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General Science Review
General Science Review
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A review of the basic science concepts.
Flashcards
29 cards
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Questions
29
Answers
1
What is the first step of the scientific method?
conducting an experiment
asking a question
developing a hypothesis
making an observation
2
Homeostasis means:
the same thing as evolution
keeping things the same
rapid change
a change over long periods of time
3
You can work safely in the science lab by
waiting until the end of experiments to clean area
taking shortcuts in procedures
estimating measurements of chemicals
following all instructions
4
Plants acquire energy from the sun through the process of ___________
evolution
photosynthesis
osmosis
chemiosynthesis
5
Sugars are a type of _____________, which our body uses for energy.
carbohydrate
nucleic acid
lipid
protein
6
All organisms are composed of:
diatoms
cellulose
none of the above
cells
7
What type of cells do
not
have a cell wall?
animal
bacteria
plant
8
True or false: All organisms require energy to carry out life processes.
False
True
9
The changes in human babies during the first year of life is an example of
heredity
responsiveness
evolution
development
10
Scientific hypotheses are most often tested by the process of
experimenting
analyzing data
inferring
communicating
11
Plants and other organisms that make their own food are known as ____________
weird
consumers
heterotrophs
producers
12
Which molecule takes the shape of a double helix?
DNA
carbohydrates
proteins
RNA
13
Photosynthesis occurs in the ___________ of plant cells.
cytoplasm
chloroplast
nucleus
mitochondria
14
If a theory is challenged by new evidence, which of the following could occur?
a vote it taken on whether to accept the new evidence
the theory is accepted, not the evidence
the evidence is wrong
the theory could be altered
15
Children tend to resemble their parents due to:
heredity
metabolism
homeostasis
responsiveness
16
All living things must:
move
have two parents
maintain homeostasis
eat food
17
The genetic material that essentially makes us who we are is ___________
RNA
the nucleus
DNA
protein
18
A hypothesis must be:
testable
observed
proven correct
experimental
19
Biology is the study of:
life
energy
minerals
the wheather
20
Theories help scientists to:
explain large bodies of data
propose new ideas about how the world works
determine truth from lies
prove hypotheses
21
Which of the following components would benefit from communication between scientists?
analyzing data
observing
measuring
all answers are correct
22
The mechanism by which evolution occurs is called:
artificial selection
natural selection
metabolism
interdependence
23
The movement of water from a high to low concentration is known as
osmosis
diffusion
active transport
water bending
24
True or false: About half of your genetic makeup is from your father.
True
False
25
A hypothesis is
a concluding statement
a definite answer to a given problem
a proven statement
a testable possible explanation of an observation
26
Humans are _________, which means we regulate our own internal body temperature.
warm-blooded
cold-blooded
27
The smallest unit capable of carrying out life functions is:
DNA
a cell
tissue
blood
28
Ultimately, all scientific knowledge comes from:
both experimentation and observation
observation
textbooks
experimentation
29
An individual with XX sex chromosomes is ________
male
female