetic spectrum are
A) red light.
B) blue light.
C) green light.
D) invisible.

ldill01   27   2 Replies

ldill01

The greenish blue of water is evidence for the

The greenish blue of water is evidence for the

The greenish blue of water is evidence for the
A) reflection of greenish-blue light.
B) reflection of red light.
C) absorption of greenish-blue light.
D) absorption of red light.
E) interaction between green and blue frequencies of light.

werstlingbum   27   3 Replies

shriner

Polarization is a property of

Polarization is a property of

Polarization is a property of
A) transverse waves.
B) longitudinal waves.
C) both of these
D) none of the above

nuppy   27   3 Replies

dariana_jimenez

The direction of vibration for an electron and the plane of polarization of the light it emits

The direction of vibration for an electron and the plane of polarization of the light it emits

The direction of vibration for an electron and the plane of polarization of the light it emits
A) are the same.
B) are at right angles to each other.
C) may or may not be at right angles to each other.
D) are independent of each other.

zurainzlpt   27   2 Replies

zurainzlpt

The glare seen from water in a lake is largely

The glare seen from water in a lake is largely

The glare seen from water in a lake is largely
A) horizontally polarized.
B) vertically polarized.
C) nonpolarized.

Prenella10   27   2 Replies

Prenella10

Which has the longest residence time?

Which has the longest residence time?

Which has the longest residence time?
A) groundwater
B) rivers, lakes, and streams
C) polar ice caps and glaciers
D) rainwater

SAMt24   27   2 Replies

SAMt24

Tidal forces in general are the result of

Tidal forces in general are the result of

Tidal forces in general are the result of
A) two or more sources of gravitation.
B) a combination of any kind of forces acting on a body.
C) unequal forces acting on different parts of a body.
D) the inverse-square law.
E) unequal fluid flow.

ejones3535   27   2 Replies

ejones3535

Between mass and weight, the more fundamental quantity is

Between mass and weight, the more fundamental quantity is

Between mass and weight, the more fundamental quantity is
A) mass.
B) weight.
C) both the same.
D) none of the above

Alehandrax   28   2 Replies

Alehandrax

A mosquito flying at 3 m/s encounters a 3-m/s breeze blowing in the same direction, which gives it a ...

A mosquito flying at 3 m/s encounters a 3-m/s breeze blowing in the same direction, which gives it a ...

A mosquito flying at 3 m/s encounters a 3-m/s breeze blowing in the same direction, which gives it a resulting speed over the ground of
A) 0 m/s.
B) 3 m/s.
C) 4 m/s.
D) 6 m/s.

SSASSY   28   2 Replies

SSASSY

You're lying on the sand on a breezy day when a pesky fly wishes to join you. The breeze is blowing ...

You're lying on the sand on a breezy day when a pesky fly wishes to join you. The breeze is blowing ...

You're lying on the sand on a breezy day when a pesky fly wishes to join you. The breeze is blowing at a steady 1 m/s. If the fly wishes to land on you it should hover over you while flying
A) about 2 m/s relative to the breeze.
B) with the breeze

tftc4e   28   2 Replies

tftc4e

A block is dragged at constant velocity across a level surface by a force of 6 N. What is the force ...

A block is dragged at constant velocity across a level surface by a force of 6 N. What is the force ...

A block is dragged at constant velocity across a level surface by a force of 6 N. What is the force of friction between the block and the surface?
A) less than 6 N
B) more than 6 N
C) 6 N
D) not enough information

drake34   28   2 Replies

drake34

An object may have potential energy because of its

An object may have potential energy because of its

An object may have potential energy because of its
A) speed.
B) acceleration.
C) momentum.
D) location.
E) none of the above

TArisorev   28   2 Replies

TArisorev

If a charging rhinoceros has momentum, it must also have

If a charging rhinoceros has momentum, it must also have

If a charging rhinoceros has momentum, it must also have
A) potential energy.
B) kinetic energy.
C) work.
D) all of the above

SAMt24   28   2 Replies

SAMt24

Leaving a hot oven door open in a closed room on a cool day

Leaving a hot oven door open in a closed room on a cool day

Leaving a hot oven door open in a closed room on a cool day
A) decreases room temperature.
B) increases room temperature.
C) doesn't affect room temperature.

applesauce234   28   2 Replies

applesauce234

The open spaces in the crystal lattice of ice contain

The open spaces in the crystal lattice of ice contain

The open spaces in the crystal lattice of ice contain
A) vapor.
B) trace amounts of water.
C) nothing.

HaydenH01   28   2 Replies

HaydenH01

Which is not a phase of matter?

Which is not a phase of matter?

Which is not a phase of matter?
A) solids
B) liquids
C) gases
D) vacuum

Josh   28   1 Reply

stillfa

Which moves faster in a gas at the same temperature?

Which moves faster in a gas at the same temperature?

Which moves faster in a gas at the same temperature?
A) light molecules
B) heavy molecules
C) Both have equal average speeds.

rogers   28   2 Replies

rogers

The temperature at which water freezes is the same as the temperature at which

The temperature at which water freezes is the same as the temperature at which

The temperature at which water freezes is the same as the temperature at which
A) ice melts.
B) water boils.
C) both of these
D) neither of these

riddhi   28   2 Replies

riddhi

Which of these does not have an electrical charge?

Which of these does not have an electrical charge?

Which of these does not have an electrical charge?
A) proton
B) electron
C) neutron
D) all of the above
E) none of the above

samilee   28   3 Replies

Kedavra

It takes 10 J of work to push a charge into an electric field. Relative to its starting position it ...

It takes 10 J of work to push a charge into an electric field. Relative to its starting position it ...

It takes 10 J of work to push a charge into an electric field. Relative to its starting position it has gained a potential energy of
A) less than 10 J.
B) 10 J.
C) more than 10 J.
D) none of the above

Nurse2294   28   2 Replies

Nurse2294

If an electric charge is rapidly shaken up and down,

If an electric charge is rapidly shaken up and down,

If an electric charge is rapidly shaken up and down,
A) sound is emitted.
B) light is emitted.
C) electron excitation occurs.
D) an electromagnetic wave is produced.

Cdeakle   28   3 Replies

meganlauren23

The shell model is an example of a

The shell model is an example of a

The shell model is an example of a
A) physical model.
B) conceptual model.
C) both a physical and conceptual model.
D) None of the above.

softballjunkie1   28   2 Replies

softballjunkie1

What three factors affect porosity?

What three factors affect porosity?

What three factors affect porosity?

edilsondiaz318   28   2 Replies

edilsondiaz318