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General Science Flashcards

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Biology 101 flashcards
1
Q

Living organisms that use sunlight, chlorophyll, water, and carbon dioxide to produce food

A

Autotrophs

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2
Q

Describe as the lifeline of the body. It is the body’s pick-up and delivery system.

A

Circulatory System

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3
Q

It carries the oxygen-rich blood to the head, arms, chest and down to the waist and legs.

A

Arteries

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4
Q

They are the transmitters of message from the different parts of the body to the brain and vice versa.

A

neurons

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5
Q

The part of the brain controls breathing, blood pressure, heart rate, alertness (involuntary)

A

brainstem

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6
Q

a sequence of organism in a community that constitutes a feeding chain

A

food chain

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6
Q

Agroup of interacting plants, animals, and human in a particular area

A

ecological community

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6
Q

excessive presence of carbon dioxide in air, trapping heat near the Earth’s surface causing a rise in temperature in the environment

A

Greenhouse Effect

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6
Q

The Earth’s shield against sun’s harmful radiation

A

Ozone layer

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7
Q

contributes to the depletion of the ozone layer

A

chlorofluorocarbon

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7
Q

causes high and low tides

A

Moon’s gravitational pull

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7
Q

Parallel to the moon (tide)

A

high tide

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7
Q

Perpendicular to the moon (tide)

A

Low tide

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8
Q

Corals growing around a volcanic island

A

coral atoll

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9
Q

movement of sand and shingles (pebbles) along the coast

A

long shore drift

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10
Q

cold front pushing warm air up the ground

A

occlusion

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11
Q

A distorted image resulting from the bending of sun’s light rays by changes in air temperature

A

heat haze

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12
Q

himalayas mountain ranges’ rock formation

A

fold eruptions

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13
Q

a force that wears down mountains

A

erosion

14
Q

collision of two oceanic plates

A

volcanic island

15
Q

the theory of plate tectonics by Alfred Wegener generally accepted

A

1950

16
Q

The weathering away (transfer) of rocks by water, wind, and ice

A

erosion

17
Q

controls cell chemistry (alter chemical composition)

A

hormones

18
Q

male and female sex hormones

A

sperm cell and ovum

19
Q

the unit of measurement of energy in a given amount of food

A

calorie

20
Q

nitrogen compounds known as the building blocks of proteins

A

amino acids

21
Q

the growth of roots towards water

A

hydrotropism

22
Q

meaning of DNA

A

deoxyribonucleic acid

23
Q

three (3) products of oxygen when burned

A

energy, water, carbon dioxide

24
Q

fertilization in flowering plants

A

ovule

25
Q

concerned with the composition and changes of matter

A

chemistry

26
Q

a hypothesis not yet subjected to experimental test

A

scientific theory

27
Q

unit of measure equivalent to cubic centimeter

A

milliliter

28
Q

the easier the atom to recieve electrons is measured by its?

A

valence electrons

29
Q

the willingness of an atom to receive electrons is measured by its?

A

electron affinity

30
Q

A molecule’s positive and negative charges are at different places; polar bond have unsymmetrical charge distribution; posseses polar bonds

A

polar or dipole

31
Q

mole mass

A

6.02 x 1023

32
Q

the amount of matter in an object

A

mass

33
Q

the distance traveled by the body per unit time (how fast or slow the body moves)

A

speed

34
Q

the rate of change of the distance traveled per unit time in a stated direction

A

acceleration

35
Q

the force acting upon an object is equal to the product of the mass and acceleration of the object (law of motion)

A

2nd law of motion

36
Q

the reluctance (resistance) of he object to change either its state of rest or uniform in a straight line

A

inertia

37
Q

energy cannot be created nor destroyed but only changes from one form to another

A

law of consevation energy

38
Q

matter is made up of a large number of molecules which are in continuous motion

A

kinetic theory

39
Q

the lowest possible temperature that a substance can reach

A

absolute zero

General Science (1 decks)

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