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Worksheets*NEW* Science Final 2019
Total questions: 68
Worksheet time: 34mins
Evolution is the
change in the physical features of a type of an organism over time
change in the hereditary features of a type of an organism over time
changes in any features of a type of an organism over time
change in the features of a type of an organism over a year
Which of he following supports the hypothesis?
conclusion
prediction
analysis
observation
Reduced vegetation on Earth results from
more carbon dioxide in the atmosphere
increased habitats
less room for humans
more oxygen in the atmosphere
Bacteria, archaea, and protists have which of the following in common:
all reproduce sexually
all reproduce asexually
all live in the ocean
O=C=O is which type of molecular model?
structural formula
space-filling model
dot diagram
ball-and-stick model
in this cross between two bunnies, the offspring are:
75% brown and 25% white
100% white
50% brown and 50% white
75% white and 25% brown
If two organisms have the same genus, they are
related
salamanders
shrimp
gorillas
What happened to the water in the illustration
The bonds between the atoms of the water molecule have broken, and the water turned to water vapor.
The bonds between the water molecules have broken, and the water turned to water vapor.
The water molecules spread out, and water is turned to water vapor.
The bonds between the atoms of the water molecule have broken, and instead of water, there is now hydrogen and oxygen.
Homologous structures, vestigial structures, and analogous structures all show evidence of what?
heredity
climate change
evolution
global warming
Which phase of meiosis is shown here?
telophase I
prophase I
anaphase I
metaphase I
Vaccines trigger the production of
pathogens
antibodies
immunity
proteins
Sex cells form through
meiosis
mitosis
Most organisms
can only live in a few habitats
are able to live in any environments
need warm weather to live
live on the surface of Earth
Groups on a periodic table are located
diagonally
horizontally
vertically
How many pairs of chromosomes are in a human cell?
21
46
23
44
Living things NEED the following characteristics to survive:
made of cells
ability to reproduce
to eat
to grow and develop
In a Punnett Square, a capital letter stands for a __________ allele.
heterozygous
recessive
homozygous
dominant
In a Punnett Square, a lowercase letter stands for a __________ allele.
homozygous
recessive
heterozygous
dominant
In a Punnet square, AA stands for_______________
homozygous recessive
homozygous dominant
heterozygous recessive
heterozygous dominant
In a Punnett Square, Aa stands for
homozygous dominant
homozygous recessive
heterozygous dominant
heterozygous recessive
In a Punnett Square, aa stands for
homozygous dominant
homozygous recessive
heterozygous dominant
heterozygous recessive
A Punnett Square shows you all the ways in which ________________ can combine.
alleles
colors
sperm
egg
Which of the following are external causes of mutation
exposure to radioactive materials
exposure to X-rays
exposure to neon light
exposure to ultraviolet light
A proton has which type of charge?
neutral (no charge)
positive
negative
A neutron has which type of charge?
neutral (no charge)
postive
negative
An electron has which type of charge?
neutral (no charge)
positive
negative
When atoms GAINS electrons, the ions become _________________ charged?
negatively
positively
When atoms LOSE electrons, the ions become _______________________ charged?
negatively
positively
Where are electrons located in an atom?
they are traveling outside the nucleus
they are located in the nucleus
they are always in the same place
Atoms are made up of
protons, ions, and neutrons
electrons, neutrons, and protons
electrons, neutrons, and protium
ions, neutrions, and protons
In a controlled experiment there are usually two groups—an experimental group and which of the following?
an independent variable
a variable group
a control group
a dependent group
Metals are found on which area of the periodic table?
in the middle
on the left side
on the bottom rows
on the right side
The noble gases are found in which area of the periodic table?
on the right side
on the left side
in the middle
on the bottom
What to you call an acid with an attitude?
a rude 'tude
an extra acid
an amino acid (get it????)
When atoms rearrange and form bonds with new substances, the process is called a ________.
solution
mixture
physical change
reaction
Electrons and Protons are:
attracted to each other
not attracted to each other
not relevant
If a hypothesis is not supported, what is the first thing a scientist should do?
gather more info
revise and modify the hypothesis
more repetition
more testing
Which of the following is NOT an indicator that energy used caused a chemical reaction?
a change in texture
a change in odor
a change in color
a change in temperature
What is useful in testing your hypothesis that two animals are distantly related?
comparing their embryos
comparing their skulls
Googling the answer
analyzing their DNA
Which of the following are examples of a physical change?
boiling water, applying lipstick, baking bread
a pond freezing, breaking glass, mowing the lawn
a nail rusting, a melting candle, carving a statue
carving a statue, roasting marshmallows, frying an egg
Which of the following is NOT a disadvantage of asexual reproduction?
need to find a mate
little genetic variation
mutations can occur
do not need a mate
In a chemical equation, the subscript is __________________
to the left of the arrow
to the right of the arrow
in front of the formula/element symbol
after the element
In a chemical formula, a coeffecient is located ___________________________
to the left of the arrow
to the right of the arrow
in front of the formula/element symbol
after the element symbol
In a chemical formula, the reactant is ______________________
to the left of the arrow
to the right of the arrow
in front of the formula/element symbol
after the element symbol
In a chemical formula, the product is ______________________
to the left of the arrow
to the right of the arrow
in front of the formula/element symbol
after the element symbol
How are viruses carried on in order to function?
by organisms
by food
with water
using energy
All atoms at the start of a chemical reaction are present at the end of the reaction.
True
False
By passing the Clean Air Act, it reduced toxins from industrial factories by ___________________ percent.
20
50
75
90
The periodic table is arranged according to
date of discovery
increasing atomic number
increasing atomic mass
increasing electrical conductivity
A Punnett Square is an example of a complex pattern of inheritance.
True
False
A stimulus is a ________________________________________ .
change in the environment
process of elimination
response to an animal
Bacteria is killed by ____________________________ .
viruses
antibodies
antibiotics
vaccinations
Vaccines are used to ______________________.
kill bacteria
treat a cold
build up antibodies
The factor being observed or measured in an experiment is the
control
independent variable
dependent variable
constant
The factor you want to test (and can be changed) in an experiment is the
control
independent variable
dependent variable
constant
Asexual reproduction involves ____________________________.
meiosis
two parent organism
fertilization
one parent organism
Viruses are difficult to treat because they are always changing.
True
False
Budding, vegetative reproduction, and animal regeneration are forms of
asexual reproduction
sexual reproduction
Which of the following is CERTAIN proof a chemical reaction has occurred?
change of color
bubbles
change of chemical properties
all of the above
Human Impact has which type of impact on the environment?
negative
positive
both positive and negative
neither positive and negative
How should you dispose of household chemicals?
flushing them down the toilet
pouring them in the drains or onto the ground
not pouring them into drains or onto the ground
throw them in the regular trash
What is the purpose of a scientist conducting a controlled experiment?
to look for answers
to collect data
trying to support the hypotheses
all of the above
Which percentage of species are found in the rain forest?
10-20%
30-50%
40-60%
15-35%
In an experiment, what factor does not change?
constant
variable
control
hypothesis
