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Science Olympiad > Science Olympiad Vocabulary Words > Flashcards

Science Olympiad Vocabulary Words Flashcards

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Biology 101 flashcards
1
Q

The movement of materials from an area of higher concentration to an area of lower concentration

A

Diffusion

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2
Q

The parts of a plant that produce the female sex cells

A

Pistil

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3
Q

The study of how organisms pass along traits over periods of time

A

Genetics

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4
Q

The energy of motion

A

Kinetic Energy

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5
Q

A nonliving part of an ecosystem

A

Abiotic

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6
Q

The ability of a material to slow down or stop electric current

A

Resistance

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7
Q

A forest biome characterized by long severe winters and short, cool summers

A

Taiga

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8
Q

The property of matter that keeps an object at rest or moving in a straight line

A

Inertia

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9
Q

A part of a cell that stores water and nutrients

A

Vacuole

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10
Q

A point of land, usually high, that extends out into the water

A

Headland

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11
Q

The gel-like substance that fills a cell

A

Cytoplasm

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12
Q

The particle in an atom that has a negative charge

A

Electron

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13
Q

Not allowing light to pass through

A

Opaque

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14
Q

Microorganisms that have a cell membrane but no nuclei

A

Bacteria

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15
Q

Decayed plant or animal material in soil

A

Humus

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16
Q

A special form of diffusion that works to keep water inside the cells

A

Osmosis

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17
Q

The downward movement of one plate at a convergent boundary

A

Subduction

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18
Q

Convergent plate boundaries form where lithospheric plates collide along their boundaries with each other. (Cause earthquakes, ocean trenches, volcanoes, and mountain ranges)

A

Convergent Boundary

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19
Q

Surface landforms of an area

A

Topography

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20
Q

The cool, solid portion of the Earth that includes all of the crust and part of the upper mantle

A

Lithosphere

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21
Q

A small, positively-charged atomic particle

A

Proton

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22
Q

A basic unit that measures a force, such as gravity

A

Newton

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23
Q

A living thing composed of a fungus and an algae which can survive in harsh environments

A

Lichen

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24
Q

Something that slows or stops the flow of energy, such as heat, electricity, or sound

A

Insulator

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25
Q

Made up of only one cell

A

Unicellular

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26
Q

An animal that does not have a backbone

A

Invertebrate

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27
Q

A structure that performs specific functions in the cell

A

Organelle

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28
Q

An atomic particle that lacks charge

A

Neutron

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29
Q

A relationship between two organisms that helps one or both of the organisms

A

Symbiosis

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30
Q

A region of the world defined by its climate and the types of plants and animals that live there

A

Biome

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31
Q

Where an earthquake is felt most strongly or has its greatest intensity

A

Epicenter

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32
Q

A vascular tissue that conducts water and minerals through a plant

A

Xylem

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33
Q

An individual organism’s response to a change in the ecosystem

A

Accommodation

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34
Q

A chemical compound that:

  1. turns blue litmus paper red
  2. has a pH of less than 7
  3. tastes sour, sharp, or biting
  4. when combined with a base can form a salt
A

Acid

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35
Q

A trait or characteristic that helps an organism survive and meet its needs

A

Adaptation

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36
Q

A vertebrate animal that spends part of its life in water and part on land

A

Amphibian

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37
Q

An underground layer of rock, sand, or gravel through which water easily moves

A

Aquifer

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38
Q

The smallest particle of matter that has the properties of that matter

A

Atom

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39
Q

A tool that measures an object’s mass

A

Balance

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40
Q

An instrument for measuring air pressure

A

Barometer

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41
Q

The bottom layer of soil, made mostly of solid rock

A

Bedrock

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42
Q

The particular temperature at which a substance changes state from liquid to gas

A

Boiling Point

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43
Q

An adaptation that allows an animal to blend into its surroundings

A

Camouflage

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44
Q

An animal that only eats the meat of other animals

A

Carnivore

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45
Q

The smallest unit of life

A

Cell

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46
Q

A substance made of two or more different elements

A

Chemical Compound

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47
Q

A green pigment that allows a plant cell to use light to make food

A

Chlorophyll

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48
Q

A material through which heat or electricity flows easily

A

Conductor

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49
Q

A path that electricity follows

A

Circuit

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50
Q

A group of stars that forms a pattern or picture

A

Constellation

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51
Q

A reaction in which the nucleus of an atom is split

A

Fission

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52
Q

A living thing that eats other living things for food

A

Consumer

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53
Q

A basic building block of matter

A

Element

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54
Q

The path of food energy in an ecosystem from plants to animals

A

Food Chain

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55
Q

The layer of rock that forms the outer surface of Earth

A

Crust

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56
Q

The ability to do work or cause change; ability to make things move, stretch, or grow

A

Energy

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57
Q

A push or pull that causes an object to move, stop, or change direction

A

Force

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58
Q

Consumer that breaks down the remains and wastes of plants and animals

A

Decomposer

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59
Q

An imaginary line that circles Earth halfway between the North and South Poles

A

Equator

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60
Q

The remains or signs of past life

A

Fossil

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61
Q

A biome that has many trees

A

Forest

62
Q

A measure of how tightly matter is packed in a given amount of space

A

Density

63
Q

The movement of rock material from one place to another

A

Erosion

64
Q

A force that occurs when one object rubs against another object

A

Friction

65
Q

The process that changes food into a form that the body can use

A

Digestion

66
Q

All dead; no more left alive on Earth

A

Extinct

67
Q

A very large group of stars

A

Galaxy

68
Q

The flow of lava or ash from a volcano

A

Eruption

69
Q

A plant-like organism that breaks down dead or dying plants

A

Fungus

70
Q

A measure of the number and variety of species in an ecosystem

A

Diversity

71
Q

A break or crack in Earth’s crust where two plates come together

A

Fault

72
Q

A form of matter that has no definite shape or volume

A

Gas

73
Q

An area in which living things interact with one another and with nonliving things

A

Ecosystem

74
Q

Solid waste produced by the body during digestion

A

Feces

75
Q

A mineral valued for its beauty

A

Gem

76
Q

An animal that hunts other animals for food

A

Predator

77
Q

To turn on an axis

A

Rotation

78
Q

A tool that makes distant objects appear larger, brighter, and sharper

A

Telescope

79
Q

The speed and direction of a moving object

A

Velocity

80
Q

A layer of soil that is always frozen

A

Permafrost

81
Q

The lowest point of a wave

A

Trough

82
Q

A living thing that feeds on dead organisms

A

Scavenger

83
Q

A unit of measurement of the strength of a power source

A

Volt

84
Q

An ecosystem where it rains a lot

A

Rain Forest

85
Q

An undeveloped plant with stored food in a protective covering

A

Seed

86
Q

Narrow belt of high-speed winds in the upper troposphere

A

Jet Stream

87
Q

An animal that eats only plants

A

Herbivore

88
Q

A physical combination of two or more substances

A

Mixture

89
Q

The broadest group into which organisms are classified

A

Kingdom

90
Q

A suggested statement or explanation that can be tested to answer a question

A

Hypothesis

91
Q

An object that can attract iron and produce a magnetic field

A

Magnet

92
Q

A meteor that hits the Earth

A

Meteorite

93
Q

The thick layer of Earth beneath the crust; Magma is created in this layer

A

Mantle

94
Q

A measure of how far a place is north or south of the equator

A

Latitude

95
Q

A large mass of slow-moving ice

A

Glacier

96
Q
  1. The center of an atom containing protons and neutrons
  2. The central part of a cell that directs the cell’s activities and stores information to pass on to new cells
  3. A mass of dust and frozen water and gases at the center of a comet
A

Nucleus

97
Q

A measure of the amount of matter in an object

A

Mass

98
Q

An object that refracts light

A

Lens

99
Q

The place where a plant or animal lives

A

Habitat

100
Q

A form of energy that can travel in waves through empty space

A

Light

101
Q

Landform that can be the result of a volcanic eruption at a hot spot

A

Island

102
Q

Rock made from any other rock that has been changed by pressure, heat, very hot water, or a combination of these factors

A

Metamorphic

103
Q

The form of energy related to the random motion of the atoms and molecules that make up matter

A

Heat

104
Q

A living thing

A

Organism

105
Q

A tool that makes small objects appear larger

A

Microscope

106
Q

Something that changes stored energy into motion and heat

A

Machine

107
Q

The fifth planet from the sun and the largest planet in the solar system

A

Jupiter

108
Q

The amount of water vapor in the air at any given time

A

Humidity

109
Q

A measure of the pull of gravity on an object

A

Weight

110
Q

A group of organisms of the same species living together in an ecosystem

A

Population

111
Q

An endless process in which rocks are changed from one type to another by weathering, erosion, heat, and pressure

A

Rock Cycle

112
Q

The part of a magnet where the magnetic force is strongest

A

Pole

113
Q

A unit of measure that tells how much electrical power is used

A

Watt

114
Q

A huge sea wave produced by an earthquake, a landslide, or a volcanic eruption on the ocean floor

A

Tsunami

115
Q

Type of rock formed when melted rock hardens

A

Igneous

116
Q

Heat energy produced from within Earth’s crust

A

Geothermal

117
Q

Active during the night

A

Nocturnal

118
Q

Another name for a saltwater environment

A

Marine

119
Q

Molten rock that reaches Earth’s surface

A

Lava

120
Q

A type of animal that has three main body parts and six legs

A

Insect

121
Q

The pulling force between two objects

A

Gravity

122
Q

An animal that eats both plants and animals

A

Omnivores

123
Q

Anything that has mass and takes up space

A

Matter

124
Q

A tool that records the strength of energy waves in an earthquake

A

Seismograph

125
Q

Earth’s coldest biome, with ground whose lower layers stay frozen all year long

A

Tundra

126
Q

A type of cloud that forms low in the atmosphere, possibly leading to light precipitation

A

Stratus

127
Q

A natural or artificial pond or lake used to collect and store fresh water

A

Reservoir

128
Q

The theory that Earth’s crust is divided into plates that are always moving

A

Plate Tectonics

129
Q

An area of land that is drained by a series of creeks and rivers

A

Water Shed

130
Q

To move from one place to another

A

Migrate

131
Q

The molten rock beneath Earth’s surface

A

Magma

132
Q

A device that converts other forms of energy into electricity

A

Generator

133
Q

A vertebrate animal with hair that feeds its young milk

A

Mammal

134
Q

The sudden movement of loose rock and soil down a steep slope

A

Landslide

135
Q

An opening in Earth’s crust through which melted rock, hot gases, rock fragments, and ash reach the surface

A

Volcano

136
Q

The average motion energy of particles in matter, a measure of hot or cold

A

Temperature

137
Q

An object that orbits another object in space

A

Satellite

138
Q

An organism that makes its own food

A

Producer

139
Q

An organism that lives on or in another organism, helping itself but hurting the other organism

A

Parasite

140
Q

The process by which plants transform energy from sunlight into chemical energy

A

Photosynthesis

141
Q

To make more organisms of their own kind

A

Reproduce

142
Q

A large body in space that moves around a star

A

Planet

143
Q

Everything that exists, including stars, planets, and energy

A

Universe

144
Q

To move around another object in a circular way

A

Revolution

145
Q

The addition of harmful materials to the environment

A

Pollution

146
Q

The result of a force causing an object to move in the direction the force is applied

A

Work

147
Q

The process by which rock material is broken into smaller pieces

A

Weathering

148
Q

A common rock-forming mineral with large crystals that can be different colors

A

Quartz

149
Q

A type of rock that forms when sediments are pressed together in layers

A

Sedimentary

150
Q

A feature such as a body part or a behavior

A

Trait

151
Q

The repeated movement of water through the environment in different forms; also called the hydrologic cycle

A

Water Cycle

Science Olympiad (3 decks)

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