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WorksheetsTest 1
Total questions: 21
Worksheet time: 11mins
Which of these is NOT a branch on the Phylogenetic Tree of Life?
Eukarya
Protozoa
Bacteria
Archaea
In early taxonomic classification, organisms were classified by:
phylum
environment
genetic code
morphology
One of the first depictions of taxonomic organization was from the Greek philosopher:
Plato
Hippocrates
Aristotle
Linnaeus
The highest modern classification group is:
Domain
Kingdom
Order
Phylogeny
Which of these is NOT a characteristic of life?
Respiration
Adaptation
Growth and Development
Energy Processing
How many protons does this element have?
26
27
13
2
What is the overall charge of this atom?
Hint: use atomic number for number of protons.
net -1
net -6
net 1
net 0
The atomic mass of an element is:
number of protons + number of neutrons
number of protons
when 2 or more atoms come together to form a molecule
the number of valence shells
Elements are STABLE if:
they are bonded with another element
their outermost shell is full
their number of electrons is divisible by 8
they have at least one valence shell
Which of these is a valid hypothesis?
People are happier on days when the sky is blue because blue is a calming color.
Ghosts exist, but cannot be observed or measured.
The universe was created by a major force that left behind no trace.
Increasing the amount of sunlight a tree gets will increase its growth rate.
Applied science:
(Check all that are correct)
aims to expand our basic knowledge
uses science to solve real-world problems
can stem from basic science practices
lead to the creation of antibiotics
According to the scientific method, once you form an hypothesis, then:
Make a prediction
Conduct the experiment
Ask a quesiton
Design an experiment
You are a researcher trying to figure out what the effect of drinking one gallon of water has on an athlete's digestion. What is the independent variable?
gallon of water
digestion
the athlete
How many kinds of chemical bonds are there?
4
2
3
6
Hydrogen bonds:
(Check all that apply)
are a bond between a hydrogen and another atom
are a bond just between two hydrogen atoms
are strong
are weak
How many protons in this element?
183
262
79
2.33
Which of the following include extremophiles?
Eukarya
Archaea
Bacteria
Protozoa
Which of these is NOT true about hypotheses
It is testable
It is an educated guess
It can be proven false
It is always true
What must a hypothesis be in order to be considered scientific?
Broad and general
Testable and falsifiable
Repeatedly tested and not rejected
Accepted as fact
