Scientific Theories and Thinking

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Which of the following is a scientific theory related to Earth Science?

Plate tectonics and the Giant impact theory

an __ may include a structural physiological, or behavioral trait that improves and organism's likelihood of survival and reproduction

adaptation

____ is the process of maintaining a stable internal environment

homeostasis

A scientific theory explains why something occurs, whereas a scientific law describes ____ something occurs

how

meters is the standard SI unit for-

length

A _______ is a description of what always occurs under certain conditions in nature.

scientific law

Theories basic to all life sciences include ____

the cell theory and the theory of evolution by natural selection

the theory of evolution and the cell theory are well-known scientific-

theories

A scientific _____ is a hypothesis which has stood up to repeated attempts at falsification and is supported by a great deal of data and evidence.

theory

To see the inside of specimen, ____ electron microscopy should be used

transmission

A theory is based on experiments, while a hypothesis is based on observations.

true

the hazard sign on a chemical container signifies that the contaminants are hazardous and they could enter into the soil and ground water systems

true

Scientific theories are constructed in order to explain, predict, and ______ phenomena.

understand

A scientific law answers "how" questions, whereas a scientific theory answers ______ questions.

why

Is a questioning attitude is part of what it means to think like a scientist?

yes

Is a scientific theory is generally accepted as a scientific truth?

yes

A theory stating that cells are the basic structural units of all organisms is known as the ____

Cell theory

which of the following are scientific models?

Climate models, geological models, ecosystem models, and molecular models

Sacchoaromyces cervisiae is baker's yeast. What type of organism is yeast?

Eukaryote, unicellular

Which of the following is true for the scientific theory?

Explanation supported by experiments, widely accepted as true, supported by repeatable results

Which of the following is a scientific theory related to Biology?

Germ theory of Disease

What may eventually become scientific theories?

Hypotheses

Choose the important factors that influence the evaluation of a model

Its ability to predict future observations, Its ability to explain past observations, and Its ability to control events

___ is the SI unit for thermal energy

Kelvin

Which type of microscope uses visible light and lenses to mangy objects?

Optical

What is another name of the germ theory of disease?

Pathogenic theory of medicine

____ unit is the modern form of the metric system

SI

Which of the following is a scientific theory related to Physics?

Special relativity, general relativity, and the Quantum field theory

When can a scientific theory be changed?

When new evidence is found

Which of the following are the examples of a model organism?

Yeast, Zebra fish, and nematode

Scientific theory

a broad explanation for events that is widely accepted as true

A scientist should have an open mind because scientific knowledge is always ____

changing

_____ comes from a direct, physical observation of something or a process

evidence

If only a little evidence disproves a scientific theory, the theory can still be accepted.

false

resolution is a measure of clarity of an image; it is the minimum distance three points can be separated and still be distinguished as separate points

false

What is the standard SI unit for mass?

gram

SI stand for International system of Units

true

Scientific theories are well established explanations of evidence, or explanation of an aspect of the natural world based on repeated observations.

true

Scientists use the term theory in a different way than the term is used in everyday language

true

___ is the sum of all the chemical reactions in a cell

metabolism

__ is the SI prefix that refers to thousandth

milli

Which is a non-human series that is extensively studied to understand particular biological processes and concepts?

model organism

Does the germ theory states that microorganisms are always beneficial to humans?

no

Does the tissue theory states that all living things. are made up of cells, and living cells always come from other living cells?

no

Is a hypothesis is based on evidence collected through experiments?

no

Is a scientific theory becomes a scientific law if more evidence is found to support it?

no

Is a scientific theory is not as good as a fact because it is not supported by evidence.

no

Is the scientificc theory a guess about how or why something happens?

no

One of the main aims of scientific modeling is to allow researchers to quantify their _____ about the world.

observations

atoms are arranged into molecules, then into macromolecules, which make up ____ which work together to form ___

organelles, cells

Which model plays an important role in explain, predicting and understanding phenomena?

scientific model

To collect evidence to support a hypothesis-

scientists do experiments

_____ are useful for testing, analysis or training of real-world systems or concepts.

simulations

The theory of relativity and the Quantum field are examples for ______

special relativity

Lamarck's theory of evolution was _____ by Darwin's theory of evolution by natural selection

superseded

For a scientific theory to qualify, it must bee consistent with a. pre-existing theory that is experimentally verified

true

The standard SI unit for time is second(s)

true

Which of the following describes a scientific law?

A scientific law describes what always happens under certain conditions in nature

Some living things produce more offspring than others, so they pass more genes to the next generation than others do. This process is called?

Natural selection

Which of the following is a scientific theory related to Astronomy?

The Big Bang theory

Which laboratory technique refers to the procedures that are carried out under sterile conditions?

aseptic

the basic unit of the structure and function of living things is the-

cell

simple life forms, like bacteria, do not grow and develop

false

simple life forms, like bacteria, have simple chemistry

false

the idea that certain microbes cause certain diseases is described as the _____ theory of disease

germ

Which of the following should be worn as safety equipment while carrying an investigation in the lab?

gloves, lab coat, googles

Which one of the following units of measurement would be the most appropriate in determining the mass of a banana?

grams

A scientific theory-

is based on lots of evidence

Factors important in evaluating a model include

its ability to explain past observations

____ is the SI prefix that refers to thousand

kilo

a___ is a place that has controlled conditions in which scientific research, experiments, and measurement may be carried out

laboratory

A scientific _____ is a principle which can be used to predict the behavior of the natural world.

law

Mendel's descriptions of how traits are passed from parents to their offspring are examples of scientific-

law


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