WorksheetsCat 1 and 2
Total questions: 75
Worksheet time: 3hrs 30mins
23.
The warm air in Earth’s atmosphere and the warm water in Earth’s oceans sink instead of rise.
The heat source for Earth’s atmosphere and oceans is the sun, which heats from above instead of below.
Convection cells in Earth’s atmosphere and oceans flow in the same direction instead of opposite directions.
Cold air in Earth’s atmosphere and cold water in Earth’s oceans are less dense than warm air and warm water instead of being more dense.
24.
The larvae are prey for the young birds.
The larvae are predators of the young birds.
The young birds are hosts for the larvae.
The young birds are consumers of the larvae.
25.
SF6 is a compound containing atoms of sulfur and fluorine.
SF6 is a compound that contains seven identical atoms.
SF6 is an element with sulfur in the atom’s nucleus and fluorine outside the nucleus.
SF6 is an organic compound composed of long chains of sulfur atoms surrounded by fluorine atoms.
26.
The box with a mass of 2 kg
The box with a mass of 4 kg
The box with a mass of 6 kg
The box with a mass of 8 kg
27.
A
B
C
D
28.
Procedure 1: All the reactants were liquids that evaporated. Procedure 2: A gas was formed as one product, and it escaped into the air.
Procedure 1: One of the reactants was converted to thermal energy. Procedure 2: All the products were liquids.
Procedure 1: The reactants were liquids with different densities. Procedure 2: The reactants were combined into only one product.
Procedure 1: One of the products was a gas that escaped into the air. Procedure 2: A gas from the air reacted with one of the other reactants.
31.
A
B
C
D
32.
.5
.4
.36
.93
34.
Offshore oil drilling, because water in dead zones is toxic
Commercial fishing, because fish cannot survive without oxygen
Commercial shipping, because dead zones change the course of ocean currents
Sand mining, because oxygen is not available to form the sands on ocean beaches
35.
A
B
C
D
37.
A
B
C
D
39.
A
B
C
D
An atom of an element has 36 protons, 36 electrons, and a mass number of 84? How many neutrons?
36
72
48
8
What is the mass number of a potassium (K) atom that has 20 neutrons?
18
19
20
39
F
G
H
J
A
B
C
D
A
B
C
D
F
G
H
J
F
G
H
J
(a)
F
G
H
J
F
G
H
J
F
G
H
J
F
G
H
J
F
G
H
J
F
G
H
J
F
G
H
J
F
G
H
J
F
G
H
J
F
G
H
J
A hobbyist collected data about the motion of a toy train on a straight track and then recorded the data in the graph. Which of these accurately describes the motion of the toy train?
The toy train speeds up while going forward and then slows down.
The toy train slows down while going forward and then moves backward.
The toy train moves forward at a constant speed, slows down, and then stops.
The toy train moves forward at an increasing speed, stops, and then moves forward.
Fox squirrels are common in Texas. Fox squirrels primarily eat acorns and nuts from trees but also eat insects. Some predators of fox squirrels include owls, snakes, and bobcats. Which diagram best represents how energy would flow to and from the fox squirrel?
a
b
c
d
Two solutions are mixed and react to produce the solid precipitate AgCl. The chemical reaction is shown by the balanced chemical equation.
What happens to the total mass as the reaction takes place?
The mass increases.
The mass decreases.
The mass remains constant.
The mass first decreases and then increases.
Students mixed two liquids in a beaker and listed their observations.
Based on these observations, which statement contains the best evidence that a chemical reaction occurred?
There is a change in shape.
There is a change in volume.
The two liquids mix into a solution.
The two liquids form a new substance.
Select the correct answers.
A. 3N
B. UB
C. 0N
D. B
E. 0N
F. B
A. 7N
B. UB
C. 0N
D. UB
E. 10N
F. UB
A. 7N
B. B
C. 4N
D. UB
E. 0N
F. UB
A. 3N
B. UB
C. 0N
D. B
E. 10N
F. UB
If the forces acting on a moving object are balanced, what will the object do?
The object will continue moving at the same speed and in the
same direction; same velocity (no change in direction)
The object will accelerate; speed up, slow down, or change direction
The object will stay at rest (no change in motion)
The object will begin moving
If the forces acting on an object at rest are balanced, what will the object do?
The object will continue moving at the same speed and in the
same direction; same velocity (no change in direction)
The object will accelerate; speed up, slow down, or change direction
The object will stay at rest (no change in motion)
The object will begin moving
Which is correct?
11.5 m/s right
5.5 m/s left
11.5 m/s left
5.5 m/s right
Which is correct?
12 N left
18 N left
24 N left
14 N left
Which is correct?
A
B
C
D
Which is correct?
0.2 kg
2 kg
20 kg
5 kg
Which is correct?
1. V
2. S
3. V
4. A
5. S
1. A
2. S
3. V
4. A
5. S
1. A
2. S
3. S
4. V
5. A
1. A
2. S
3. S
4. V
5. S
Which is correct?
S = 120 km
V = 120 km north
S = 750 km
V = 750 km north
S = 750 km/hr
V = 750 km/hr north
S = 120 km/hr
V = 120 km/hr north
Which is correct?
A. 2nd
B. 1st
C. 3rd
A. 1st
B. 3rd
C. 2nd
A. 3rd
B. 2nd
C. 1st
A. 3rd
B. 1st
C. 2nd
What is the formula used for Newton's 2nd Law? Give the 3 forms of the formula.
F = m/a
M = f x a
A = f X m
s = d/t
d = s x t
t = d/s
F = m x a
M = f/a
A = f/m
D = m/v
M = d x v
V = m/d
Which is the correct labeling?
A. 2nd
B. 3rd
C. 2nd
D. 1st
A. 2nd
B. 3rd
C. 3rd
D. 1st
A. 2nd
B. 1st
C. 3rd
D. 1st
A. 3rd
B. 1st
C. 3rd
D. 2nd
Which is correctly labeled?
6. nuclear
7. electrical
8. nuclear
9. mechanical
10. mechanical
11. chemical
6. nuclear
7. mechanical
8. nuclear
9. electrical
10. mechanical
11. chemical
6. mechanical
7. electrical
8. nuclear
9. mechanical
10. sound
11. nuclear
6. nuclear
7. mechanical
8. electrical
9. sound
10. mechanical
11. chemical
Which is correctly labeled?
1. light
2. thermal
3. chemical
4. electrical
5. sound
1. thermal
2. light
3. chemical
4. mechanical
5. sound
1. thermal
2. thermal
3. chemical
4. mechanical
5. electrical
1. thermal
2. light
3. chemical
4. electrical
5. sound
Which graph shows the fastest speed?
A
B
C
D
Which is correct?
A. 1.5 km
B. 1.5 km
C. 40 min
A. 1 km
B. 1 km
C. 35 min
A. 1.5 km
B. 2 km
C. 30 min
A. 1.5 km
B. 1.5 km
C. 35 min
Which is correct?
a. increases, decreases
b. decreases, increases
c. W
a. decreases, increases
b. increases, decreases
c. Z
a. increases, decreases
b. decreases, increases
c. Z
a. decreases, increases
b. increases, decreases
c. W
Which point has the greatest gravitational potential energy?
1
2
3
4
The chart lists organisms in five different categories living near the Texas Gulf Coast.
Based on the chart, which food chain best models a flow of energy in this ecosystem?
Sun -> Mosquitoes -> Shrimp -> Coyotes
Sun -> Algae -> Shrimp -> Red drum
Sun -> Pygmy sunfish -> Shrimp -> Wood duck
Sun -> Willow oaks -> Algae -> River otters
A compound secreted by honeybees to paralyze intruders in their hive is known as 2-heptanone. The formula for this compound is shown.
How many atoms of each element are in one molecule of 2-heptanone?
4 carbon atoms, 11 hydrogen atoms, and 1 oxygen atom
7 carbon atoms, 14 hydrogen atoms, and 1 oxygen atom
7 carbon atoms, 11 hydrogen atoms, and 8 oxygen atoms
6 carbon atoms, 14 hydrogen atoms, and 3 oxygen atoms
Which beach balls have potential energy but not kinetic energy?
Beach balls 1 and 3
Beach balls 2 and 4
Beach balls 1, 2 and 4
Beach balls 2, 3 and 4
A person is running at a constant speed and takes a 10 minute break. Which graph best represents the student's motion?
When a battery is used to light a flashlight, like the one pictured below, what energy transformation occurs?
Thermal ➡ Electrical
Chemical ➡ Light
Light ➡ Thermal
Sound ➡ Light
If the car in the diagram rolls faster and faster as it moves down the ramp, you can be sure that
there is no friction acting on the object.
the forces acting on it are unbalanced.
the net force on the car is 0 N.
only gravity is acting on the car.
Describe the motion in the graph...
Constant speed
stopping
decreasing speed
deceleration
(a)
(a)
(a)
(a)
(a)
(a)
The three vehicles shown below are all traveling at a speed of 15 m/s, but only the pickup truck has a changing velocity. The pickup truck has a changing velocity because the pickup truck...
can accelerate faster than the other two vehicles
is traveling in the opposite direction from the other two vehicles
is traveling on a curve in the road
needs a large amount of force to move
Four students were asked to classify the activities of the people in the picture below as examples of either potential or kinetic energy. Which student correctly classified the activities?
The picture shows a bicyclist increasing speed while riding down a hill during a bicycle race. Which statements accurately describe the potential and kinetic energy of this bicyclist?
Kinetic energy increases.
Potential energy decreases.
Kinetic energy increases.
Potential energy remains
constant.
Kinetic energy remains
constant.
Potential energy decreases.
Kinetic energy remains
constant.
Potential energy increases.
Four students designed and built air propelled rockets that were launched into the air. Their data are recorded in the table. Which rocket had the greatest acceleration?
Rocket 1
Rocket 2
Rocket 3
Rocket 4
A photograph of a bird perched on a fence post is shown. Which description best identifies the action-reaction pair between the bird and the fence post?
Action: The force of the bird on the wires
Reaction: The force of the wires on the fence post
Action: The force of the wires on the fence post
Reaction: The force of the fence post on the bird
Action: The force of the fence post on the bird
Reaction: The force of the bird on the wires
Action: The force of the bird on the fence post
Reaction: The force of the fence post on the bird
