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WorksheetsMid-Term Review
Total questions: 77
Worksheet time: 49mins
Name
Class
Date
1.
First person observations and data collected during an experiment.
a)
Fieldwork
b)
Lab work
c)
Empirical evidence
d)
Test variable
2.
Completed outside, not controlled, example would be a marine biologist
a)
fieldwork
b)
lab work
c)
empirical evidence
d)
outcome variable
3.
Inside, controlled environment, example would be a chemist
a)
fieldwork
b)
lab work
c)
empirical evidence
d)
outcome variable
4.
When an experiment in performed by different people.
a)
replication
b)
repetition
c)
test variable
d)
outcome variable
5.
When an experiment in performed by the same person.
a)
replication
b)
repetition
c)
test variable
d)
outcome variable
6.
The factor that is changed on purpose in a scientific experiment. Graphed on the X axis. also known as the independent variable.
a)
replication
b)
repetition
c)
test variable
d)
outcome variable
7.
The factor that might change as a result of the independent variable. Graphed on the Y axis. also known as the dependent variable.
a)
replication
b)
repetition
c)
test variable
d)
outcome variable
8.
An important explanation that has been well tested.
a)
Theory
b)
Law
c)
Hypothesis
d)
Prediction
9.
Describes how part of the world or universe acts under certain condition, is supported mathematically.
a)
Theory
b)
Law
c)
Hypothesis
d)
Prediction
10.
Is an educated guess that is supported by research. Written, "If...,then...,because..."
a)
Theory
b)
Law
c)
Hypothesis
d)
Prediction
11.
Is a guess that is not supported by research.
a)
Theory
b)
Law
c)
Hypothesis
d)
Prediction
12.
Poses a question to research but does not follow the scientific method.
a)
Scientific experiement
b)
Investigation
c)
Microscope
d)
Telescope
13.
Has an independent and dependent variable, is organized, performed under controlled conditions, and follows the scientific method.
a)
Scientific experiement
b)
Investigation
c)
Microscope
d)
Telescope
14.
Used to magnify microscopic items, such as a cell.
a)
Scientific experiement
b)
Investigation
c)
Microscope
d)
Telescope
15.
Gathers visible light in order to view items that far away.
a)
Scientific experiement
b)
Investigation
c)
Microscope
d)
Telescope
16.
__________ is the use of knowledge to create products.
a)
Matter
b)
Mass
c)
Gravity
d)
Technology
17.
Anything that has mass and takes up space.
a)
Matter
b)
Mass
c)
Gravity
d)
Technology
18.
Amount of matter in an object, measured in grams.
a)
Matter
b)
Mass
c)
Gravity
d)
Technology
19.
Force of attraction between any two objects. Increases as mass increases and as distance decreases.
a)
Matter
b)
Mass
c)
Gravity
d)
Technology
20.
The category that contains the most elements on the periodic table
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Element
21.
Shiny, conduct electricity, conduct thermal energy, and malleable
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Element
22.
Not shiny, does not conduct electricity, does not conduct thermal energy, and brittle.
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Element
23.
Has characteristics that are combination of both metal and nonmetal.
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Element
24.
Made up of only one type of atom.
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Element
25.
vertical columns on a periodic table, same number of valence electrons, similar chemical properties
a)
Group
b)
Period
c)
Electron
d)
Proton
26.
positive and located in the nucleus of an atom
a)
Group
b)
Period
c)
Electron
d)
Proton
27.
neutral and located in the nucleus of an atom
a)
Atom
b)
Neutron
c)
Electron
d)
Proton
28.
negative and located in the electron cloud of an atom
a)
Atom
b)
Neutron
c)
Electron
d)
Proton
29.
The smallest unit of all matter.
a)
Atom
b)
Neutron
c)
Electron
d)
Proton
30.
The smallest part of a living thing that is still considered a living thing itself.
a)
Chlorophyll
b)
Cell
c)
Mitochondria
d)
Chloroplast
31.
A green pigment that captures sunlight energy.
a)
Chlorophyll
b)
Cell
c)
Mitochondria
d)
Chloroplast
32.
An organelle that performs the process of photosynthesis.
a)
Chlorophyll
b)
Cell
c)
Mitochondria
d)
Chloroplast
33.
An organelle that performs the process of cellular respiration.
a)
Chlorophyll
b)
Cell
c)
Mitochondria
d)
Chloroplast
34.
Why is it necessary to perform an experiment multiple times?
a)
to reduce the effects of any uncontrolled variables
b)
To take up space on the data table
c)
Because there is extra time available
d)
to reduce the effects of the independent variable
35.
You are performing an experiment and know that replication and replicable results are important for the quality of the investigation. How can you determine if your results are replicable?
a)
carefully record your observations
b)
conduct the experiment with a large sample size
c)
Ask other students to perform the experiment
d)
Perform the experiment, yourself, multiple time.
36.
What would be the best way to collect empirical evidence?
a)
Ask other people for their opinion
b)
Conduct an experiment and make observations
c)
Collect data from another persons experiment
d)
none of these
37.
The pull of gravity on an object is that object's . . .
a)
Density
b)
Mass
c)
Matter
d)
Weight
38.
Why do measurements include unit behind the number?
a)
So that the number looks scientific
b)
So that everyone knows what the number means
c)
It looks cool
d)
None of these
39.
Amount of mass in a given volume. D=m/v
a)
Density
b)
Volume
c)
Temperature
d)
Solution
40.
Amount of space an object or substance takes up, can be measured in liters or cubic centimeters.
a)
Density
b)
Volume
c)
Temperature
d)
Solution
41.
Measure of the average kinetic energy of particles in a substance
a)
Density
b)
Volume
c)
Temperature
d)
Solution
42.
Mixture in which the molecules of one substance are dissolved in another substance. An example is salt water.
a)
Density
b)
Volume
c)
Temperature
d)
Solution
43.
According to Ohm's law, electric current increases when the voltage increases or resistance _________
a)
increases
b)
decreases
c)
does nothing
d)
none of these
44.
When you do work, you transfer. . .
a)
time
b)
energy
c)
air
d)
sweat
45.
What type of energy is stored in the food you eat?
a)
electrical
b)
light
c)
chemical
d)
nuclear
46.
What is true for all electromagnetic waves?
a)
They require a medium to travel and all travel at the same speed
b)
They do not require a medium and all travel at the same speed
c)
They require a medium and do not travel at the same speed
d)
They do not require a medium and they do not travel at the same speed
47.
Process by which a cell divides twice in order to produce haploid gametes, sex cells.
a)
Mitosis
b)
Meiosis
c)
Multicellular
d)
Unicellular
48.
Process in which a eukaryotic cell divides in order to produce two genetically identical diploid cells.
a)
Mitosis
b)
Meiosis
c)
Multicellular
d)
Unicellular
49.
There are more ______ than multicellular organisms in both aquatic and terrestrial environments.
a)
Mitosis
b)
Meiosis
c)
Multicellular
d)
Unicellular
50.
1. cells come from preexisting cells. 2. cells are basic unit of life. 3. organisms are made up of one or more cells
a)
Law of conservation of mass and energy
b)
Theory of evolution
c)
Cell theory
d)
Universal law of gravitation
51.
States that mass and energy are never created or destroyed, just change forms.
a)
Law of conservation of mass and energy
b)
Theory of evolution
c)
Cell theory
d)
Universal law of gravitation
52.
What does this chemical equation show?
a)
photosynthesis
b)
cellular respiration
c)
Cell theory
d)
Natural selection
53.
In what cell organelle does this chemical equation take place?
a)
ribosome
b)
mitochondria
c)
chloroplast
d)
nucleus
54.
What does this chemical equation show?
a)
photosynthesis
b)
cellular respiration
c)
Cell theory
d)
Natural selection
55.
In what cell organelle does this chemical equation take place?
a)
chloroplast
b)
ribosomes
c)
mitochondria
d)
nucleus
56.
Which organ is the stomach?
a)
B
b)
F
c)
H
d)
I
57.
Which organ in the digestive system churns the food and liquefies it into chyme using acid and smooth muscle contractions?
a)
B
b)
F
c)
H
d)
I
58.
What two parts of the Linnaeus classification system are used to produce an organism's species name?
a)
Kingdom and Phylum
b)
Phylum and Class
c)
Order and Family
d)
Genus and species
59.
Process by which organisms change over time as those with traits best suited for the environment pass their traits to the next generation.
a)
Natural selection
b)
Charles Darwin
c)
Finch
d)
Theory of evolution
60.
A theory that describes how organisms changeover many generations.
a)
Natural selection
b)
Charles Darwin
c)
Finch
d)
Theory of evolution
61.
Through which medium will a mechanical wave travel the fastest?
a)
Solid
b)
Liquid
c)
Gas
d)
It doesn't
62.
What is the resulting net force and direction of the image shown?
a)
20N to the right
b)
20N to the left
c)
the forces are balanced
d)
20N straight up
63.
Two bulldozers exert 600N of force on a boulder from opposite directions. In which direction will the boulder move?
a)
It would move to the left because the net force is pushing it in that direction
b)
It would stay still because the net force is equal and in opposite directions
c)
It would move to the right because the net force is pushing it in that direction
d)
None of these
64.
Which of the following would have the most gravitational forces according to the law of universal gravitation? M1 x M2/distance
a)
one 20 kg ball and one 1 kg ball that are 1 m apart
b)
two 20 kg balls that are 1 m apart
c)
they are the same
d)
none of these
65.
Which of the following organelles converts energy into ATP, a form that the cell can use?
a)
mitochondria
b)
chloroplast
c)
ribosome
d)
nucleus
66.
Fire produces which of the following forms of energy?
a)
nuclear and thermal
b)
electrical and thermal
c)
light and thermal
d)
light and chemical
67.
A metal coin has certain properties that can be measured. Which property of a coin is different on the moon than it is on Earth?
a)
Mass
b)
Matter
c)
Density
d)
Weight
68.
Green plants and algae make their own food through photosynthesis. What is photosynthesis?
a)
a cell process that uses energy from sunlight to
convert water and oxygen into food
b)
a cell process that uses energy from sunlight to
convert water and carbon dioxide into food
69.
a symbiotic relationship in which both species benefit
a)
commensalism
b)
parasitism
c)
mutualism
d)
ATP
70.
Barnacles are crustaceans that attach themselves to large marine animals such as whales. The barnacles are transported to new feeding grounds, usually without affecting the whale. This process is an example of which of the following?
a)
commensalism
b)
parasitism
c)
mutualism
d)
ATP
71.
a symbiotic relationship in one species benefits and the other is unaffected
a)
commensalism
b)
parasitism
c)
mutualism
d)
ATP
72.
a symbiotic relationship in which one species benefits while the other is harmed
a)
commensalism
b)
parasitism
c)
mutualism
d)
ATP
73.
chemical energy
a)
commensalism
b)
parasitism
c)
mutualism
d)
ATP
74.
Which of these choices describes the set of instructions that determine a specific trait in a person, such as attached earlobes?
a)
cellulose
b)
glucose
c)
gene
d)
ATP
75.
Delia is teaching her sister about important molecules in the body. She tells her sister that one molecule provides a set of instructions that determines traits, such as eye color or hair color. Which molecule is Delia describing?
a)
cellulose
b)
glucose
c)
DNA
d)
ATP
76.
Which of these organisms can be classified as a decomposer?
a)
flower
b)
Dog
c)
Mushroom
d)
Cat
77.
A jellyfish is floating in the ocean. What will happen to the jellyfish when a wave passes through the water?
a)
It
will move up and down, but it will return to about the same place
b)
A. It will be carried away with the wave.
c)
neither of these
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