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GenEd - Science and Technology > STS > Flashcards

STS Flashcards

(80 cards)

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1
Q

What is the scientific method?

A

A systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

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2
Q

True or False: Hypotheses can be proven true.

A

False. Hypotheses can only be supported or refuted.

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3
Q

Fill in the blank: The basic unit of life is the __________.

A

cell

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4
Q

What are the three states of matter?

A

Solid, liquid, gas.

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5
Q

Which organelle is known as the powerhouse of the cell?

A

Mitochondria.

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6
Q

What is the process by which plants make their food?

A

Photosynthesis.

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7
Q

Multiple Choice: Which of the following is a renewable resource? A) Coal B) Oil C) Solar Energy D) Natural Gas

A

C) Solar Energy

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8
Q

What is the formula for calculating speed?

A

Speed = Distance / Time.

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9
Q

True or False: An atom is the smallest unit of matter.

A

True.

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10
Q

Fill in the blank: The force that pulls objects toward the Earth is called __________.

A

gravity

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11
Q

What is the primary gas responsible for the greenhouse effect?

A

Carbon dioxide.

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12
Q

Multiple Choice: Which scientist is known for the theory of evolution? A) Isaac Newton B) Albert Einstein C) Charles Darwin D) Galileo Galilei

A

C) Charles Darwin

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13
Q

What is the pH range of acids?

A

Below 7.

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14
Q

True or False: Water is a compound.

A

True.

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15
Q

Fill in the blank: The process of a liquid turning into a gas is called __________.

A

evaporation

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16
Q

What is Newton’s first law of motion?

A

An object at rest stays at rest, and an object in motion stays in motion unless acted upon by an external force.

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17
Q

Multiple Choice: Which of the following is NOT a planet in our solar system? A) Earth B) Mars C) Sun D) Jupiter

A

C) Sun

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18
Q

What is the main function of red blood cells?

A

To carry oxygen to the body’s tissues.

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19
Q

True or False: The Earth revolves around the Sun in an elliptical orbit.

A

True.

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20
Q

Fill in the blank: The __________ system is responsible for transporting nutrients and oxygen throughout the body.

A

circulatory

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21
Q

What is the chemical symbol for water?

A

H2O.

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22
Q

Multiple Choice: Which type of energy is stored in food? A) Kinetic B) Potential C) Thermal D) Chemical

A

D) Chemical

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23
Q

What is an ecosystem?

A

A community of living organisms and their interactions with their environment.

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24
Q

True or False: All living organisms are made up of cells.

A

True.

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25
Fill in the blank: The __________ is the basic building block of all matter.
atom
26
What is the primary function of the leaves in a plant?
To perform photosynthesis.
27
Multiple Choice: Which of the following is a non-renewable resource? A) Wind B) Natural Gas C) Solar D) Hydro
B) Natural Gas
28
What is the term for a change in the genetic makeup of an organism?
Mutation.
29
True or False: All acids taste sour.
True.
30
Fill in the blank: The __________ is responsible for regulating body temperature.
hypothalamus
31
What is the purpose of scientific classification?
To organize and categorize living organisms based on shared characteristics.
32
Multiple Choice: Which layer of the Earth is liquid? A) Crust B) Mantle C) Outer core D) Inner core
C) Outer core
33
What is the main component of the cell membrane?
Phospholipids.
34
True or False: Energy cannot be created or destroyed, only transformed.
True.
35
Fill in the blank: The __________ is the part of the brain responsible for coordination and balance.
cerebellum
36
What is a chemical reaction?
A process that involves the rearrangement of the molecular or ionic structure of a substance.
37
Multiple Choice: What is the main gas in the Earth's atmosphere? A) Oxygen B) Nitrogen C) Carbon Dioxide D) Hydrogen
B) Nitrogen
38
What is the term for an organism that can make its own food?
Autotroph.
39
True or False: The speed of light is faster than the speed of sound.
True.
40
Fill in the blank: __________ is the process by which organisms maintain a stable internal environment.
Homeostasis
41
What is the primary role of enzymes in biological reactions?
To speed up the reactions.
42
Multiple Choice: Which of the following is a type of renewable energy? A) Coal B) Wind C) Natural Gas D) Nuclear
B) Wind
43
What is the function of the roots of a plant?
To anchor the plant and absorb water and nutrients.
44
True or False: All mammals give live birth.
False. Some mammals lay eggs.
45
Fill in the blank: The __________ is the basic unit of heredity.
gene
46
What is the definition of biodiversity?
The variety of life in the world or in a particular habitat or ecosystem.
47
Multiple Choice: What type of bond is formed when electrons are shared between atoms? A) Ionic B) Covalent C) Metallic D) Hydrogen
B) Covalent
48
What is an example of a physical change?
Melting ice.
49
True or False: The heart is a muscle.
True.
50
Fill in the blank: __________ is the study of matter and its changes.
Chemistry
51
What is the primary purpose of the scientific community?
To share knowledge and collaborate on research.
52
Multiple Choice: Which organ is responsible for detoxifying substances in the body? A) Heart B) Liver C) Kidney D) Lungs
B) Liver
53
What is the main source of energy for the Earth?
The Sun.
54
True or False: All chemical reactions are reversible.
False.
55
Fill in the blank: __________ are organisms that break down dead organic material.
Decomposers
56
What is the primary function of the immune system?
To protect the body against pathogens.
57
Multiple Choice: Which of the following is a characteristic of living organisms? A) Growth B) Respiration C) Reproduction D) All of the above
D) All of the above
58
What is the term for the amount of matter in an object?
Mass.
59
True or False: The nucleus of an atom contains protons and electrons.
False. It contains protons and neutrons.
60
Fill in the blank: __________ is the force that opposes motion between two surfaces in contact.
Friction
61
What is the definition of an ecosystem service?
Benefits provided by ecosystems to humans.
62
Multiple Choice: Which type of animal is primarily herbivorous? A) Lion B) Cow C) Eagle D) Shark
B) Cow
63
What is the primary role of chlorophyll in plants?
To absorb light energy for photosynthesis.
64
True or False: The Earth's rotation causes day and night.
True.
65
Fill in the blank: The __________ scale measures the acidity or alkalinity of a solution.
pH
66
What is the function of the pancreas in the human body?
To produce insulin and regulate blood sugar levels.
67
Multiple Choice: Which of the following is a characteristic of a solid? A) Definite shape B) Definite volume C) Both A and B D) None of the above
C) Both A and B
68
What is the term for the diversity of species within a given ecosystem?
Species richness.
69
True or False: The ozone layer protects the Earth from harmful UV radiation.
True.
70
Fill in the blank: __________ is the study of living organisms.
Biology
71
What is the primary function of the skeletal system?
To provide structure and support to the body.
72
Multiple Choice: Which of the following is an example of a mammal? A) Shark B) Eagle C) Dolphin D) Frog
C) Dolphin
73
What is the primary role of DNA in living organisms?
To store and transmit genetic information.
74
True or False: Electrons have a positive charge.
False. Electrons have a negative charge.
75
Fill in the blank: The __________ is the organ responsible for breathing.
lungs
76
What is the main function of the integumentary system?
To protect the body and regulate temperature.
77
Multiple Choice: Which of the following is a non-renewable resource? A) Solar B) Wind C) Coal D) Biomass
C) Coal
78
What is the basic principle of evolution by natural selection?
Survival of the fittest.
79
True or False: The chemical formula for glucose is C6H12O6.
True.
80
Fill in the blank: __________ is the study of Earth's physical structure and substance.
Geology

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