اختبار اختيار من متعدد تفاعلي: مراجعة نهائية وفق الهيكل

A

E = A

B

E = A²

C

$\frac{1}{E} = A$

D

$\frac{1}{E} = A^2$

A

The speed of the wave increased.

B

The source of vibrations increased the speed of vibrations.

C

The wavelength of the wave increased.

D

The energy provided by the source of vibrations increased.

A

W = 1, X = 18, Y = 32

B

W = 1, X = 3, Y = 4

C

W = 2, X = 6, Y = 16

D

W = 1, X = 6, Y = 8

A

2

B

3

C

4

D

6

A

The energy of Wave Y is one-fourth of the energy of Wave X.

B

The energy of Wave Y is 4 times greater than the energy of Wave X.

C

The energy of Wave Y is one-sixteenth of the energy of Wave X.

D

The energy of Wave Y is 16 times greater than the energy of Wave X.

A

The energy increased 2 times.

B

The energy increased 3 times.

C

The energy increased 4 times.

D

The energy increased 8 times.

A

1.00 Hz

B

0.50 Hz

C

0.25 Hz

D

4.00 Hz

A

1.00 Hz

B

0.50 Hz

C

0.25 Hz

D

4.00 Hz

A

0.50 Hz

B

0.25 Hz

C

0.125 Hz

D

8.00 Hz

A

0.333 Hz

B

0.167 Hz

C

0.083 Hz

D

12.00 Hz

A

4 m

B

5 m

C

8 m

D

20 m

A

4 m

B

5 m

C

8 m

D

20 m

A

Wave A

B

Wave B

C

Both waves

D

Neither wave

A

Wave A has a greater amplitude and longer wavelength than Wave B.

B

Wave B has a greater amplitude and shorter wavelength than Wave A.

C

Wave A and Wave B have the same amplitude and wavelength.

D

Wave B has a smaller amplitude and longer wavelength than Wave A.

A

1 cm

B

2 cm

C

4 cm

D

8 cm

A

The amplitude of the sound waves decreases.

B

The frequency of the sound waves increases.

C

The intensity of the sound waves increases.

D

The wavelengths of the sound waves increase.

A

A higher-frequency sound wave results in a lower-pitched sound.

B

A lower-frequency sound wave results in a higher-pitched sound.

C

A higher-frequency sound wave results in a higher-pitched sound.

D

Frequency and pitch are not related.

A

Dogs only

B

Blue whales and bats only

C

Dolphins, bats, dogs, and gerbils.

D

Dolphins and bats only

A

100 Hz

B

500 Hz

C

1000 Hz

D

5000 Hz

A

Solid

B

Liquid

C

Gas

D

Sound travels at the same speed in all three

A

Air

B

Water

C

Iron

D

All have the same speed

A

Air

B

Glass

C

Iron

D

Water

A

less

B

greater

C

the same at low temperature

D

the same at high temperatures

A

Sound intensity is greater in water than in air.

B

Sound waves can move more quickly through liquids than through solids.

C

The frequency of sound increases with wave speed.

D

The speed of sound varies with the material in which the waves travel.

A

air

B

glass

C

rubber

D

water

A

It has the highest energy in the electromagnetic spectrum

B

It is the only electromagnetic wave humans can see

C

It has the longest wavelength in the spectrum

D

It travels slower than sound waves

A

There is no relationship between wavelength, frequency, and energy.

B

As wavelength increases, both energy and frequency decrease.

C

As wavelength increases, both energy and frequency increase.

D

As wavelength increases, energy increases, but frequency decreases.

A

They have the shortest wavelengths

B

They have the longest wavelengths

C

They have the highest energy

D

They travel slower than light

A

Radio waves

B

Microwaves

C

X-rays

D

Gamma rays

A

As frequency increases, wavelength increases.

B

As frequency decreases, wavelength decreases.

C

As frequency increases, wavelength decreases.

D

There is no relationship between wavelength and frequency.

A

A = Reflected ray and C = Incident ray

B

B = Incident ray and C = Reflected ray

C

A = Incident ray and B = Reflected ray

D

A = Incident ray and C = Reflected ray

A

E and D

B

F and E

C

D and E

D

B and D

A

B = Normal line and F = Plane mirror

B

B = Incident ray and F = Reflected ray

C

B = Angle of incidence and F = Angle of reflection

D

B = Plane mirror and F = Normal line

A

The two angles are equal.

B

Line I is the normal.

C

Line II is the incident ray.

D

The mirror being modeled is a plane mirror.

A

remain the same

B

decrease by the same amount

C

increase by the same amount

D

decrease to zero

A

35°

B

45°

C

55°

D

70°

A

The angle of incidence is greater than the angle of reflection.

B

The angle of reflection is greater than the angle of incidence.

C

The angle of incidence is equal to the angle of reflection.

D

The angle of incidence is always 90°.

A

Convex mirror

B

Glass window

C

Polished silver spoon

D

Pond with ripples

A

Diffuse reflection

B

Real image

C

Virtual image

D

Regular reflection

A

Reflection of light

B

Refraction of light

C

Scattering of light

D

Absorption of light

A

Diffuse reflection

B

Scattering

C

Regular reflection

D

Refraction

A

The ray bends toward the normal.

B

The ray travels along the normal.

C

The ray bends away from the normal.

D

The ray travels along the boundary surface.

A

A

B

B

C

C

D

D

A

A

B

B

C

C

D

D

A

The ray bends toward the normal.

B

The ray travels along the normal.

C

The ray bends away from the normal.

D

The ray travels along the boundary surface.

A

diffraction

B

reflection

C

refraction

D

absorption

A

Real, inverted, and smaller than the object

B

Real, upright, and larger than the object

C

Virtual, upright, and larger than the object

D

Virtual, inverted, and smaller than the object

A

Virtual, upright, and larger than the object

B

Real, inverted, and smaller than the object

C

Real, upright, and smaller than the object

D

Virtual, inverted, and smaller than the object

A

A concave lens will focus the Sun's light into a point that will cause a piece of paper to catch on fire.

B

Because the Sun's light comes from all directions, a concave lens will straighten the light onto the paper, causing the paper to catch on fire.

C

Because a concave lens diverges the light, the Sun's light will not focus on the paper and no fire will occur.

D

A concave lens will focus the Sun's light before the light can reach the paper, and no fire will occur.

A

Figure 1 is a convex lens, figure 2 is a concave lens, and figure 3 is a flat mirror.

B

Figure 1 is a concave lens, figure 2 is a convex lens, and figure 3 is a flat mirror.

C

Figures 1, 2, and 3 are different types of lenses.

D

Figures 1, 2, and 3 are different types of mirrors.

A

1

B

2

C

3

D

4

A

Retina

B

Cornea

C

Lens

D

Iris

A

Retina

B

Cornea

C

Lens

D

Iris

A

Retina

B

Cornea

C

Lens

D

Iris

A

Retina

B

Cornea

C

Lens

D

Iris

A

Reflection and refraction

B

Refraction and absorption

C

Refraction only

D

Diffusion

A

Absorption

B

Reflection

C

Refraction

D

Transmission

A

The primary colors of light—red, blue, and green

B

The secondary colors of light—cyan, magenta, and yellow

C

No colors. The ray is black.

D

All of the colors. The ray represents white light.

A

It was absorbed by the drop.

B

It was reflected from the drop.

C

It was refracted by the drop.

D

It was transmitted by the drop.

A

red

B

all colors but red

C

green

D

white

A

A blue ball reflects red light and absorbs blue light.

B

A blue ball reflects all colors of light.

C

A blue ball absorbs all colors of light.

D

A blue ball reflects blue light and absorbs most other colors.

A

blue

B

red

C

yellow

D

black

A

the beginning of the Industrial Revolution

B

scientific advances

C

the settling of the new American towns

D

medical advances

A

The beginning of the Industrial Revolution

B

Scientific advances

C

Medical advances

D

All of the above

A

estimated world population in 2025

B

number of people who live in poverty

C

world population in 1810

D

increased rate at which the population is growing

A

all the members of a species living in a given area

B

different species living together

C

all living things on Earth

D

the place where organisms live

A

Negative growth because there are more elderly individuals than young individuals.

B

Slow growth because most age groups contain similar numbers of individuals.

C

Rapid growth because there are many pre-reproductive individuals and a wide base.

D

Negative growth because the birth rate is lower than the death rate.

A

Rapid growth.

B

Slow growth.

C

Negative growth

D

None of the above

A

Rapid growth because there are many pre-reproductive individuals.

B

Slow growth because most age groups contain similar numbers of individuals.

C

Rapid growth because the birth rate is increasing quickly.

D

Negative growth because there are fewer young individuals than adults.

A

3.1%

B

0.8%

C

1.7%

D

4.5%

A

0.6%

B

0.8%

C

1.5%

D

2.1%

A

when birth rates are lower than death rates

B

when death rates are higher than birth rates

C

when birth rates are higher than death rates

D

when birth rates and death rates are equal

A

More-developed countries generally have higher birth rates than less-developed countries.

B

Birth rates are about the same in both more-developed and less-developed countries.

C

Less-developed countries generally have higher birth rates than more-developed countries.

D

Birth rates are irrelevant to the level of development of a country.

A

The increase in electricity use indicates that the population of India has increased over time.

B

The number of people who use electricity has decreased over time; population decreased.

C

The overall usage of electricity has stayed the same because of the limited resources.

D

The overall usage of electricity has decreased.

A

ecosystem

B

organisms

C

carrying capacity

D

habitat

A

381 percent

B

792 percent

C

38 percent

D

79 percent

A

5.2%

B

10.3%

C

12.5%

D

15.8%

A

Most land is used by cities.

B

Cities use half as much land as agriculture.

C

Cities use one-third as much land as forests.

D

Cities use very little land compared to any other category.

A

Agriculture

B

Grassland and pasture

C

Forest

D

Urban

A

Agriculture and Urban

B

Forest and Urban

C

Grassland and Pasture and Urban

D

Agriculture and Miscellaneous

A

Agriculture and Urban

B

Forest and Urban

C

Grassland and Pasture, forest, and Miscellaneous

D

Agriculture and Miscellaneous

A

Carbon dioxide

B

Oxygen

C

Argon

D

Nitrogen

A

Loss of animal habitats

B

Soil erosion

C

Increased Earth's average surface temperature

D

All of the above

A

Thunderstorms

B

Climate change

C

Clouds

D

Precipitation

A

using a cloth shopping bag instead of a paper bag

B

riding your bike on short trips around town

C

planting trees in your front yard

D

all of the above

A

plant trees

B

recycle aluminum cans

C

turn off electronics that are not in use

D

all of the above

A

1 and 4

B

2 and 3

C

1 and 3

D

2 and 4

A

1 and 2

B

2 and 3

C

1 and 3

D

2 and 4

A

Reducing our ecological footprint

B

Increasing our ecological footprint

C

Increasing pollutants in the atmosphere

D

Reducing oxygen and forests on Earth

A

Increased oxygen levels in the atmosphere

B

Decreased greenhouse gas emissions

C

Increased carbon dioxide levels in the atmosphere

D

Stabilized global temperatures

A

turned away from the Sun

B

tilted toward the Sun

C

tilted away from the Sun

D

turned toward the Sun

A

A

B

B

C

C

D

D

A

winter and summer solstices

B

spring and fall equinoxes

C

lunar eclipses

D

solar eclipses

A

There are about 12 hours of daylight and 12 hours of darkness everywhere on Earth.

B

Spring is starting for the southern hemisphere.

C

Spring is starting for the northern hemisphere.

D

They are the longest days of the year.

A

Earth's rotation axis is most toward the Sun.

B

Earth's rotation axis is most away from the Sun.

C

Earth's rotation axis is neither leaning toward nor away from the Sun.

D

Both A and B are correct.

A

the tilt of Earth’s axis as Earth orbits the Sun

B

Earth's distance from the Sun

C

the shape of Earth's orbit

D

the tides of the ocean

A

No sunlight is reflected off Earth at this point.

B

Sunlight directed toward Earth is blocked by the Moon.

C

The Moon does not orbit in the same plane as Earth.

D

The Moon is not directing any light toward Earth at this point.

A

1, 5

B

2, 3, 4

C

6, 7, 8

D

3, 7

A

1, 5

B

2, 3, 4

C

6, 7, 8

D

3, 7

A

1

B

3

C

5

D

7

A

New moon

B

First quarter

C

Full moon

D

Third quarter

A

A

B

B

C

C

D

D

A

Lunar eclipse

B

Lunar and solar eclipse

C

Partial lunar eclipse

D

Solar eclipse

A

Lunar eclipse

B

Lunar and solar eclipse

C

Partial lunar eclipse

D

Solar eclipse

A

first quarter moon

B

full moon

C

new moon

D

third quarter moon

A

The Moon is between the Sun and Earth

B

Earth is between the Sun and the Moon

C

the Sun is between Earth and the Moon

D

the Moon blocks sunlight from reaching Earth