WorksheetsSTAAR Wars #2 1-48
Total questions: 47
Worksheet time: 12hrs 45mins
Name
Class
Date
1.
The building up of an ecosystem after lava or glaciers have left nothing but rock.
a)
Secondary Succession
b)
Primary Succession
c)
Natural Selection
d)
Adaptation
2.
A cell without a nucleus.
a)
Eukaryotic
b)
Prokaryotic
c)
Heterotroph
3.
Organisms who receive energy from dead or decaying matter.
a)
Prokaryotic
b)
Omnivore
c)
Heterotrophic
d)
Decomposers
4.
Rebuilding an ecosystem after a catastrophic event has occurred and soil is present.
a)
Primary Succession
b)
Secondary Succession
c)
Natural Selection
d)
Adaptations
5.
_____________ are the smallest unit of matter that retains the identity of the substance.
a)
compounds
b)
atoms
c)
water
d)
H2O
6.
All atoms have a ___________ in the center.
a)
electron
b)
cloud
c)
nucleus
d)
particle
7.
The nucleus of the atom has the
___________ and ___________ in it.
___________ and ___________ in it.
a)
protons and neutrons
b)
electrons and neutrons
c)
protons and electrons
8.
A proton has a ___________ charge.
a)
positive
b)
negative
c)
neutral
9.
The electrons are in the electron _________.
a)
region
b)
area
c)
cloud
10.
An electron has a ___________ charge.
a)
positive
b)
negative
c)
neutral
11.
Protons, neutrons, and electrons are called ____________ particles.
a)
atomic
b)
subatomic
c)
nucleus
12.
What so the blue circles represent?
a)
protons
b)
neutrons
c)
electrons
d)
nucleus
13.
What do the red circles represent?
a)
protons
b)
neutrons
c)
electrons
d)
nucleus
14.
What do the black circles represent?
a)
protons
b)
neutrons
c)
electrons
d)
nucleus
15.
What do the red and blue circles represent?
a)
protons
b)
neutrons
c)
electrons
d)
nucleus
16.
When many organ systems work together it can form...
a)
organ
b)
cells
c)
organism
d)
organ system
17.
Which organelle is only found in a plant cell?
a)
nucleus
b)
chloroplast
c)
mitochondria
d)
cell membrane
18.
Directs all cell activities through the DNA located there.
a)
Lysosomes
b)
Nucleus
c)
ribosomes
d)
Mitochondria
19.
What is found in both plant and animal cells but is much larger in plant cells?
a)
Nucleus
b)
Mitochondria
c)
Chloroplast
d)
Vacuole
20.
a)
4N
b)
6N
c)
10 N
d)
14 N
21.
a)
40,000 N
b)
100 N
c)
100 m/s^2
d)
10,000 kg
22.
a)
The cart was stationary with a velocity of 0 m/s for the entire 7 seconds.
b)
The cart was stationary except for a short burst of acceleration of 0.5 m/s^2 .
c)
The cart moved at a constant velocity of 0.5 m/s for the entire 7 seconds.
d)
The cart accelerated at a constant rate of approximately 0.8 m/s^2 .
23.
a)
The book, the ball, and the car
b)
The ball, the car, and the bird
c)
The can, the swing, and the bird
d)
The book, the ball, the can, and the swing
24.
a)
Procedures 1, 2, and 3
b)
Procedures 4 and 5
c)
Procedures 3 and 4
d)
Procedures 1, 3, and 5
25.
a)
As the fuel burns, gases push against the rocket, moving it upward.
b)
As the fuel burns, gases move out of the rocket and reduce air resistance.
c)
As the fuel burns, the mass of the rocket decreases.
d)
As the fuel burns, the rocket moves faster.
26.
a)
Activity 3 required more work than Activity 1, but Activity 3 did not require more work than Activity 2.
b)
Activity 1 required the same amount of work as Activity 3.
c)
Activity 2 required the most work.
d)
Activity 1 was the only activity that required work.
27.
a)
Airplane W has a greater kinetic energy than Airplane X.
b)
The two airplanes have the same gravitational potential energy but different kinetic energies.
c)
Airplane X has more gravitational potential energy than Airplane W.
d)
The two airplanes have the same kinetic energy but different gravitational potential energies.
28.
a)
0.2 m/s
b)
0.5 m/s
c)
5.0 m/s
d)
10.0 m/s
29.
a)
The toy train speeds up while going forward and then slows down.
b)
The toy train slows down while going forward and then moves backward.
c)
The toy train moves forward at a constant speed, slows down, and then stops.
d)
The toy train moves forward at an increasing speed, stops, and then moves forward.
30.
a)
2,050 m
b)
450 m
c)
910 m
d)
3,650 m
31.
a)
The activities prevent most of the water from evaporating into the atmosphere.
b)
Pollutants from the activities percolate through the soil and enter the water table.
c)
The activities replace the groundwater used.
d)
All of the above
32.
a)
The mallard, because it hunts for fish while wading near the edge of the pond
b)
The pied-billed grebe, because it dives in open water to get crayfish on the bottom of the pond
c)
The great egret, because it hunts in water near the edge of the pond for fish and other prey
d)
None of these
33.
a)
Increased gill surface area has allowed the cichlids to change their diet and avoid competing with the Nile perch.
b)
Increased gill surface area has allowed the cichlids to be camouflaged and avoid being eaten by the Nile perch.
c)
Increased gill surface area has allowed the cichlids to leave Lake Victoria and establish populations in nearby bodies of water.
d)
Increased gill surface area has allowed the cichlids to better absorb the limited oxygen in the water.
34.
a)
The functions of living things occur in cells.
b)
Cells exist only in multicellular organisms.
c)
Living things are composed of cells.
d)
Cells contain hereditary information.
35.
Which position is showing winter in North America?
a)
Position 1, because North America receives the most direct sun
b)
Position 2, because North America is tilted toward the sun
c)
Position 3, because North America is parallel to the sun
d)
Position 4, because North America is tilted away from the sun
36.
a)
a main-sequence star in spectral class B
b)
a supergiant in spectral class K
c)
a main-sequence star in spectral class K or M
d)
a white dwarf in spectral class B
37.
The universe has many different components. Which list places four components of the universe in the most likely order from smallest to largest?
a)
Planets, stars, galaxies, nebulae
b)
Nebulae, stars, planets, galaxies
c)
Galaxies, stars, planets, nebulae
d)
Planets, stars, nebulae, galaxies
38.
How do folded mountains form?
a)
They form when plate boundaries diverge.
b)
They form on the continent side of convergent boundaries.
c)
They form when plates collide or push against each other.
d)
They can form several different ways.
39.
Which arrow indicates the cause of day and night on Earth?
a)
Arrow 1
b)
Arrow 3
c)
Arrow 4
d)
Both Arrow 1 & 4
40.
Which arrows show the revolution of a body in space?
a)
Arrows 2 and 3
b)
Arrows 1 and 2
c)
Arrows 1 and 3
d)
Arrows 3 and 4
41.
The tilting of the Earth on its axis contributes to:
a)
the different phases of the moon we see
b)
the changing of seasons as Earth moves around the Sun
c)
high and low ocean tides
d)
an increase in the gravitational force from the Sun
42.
Which positions of the Moon will produce the highest tides on Earth?
a)
A and B
b)
A and C
c)
B and C
d)
B and D
43.
Use this model of the Hertzsprung-Russell diagram to answer question.
An astronomer discovers a new star that is very hot, but not very bright. What type of star did she discover?
An astronomer discovers a new star that is very hot, but not very bright. What type of star did she discover?
a)
a red giant
b)
a young star on the main sequence
c)
an old star on the main sequence
d)
a white dwarf
44.
Which of the following galaxies is most like our own Milky Way?
a)
A
b)
B
c)
C
d)
D
45.
(8.5F) A teacher asks a student to write the chemical equation for photosynthesis. The student's response is shown below
CO2 + H2O ---> C6H12O6 + O2
The equation is not balanced correctly. Which of these is a balanced equation for photosynthesis?
CO2 + H2O ---> C6H12O6 + O2
The equation is not balanced correctly. Which of these is a balanced equation for photosynthesis?
a)
12CO2 + H2O ---> C6H12O6 + O2
b)
CO2 + 9H2O ---> C6H12O6 + O2
c)
CO2 + H2O ---> 3C6H12O6 + O2
d)
6CO2 + 6H2O ---> C6H12O6 + 6O2
46.
(7.5C) The flow of energy in some Australian food chains is modeled in the energy pyramid.
Based on the model, which consumers would receive the greatest amount of energy captured by the producers in their food chains?
Based on the model, which consumers would receive the greatest amount of energy captured by the producers in their food chains?
a)
Wedge-tailed eagles
b)
Chuditch
c)
Ring-tailed opossums
d)
Eucalyptus trees
47.
(8.5D) Which of these formulas contain equal numbers of nitrogen atoms?
a)
Formulas I and III
b)
Formulas I and IV
c)
Formulas II and III
d)
Formulas I, II, and V
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