Observations that are gathered and analyzed during an experiment are called ______________.
What is data
100
All scientific study begins with careful ____________.
What are observations?
100
The basic unit of life.
What is a cell.
100
An organized way of gathering and analyzing evidence about the natural world
What is science?
200
In order for a hypothesis to have value in science, it must be ____________.
What is testable.
200
In an experiment, the one variable that is deliberately changed is the ____________________.
What is independent variable?
200
A scientific explanation for a set of observations that can be tested in ways that support it or reject it
What is a hypothesis?
200
All living things obtain and use __________ and ____________
What are matter and energy?
200
When a plant bends toward a sunny window.
What is response to stimuli.
300
A well tested explanation that unifies a broad range of observations and hypotheses, and allows scientists to make accurate predictions about new situations.
What is a theory
300
A vitamin company wants to determine the effectiveness of a new weight loss supplement. One group receives the weight loss pill three times a day. Another group receives a similar pill that has no active ingredients.
Which group is the experimental group?
300
In science, a(n) _________________is often used to test a hypothesis.
What is an experiment?
300
The idea that species change over time.
What is evolution?
300
An amoeba divides to produce two genetically identical offspring.
What is asexual reproduction?
400
Name one specialized branch of biology.
What is ecology, botany, zoology, microbiology and many more.
400
Scientists conduct an experiment to find out if temperature affects the growth rate of bean seedlings. The dependent variable is _____________________.
What is the growth rate of bean seedlings.
400
A logical interpretation based on what scientists already know
What is an inference?
400
The combination of chemical reactions through which an organism builds up and breaks down materials
What is metabolism?
400
The universal genetic code that is used by all living things
What is Deoxyribonucleic Acid (DNA)
500
When scientific discoveries are used to improve our daily lives
What is technology?
500
The mushroom has red spots is an ______________, but the mushroom is poisonous is an _______________.
observation
inference
500
Color, texture, and smell are examples of ________________ observations.
What is qualitative?
500
Mammals maintain a relatively steady body temperature even when the environmental temperature changes. This is an example of
What is homeostasis?
500
A study shows that a new pesticide is safe for use on food crops, but the study was conducted by a scientist who works for the pesticide company. This suggests a potential ____________ that might affect the interpretation of the data.