WorksheetsScience STAAR Challenge #6
Total questions: 61
Worksheet time: 3hrs 41mins
Name
Class
Date
1.
What number indicates the nucleus?
a)
1
b)
2
c)
3
d)
4
2.
Where is most of the mass in an atom located?
a)
in the nucleus
b)
in the protons
c)
in the neutrons
d)
in the electrons
3.
What number indicates a proton?
a)
1
b)
2
c)
3
d)
4
4.
The particles with no charge in an atom are the _______.
a)
electrons
b)
neutrons
c)
protons
d)
protons and neutrons
5.
What number indicates an electron?
a)
1
b)
2
c)
3
d)
4
6.
What is the mass number of this element?
a)
5
b)
27
c)
32
d)
59
7.
The positively charged particles of an atom are the ________.
a)
electrons
b)
protons
c)
neutrons
d)
protons & neutrons
8.
The negatively charged particles of an atom are the ______.
a)
electrons
b)
protons
c)
neutrons
d)
protons & neutrons
9.
What is the atomic number?
a)
number of protons
b)
number of neutrons
10.
What is the mass number?
a)
the number of protons
b)
the sum of the number of protons and the number of neutrons in the nucleus of an atom
c)
the number of electrons
d)
the number of neutrons
11.
a neutron has this charge
a)
negative
b)
positive
c)
neutral
12.
Which statement best describes an electron?
a)
Smaller mass than a proton and a negative charge
b)
Smaller mass than a proton and a positive charge
c)
Greater mass than a proton and a negative charge
d)
Greater mass than a proton and a positive charge
13.
Which statement best describes an electron?
a)
Smaller mass than a proton and a negative charge
b)
Smaller mass than a proton and a positive charge
c)
Greater mass than a proton and a negative charge
d)
Greater mass than a proton and a positive charge
14.
A particle that moves around the nucleus is a(n)...
a)
Proton
b)
Neutron
c)
Electron
d)
Quark
15.
Which answer best fits a description of why Alfred Wegener is famous?
a)
German meteorologist that proposed the idea of continental drift
b)
proposed sea floor spreading
c)
Canadian geophysicist who combined sea floor spreading and continental drift into Plate Techtonics Theory
d)
theory that new seafloor is formed when magma is forced upward toward the surface at a mid ocean ridge
16.
Subduction is:
a)
process by which ocean crust is taken into the trenches and back to the mantle
b)
theory that new seafloor is formed when magma is forced upward toward the surface at a mid ocean ridge
c)
plates slide past each other in opposite directions
d)
a gradual movement of the continents across the Earth's surface over time
17.
Tectonic plates are:
a)
largest section of Earth's layers - composed of three layers
b)
Earth's crust and part of the upper mantle that are broken into sections
c)
lowest or deepest layer of the mantle - semi rigid
d)
landmass in which all continents were once joined together
18.
What makes it possible for you to see the surface of the moon from Earth?
a)
The moon gives off its own light.
b)
Light from Earth is reflected by the moon's surface.
c)
Light from Sun is reflected by the moon's surface.
d)
The moon absorbs sunlight during the day and glows at night.
19.
2H2O + 2N → 4H + 2NO
The chemical symbols on the RIGHT are called:
The chemical symbols on the RIGHT are called:
a)
products
b)
reactants
c)
yields/produces
20.
2H2O + 2N → 4H + 2NO
The chemical symbols on the LEFT are called:
The chemical symbols on the LEFT are called:
a)
products
b)
reactants
c)
yields/produces
21.
The path of food energy from the sun to the producer then transferred to a series of consumers is known as a?
a)
Food Web
b)
Food Chain
c)
Energy Line
d)
Energy Transformation
22.
A greater applied force is required to move an object with a greater mass than one with a smaller mass.
a)
True
b)
False
23.
If two forces act on an object in the same direction, the net force is the _____________
a)
the difference between the two forces
b)
the sum of the two forces
c)
Only one of the forces acts on the object
d)
DOOMSDAY!
24.
Total distance divided by total time is
a)
average speed
b)
constant speed
c)
instantaneous speed
d)
acceleration
25.
Pushing a child on a swing is easier than pushing an adult on the same swing.
a)
1st Law
b)
2nd Law
26.
Which of Newton's laws is illustrated when a magician pulls a tablecloth out from under the dishes without disturbing them?
a)
first
b)
second
c)
third
d)
fourth
27.
What is Newton's First Law
a)
F=ma
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion.
d)
Friction
28.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
29.
What is happening at A?
a)
Stationary
b)
Accelerating
c)
Slower steady speed; moving away from the starting position
d)
Steady speed; returning to start position
30.
Mechanical Energy is transferred to _____ Energy.
a)
Solar
b)
Mechanical
c)
Electrical
d)
Potential
31.
What best describes the energy conversion that occurs when you turn on a flashlight?
a)
electrical to thermal to light
b)
chemical to electrical to light
c)
nuclear to electrical to thermal
d)
kinetic to light to thermal
32.
What is happening at D?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Slower steady speed; moving away from the starting position
33.
What is happening at E?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Steady speed; returning to start position
34.
The living organisms in an ecosystem such as plants and animals
a)
adaptation
b)
biotic
c)
decomposer
d)
abiotic
35.
The non-living factors in an ecosystem such as rocks, water and temperature.
a)
natural selection
b)
biotic
c)
biodiversity
d)
abiotic
36.
Organisms that make their own food. Also called autotrophs.
a)
Producer
b)
Parasite
c)
Scavenger
d)
Decomposer
37.
Organisms that eat other organisms (heterotroph).
a)
Producer
b)
Parasite
c)
Consumer
d)
Scavenger
38.
Organisms, such as vultures, that feed on dead animals.
a)
Producer
b)
Scavenger
c)
Consumer
d)
Parasite
39.
Organisms that live in or on another organism and benefit at the host's expense.
a)
Parasite
b)
Producer
c)
Scavenger
d)
Decomposer
40.
Struggle between organisms of the same or different species for food, space, light, water, etc.
a)
Interdependence
b)
Natural Selection
c)
Adaptation
d)
Competition
41.
Photosynthetic plant that is the beginning of the food chain for many aquatic animals.
a)
Phytoplankton
b)
Parasite
c)
Producer
d)
Consumer
42.
Mutual dependence between organisms in order to help them survive.
a)
Competition
b)
Interdependence
c)
Adaptation
d)
Natural Selection
43.
Variety of life
a)
Natural Selection
b)
Ecological Succession
c)
Interdependence
d)
Biodiversity
44.
Gradual and orderly process of change in an ecosystem until a stable community is established.
a)
Ecological Succession
b)
Biodiversity
c)
Adaptation
d)
Competition
45.
Process by which organisms that are suited to a particular environment are better able to survive and reproduce than other organisms that are not.
a)
Ecological Succession
b)
Biodiversity
c)
Natural Selection
d)
Producer
46.
An organism that needs to eat other organisms to obtain energy is known as a:
a)
Autotroph
b)
Producer
c)
Consumer
d)
Mutualist
47.
Why might an organism have more than one arrow coming from them in a food web?
a)
More than one organism may eat them.
b)
They may eat more than one other organism.
c)
This organism gets its energy from multiple sources.
d)
They have no resources available to them.
48.
Consumer that eats plants
a)
heterotroph
b)
herbivore
c)
producer
d)
community
49.
if an eagle/hawk population goes down what happens?
a)
predators are booming
b)
nuke
c)
Mouse population explodes
d)
nothing
50.
What does a limiting factor do?
a)
makes a population grow large
b)
stops a population from growing large
c)
helps organisms adapt to abiotic factors
d)
provides geographical boundaries for migration
51.
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 .
52.
a)
Procedures 1, 2, and 3
b)
Procedures 4 and 5
c)
Procedures 3 and 4
d)
Procedures 1, 3, and 5
53.
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.
54.
Which of the following landscapes is most likely located far away from a tectonic plate boundary.
a)
A
b)
B
c)
C
d)
D
55.
Miguel’s school often practices evacuations in the event of a tsunami, a large ocean wave created by an underwater earthquake. Miguel’s school probably is located:
a)
near tornado alley
b)
in a marshy region
c)
near a place often hit with hurricanes
d)
near a plate boundary
56.
If you looked at a map of the Earth from 100 million years ago, it would look much different than today. This is because:
a)
The continual circulation of magma underneath the Earth’s crust has caused the crustal regions to move.
b)
Life forms and organisms living on the Earth in the last 100 million years have caused the landscape to radically change.
c)
Erosion and weathering has changed the shape and location of the continents.
d)
Gravity forces from the Moon and Sun cause the continents to move.
57.
Some parts of the Himalayas are growing higher as much as 1 cm/year. What is causing the fast vertical growth?
a)
A subduction zone is near the mountain chain.
b)
Huge underground geysers create pressure to push the mountains higher.
c)
Sediments from eroded materials are being deposited on top of the mountains.
d)
Two continental plates are colliding.
58.
The Mississippi River flows from the northern US to the Gulf of Mexico and picks up tremendous amounts of sediments. What process is occurring at point A?
a)
solidification
b)
erosion
c)
deposition
d)
precipitation
59.
What process is occurring at point B?
a)
solidification
b)
erosion
c)
deposition
d)
precipitation
60.
Using the chart below, which source of energy best fits in X and Y?
a)
Both X and Y = Solar Energy
b)
X = Solar Energy, Y = Nuclear Energy
c)
Both X and Y = Nuclear Energy
d)
X = Nuclear Energy, Y = Solar Energy
61.
Every year in late spring, NOAA issues a forecast on the number of hurricanes it expects to form in the Atlantic Ocean. This prediction is probably based on:
a)
the air pressure readings on that day
b)
the rate of evaporation
c)
the gravitational pull from the Moon
d)
water temperature trends in the Atlantic
100 %
