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Science UIL Flashcards

1
Q

Which of these does not increase the speed at which a solid solute dissolves in water?

a. crushing the solute
b. adding more solute
c. stirring the mixture
d. heating the mixture

A

b. adding more solute

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2
Q

The most explosive eruption type where ash plumes may reach 50,000 feet are

a. in Hawaii only
b. plinian
c. low viscosity
d. non existent

A

b. plinian

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3
Q

The only ocean on Earth 250 million years ago was

a. Laurasia
b. Pangea
c. Panthalassa
d. Olympus Mons

A

c. Panthalassa

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4
Q

The study of crustal plates and their movement is known as

a. paleontology
b. respiratory
c. geology
d. plate tectonics

A

d. plate tectonics

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5
Q

The _____ system transports wastes and digested food through the body.

a. digestive
b. respiratory
c. excretory
d. endocrine

A

a. digestive

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6
Q

A substance that cannot be broken down in to any other substances by chemical means is called a(n)

a. molecule
b. element
c. compound
d. mixture

A

b. element

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7
Q

A(n) _______ wave is an example of a mechanical wave.

a. ocean
b. X-ray
c. light
d. radio

A

a. ocean

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8
Q

An organism with no nucleus is called a(n) _____

a. endospore
b. bacillus
c. prokaryote
d. virus

A

c. prokaryote

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9
Q

Lizards are __________

a. decomposers
b. producers
c. endotherms
d. ectotherms

A

d. ectotherms

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10
Q

All the different populations that live together in an area make up a(n) ________

a. ecosystem
b. community
c. species
d. organism

A

b. community

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11
Q

On a topographical map, the _______ is the amount of elevation between two adjacent contour lines.

a. meridians
b. index contour
c. contour interval
d. longitude

A

c. contour interval

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12
Q

A(n) ________ is the largest division of geologic time.

a. epoch
b. era
c. period
d. generation

A

b. era

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13
Q

How many seismograph-station readings are need to pinpoint the epicenter of an earthquake?

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

A

c. 3

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14
Q

Darwin’s hypothesis stating that organisms best adapted to their environment to pass their traits on to the next generation is called ________

a. natural selection
b. the theory of adaptation
c. the theory of evolution
d. the principle of superposition

A

a. natural selection

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15
Q

An atom’s nucleus-sized electromagnetic waves emitted by exploding stars are

a. gamma rays
b. infrared rays
c. X-rays
d. spectrum

A

a. gamma rays

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16
Q

The solar system formed from a(n)

a. black hole
b. enormous explosion
c. expanding galaxy
d. nebula

A

d. nebula

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17
Q

____ wastes are materials that can be harmful to human health or the environment if they are not properly disposed of

a. Municipal
b. Hazardous
c. Biodegradable
d. Composting

A

b. Hazardous

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18
Q

_______ are swirling centers of low pressure air that rotate counterclockwise in the Northern Hemisphere.

a. Monsoons
b. Typhoons
c. Cyclones
d. Anticyclones

A

c. Cyclones

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19
Q

The air masses coming from the Pacific Ocean in to Seattle, Washington would most likely be____

a. continental tropical
b. continental polar
c. maritime tropical
d. maritime polar

A

d, marital polar

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20
Q

_____ cells hace a cell membrane

a. All
b. Only animal
c. Only plant
d. Only some

A

a. All

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21
Q

After an angiosperm zygote develops, the ovary changes to a

a. hormone
b. style
c. fruit
d. pistil

A

c. fruit

22
Q

The moon passes between the sun and the Earth during a _________

a. solar eclipse
b. lunar eclipse
c. blue moon
d. neap tide

A

a. solar eclipse

23
Q

______ are traits or features that are passed from parent o offspring.

a. Adaptations
b. Inherited traits
c. Incomplete dominance
d. Acquired characteristics

A

b. inherited traits

24
Q

Which of these could be true of a location with the latitude 30 degrees South?

a. It is on the equator
b. It is north of the equator
c. It is on the prime meridian.
d. It is ont he Arctic ocean.

A

c. It is on the prime meridian.

25
Q

Weather associated with an occluded from is____

a. a steady light rain
b. cloudy and warm
c. clear and cool
d. stormy and wind

A

a. a steady light rain

26
Q

The chemical bond crated by the transfer of electrons between atoms is a(n)_______ bond.

a. organic
b. polyatomic
c. ionic
d. covalent

A

c. ionic

27
Q

The smallest particle of an element or compound that retains the properties of the element or compound is a _____

a. molecule
b. octet
c. plastic
d. bond

A

a. molecule

28
Q

The _____ number describes the combining ability of an element.

a. covalent
b. oxidation
c. compound
d. polyatomic

A

c. compound

29
Q

A specific group of organic compounds derived from dead matter is _______

a. hydrocarbons
b. halogens
c. a noble gas
d. an electron

A

a. hydrocarbons

30
Q

The lowest layer of the Earth’s atmosphere is the _____

a. tropopause
b. stratosphere
c. adiabatic
d. troposphere

A

d. troposphere

31
Q

_____ is expressed as a percentage and is the amount of water vapor in the air compared with the amount of vapor needed to saturate the air at the air’s current temperature.

a. Relative humidity
b. Humidity
c. Convection
d. The dew point

A

a. Relative humidity

32
Q

The lowest level of cell activity is called _____ metabolism

a. primary
b. basic
c. total
d. short

A

b. basic

33
Q

The ____ pumps blood to the lungs

a. right ventricle
b. left ventricle
c. right atrium
d. left atrium

A

b. left atrium

34
Q

______ muscles are the muscles of the heart.

a. Pulmonary
b. Skeletal
c. Nonexistent
d. Cardiac

A

d. Cardiac

35
Q

______ discovered that all objects did not revolve around Earth.

a. Galileo Galilei
b. Ptolemy
c. Ivan Pavlov
d. Ernest Rutherford

A

a. Galileo Galilei

36
Q

The ______ gland produces the hormones insulin.

a. lymph
b. spleen
c. thyroid
d. pancreas

A

d. pancreas

37
Q

The band of tissue that connects muscle to bone is _____

a. ligaments
b. tendons
c. arteries
d. skeletal muscle

A

b. tendons

38
Q

The ____ is the later of skin that contains blood vessels, nerve cells, sweat glands, and hair follicles.

a. dermis
b. epidermis
c. alveoli
d. endodermis

A

a. dermis

39
Q

Exposure of the skin to sunlight is important in forming ______

a. vitamin C
b. vitamin B
c. vitamin D
d. calcium

A

c. vitamin D

40
Q

Bacteria, which turns dead plants, animals, and waste products into nutrient-rich soil is an example of ________.

a. a composer
b. a decomposer
c. mimicry
d. camouflage

A

b. a decomposer

41
Q

In the food chain, a tapeworm would be a(n) _____

a. decomposer
b. comsumer
c. producer
d. parasite

A

d. parasite

42
Q

Phosphates can be found in ______

a. limestone
b. the atmosphere
c. oceans
d. all of these

A

a. limestone

43
Q

______ is a push or pull on an object that causes a change in the object’s motion.

a. Inertia
b. Mass
c. Heat
d. Force

A

d. Force

44
Q

________ explains why it is easier to move a box with cotton than to move a box filled with sand.

a. Gravity
b. Inertia
c. Friction
d. Pressure

A

c. Friction

45
Q

The thrusters of a rocket push down on the ground, and the rocket is pushed off into space. this demonstrates the ________ Law of Motion.

a. First
b. Second
c. Third
d. Fourth

A

c. Third

46
Q

_____ developed a scale diving the difference between the freezing temperature and the boiling temperature of water into 100 equal units.

a. Francis Collins
b. Craig Venter.
c. George Washing Carver
d. Anders Celsius

A

d. Anders Celsius

47
Q

____ discovered that great amounts of energy could be obtained from very small amounts of mass and that gravity could bend light.

a. Albert Einstein
b. Charles Darwin
c. Marie Curie
d. Anders Celsius

A

a. Albert Eistein

48
Q

A cell that contains a single set of chromosomes is called a ____ cell.

a. allele
b. haploid
c. diploid
d. nonexistent

A

b. haploid

49
Q

The Sun’s continuous flow of tenuous gas and electrically charged particles is called the____.

a. aurora
b. magnetic field
c. coronal mass
d. solar wind

A

d. solar wind

50
Q

the source of energy that sets Earth’s atmosphere in motion and causes weather is____.

a. volcanoes
b. gravity
c. the ocean
d. the Sun

A

d. the Sun

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