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WorksheetsPDHS CAST REVIEW part 1
Total questions: 43
Worksheet time: 1hrs 6mins
Which of the particles in the chart is a neutron?
Particle A
Particle B
Particle C
Particle A and B
Which statement is correct about protons and valence electrons?
The number of valence electrons determines the identity of the element, while the number of protons determines its reactivity.
The number of valence electrons plus the number of protons is equal to the atomic mass of an element.
The number of protons minus the number of valence electrons is equal to the number of neutrons
The number of protons determines the identity of an element, while the number of valence electrons determines its reactivity.
Which list of characteristics best describe the properties of neon, argon, and krypton?
Conducts heat and electricity, shiny, and solid
Brittle metalloids, reactive with oxygen, and melt at low temperatures
Gaseous at room temperature and chemically stable
Magnetic, highly reactive, and flammable
Mara is creating a model of ammonium phosphate, (NH₄)₃PO₄. She will use blue beads for nitrogen atoms, red beads for hydrogen atoms, orange beads for phosphorus atoms, and green beads for oxygen atoms. How many beads will she need of each color?
3 blue, 12 red, 1 orange, and 4 green
1 blue, 4 red, 1 orange, and 4 green
1 blue, 4 red, 3 orange, and 4 green
3 blue, 4 red, 4 orange, and 1 green
Mrs. Taylor's class created four mixtures with eight different substances. After mixing two of the substances in each beaker, the class recorded their observations in the chart.
In which beakers did a chemical reaction most likely occur?
1 and 2
2 and 3
2, 3, and 4
1, 3, and 4
What is the net force acting on this balloon?
7N to the right
10N to the right
6N to the left
4N to the right
Which of the particles in the chart is a neutron?
Particle A
Particle B
Particle C
Particle A and B
Which statement is correct about protons and valence electrons?
The number of valence electrons determines the identity of the element, while the number of protons determines its reactivity.
The number of valence electrons plus the number of protons is equal to the atomic mass of an element.
The number of protons minus the number of valence electrons is equal to the number of neutrons
The number of protons determines the identity of an element, while the number of valence electrons determines its reactivity.
Which list of characteristics best describe the properties of neon, argon, and krypton?
Conducts heat and electricity, shiny, and solid
Brittle metalloids, reactive with oxygen, and melt at low temperatures
Gaseous at room temperature and chemically stable
Magnetic, highly reactive, and flammable
Mara is creating a model of ammonium phosphate, (NH₄)₃PO₄. She will use blue beads for nitrogen atoms, red beads for hydrogen atoms, orange beads for phosphorus atoms, and green beads for oxygen atoms. How many beads will she need of each color?
3 blue, 12 red, 1 orange, and 4 green
1 blue, 4 red, 1 orange, and 4 green
1 blue, 4 red, 3 orange, and 4 green
3 blue, 4 red, 4 orange, and 1 green
Mrs. Taylor's class created four mixtures with eight different substances. After mixing two of the substances in each beaker, the class recorded their observations in the chart.
In which beakers did a chemical reaction most likely occur?
1 and 2
2 and 3
2, 3, and 4
1, 3, and 4
What is the net force acting on this balloon?
7N to the right
10N to the right
6N to the left
4N to the right
The data chart indicates how carts of different mass accelerate when a constant force is applied. Using the data, determine the amount of force used in Newtons.
1N
2N
4N
8N
The Earth is tilted at an angle of 23.5º relative to its position to the Sun.
The tilting of the Earth on its axis contributes to:
The different phases of the moon we see
The changing of seasons
High and low ocean tides
An increase in the gravitational force from the Sun
Karen observes the moon phase to be waxing gibbous. What is the next moon phase to occur?
Waning Gibbous
Full Moon
Waxing Crescent
New Moon
The Hertzsprung Russell diagram is labeled with specific stars.
Based on the diagram, which of the following is a true statement?
Betelgeuse, Antares, and Aldebaran are white dwarfs.
The Sun is hotter and brighter than Spica.
Regulus, Sirius A, and Procyon are all on the main sequence
Sirius B is a red giant.
Some parts of the Himalayas are growing as much as 1cm/year. What is causing the fast, vertical growth?
A Subduction zone is near the mountain chain.
Huge underground geysers create pressure to push the mountains higher
Sediments from eroded materials are being deposited on top of the mountains
Two continental plates are colliding
If you were located at Point X, which path would be the steepest path to the shoreline?
Path A
Path B
Path C
Path D
How might clearing forest areas for the construction of factories potentially affect the stability of the carbon cycle?
A greater amount of oxygen will be released into the atmosphere by the construction of the factories while a decreased amount of carbon dioxide is produced by the remaining forest areas.
A lesser amount of carbon dioxide will be taken in and used for food production by forests while more carbon dioxide is produced by factories.
The amount of carbon dioxide available for photosynthesis in the remaining forest areas will be decreased due to the construction of factories.
The amount of oxygen in the atmosphere available for animal respiration will likely increase due to deforestation.
The arctic hare in the picture is shown camouflaged in the snow from possible predators.
What would happen if the arctic hare was introduced into a new environment without snow and ice?
The species would become overpopulated.
The chance of young hares surviving to adulthood and reproducing would be greatly diminished.
The hare would be a popular target for game hunters.
All of the above.
Which statement describes the energy changes that occur when water in a tea kettle is heated on a stove that uses natural gas?
Some of the chemical energy in the natural gas transforms into thermal energy, which heats the water. Then some of the thermal energy changes into sound energy when the water forms steam and the steam leaves the kettle.
Some of the thermal energy in the natural gas transforms into sound energy when the water becomes hot. Then some of the sound energy changes into light energy when the kettle becomes warm.
Some of the electrical energy in the natural gas transforms into thermal energy, which causes the water to form steam. Then some of the thermal energy changes into sound energy and light energy when the steam leaves the kettle.
Some of the light energy in the natural gas transforms into chemical energy in the water. Then some of the chemical energy changes into kinetic energy when steam leaves the kettle and into sound energy when the water boils.
What is the primary function of the body system shown?
The protection of vital organs from injury
The chemical breakdown of food into smaller pieces
The transport of nutrients, water, and oxygen to body cells
The production of hormones that regulate growth and metabolism
Which statement does NOT correctly compare silicon with another element?
Silicon is a better conductor of electricity than sulfur.
Silicon conducts electricity as well as copper does.
Silicon is a solid at room temperature, but argon is a gas.
Silicon is less malleable than silver.
A marble is given potential energy by being placed at Location W. When the marble is released, it rolls down the track.
At which location does the marble have maximum kinetic energy?
Location W
Location X
Location Y
Location Z
A marble is given potential energy by being placed at Location W. When the marble is released, it rolls down the track.
At which location does the marble have maximum kinetic energy?
Location W
Location X
Location Y
Location Z
Both the esophagus and the small intestine are involved in the digestion of food. The esophagus squeezes food into the stomach by wave-like muscle contractions. Peptidase enzymes in the small intestine break food molecules into smaller molecules.
Which statement best describes changes to food during digestion?
The muscle contractions result in physical changes, while the action of the peptidase results in chemical changes.
The muscle contractions and the action of the peptidase both result only in physical changes.
The muscle contractions result in chemical changes, while the action of the peptidase results in physical changes.
The muscle contractions and the action of the peptidase both result only in chemical changes.
Students slid a small wood block along a flat tabletop for a distance of 1.6m. The data show the motion of the block of wood.
Which graph displays the motion of the wood block?
What keeps planets in the solar system from moving in straight lines through the galaxy?
Light Energy
Gravity
Inertia
Potential Energy
some thing that can be separated
something that is difficult seperate
Deep Space
snow
air
clouds
vapor
When a space shuttle was launched, the astronauts onboard experienced an acceleration of 29 m/s. If one of the astronauts has a mass of 20 kg, what net force in Newtons did the astronaut experience? Force = mass x acceleration
5800
580
58
5.8
0.5 m/s/s
500 m/s/s
50 m/s/s
0.005 m/s/s
A car is moving at a speed of 3 m/s when a force of 25N is acting on it. What will happen if the force is changed to 35N?
The car will move at a constant speed of 13 m/s
The speed of the car will not change.
The speed of the car will increase.
The speed of the car will decrease to 1 m/s
150 m/s
150 m/s east
150 m east
30 m/s/s
A car maintains a constant speed
A car is sitting still
A car turns the corner
Velocity is the change in distance over time, while speed is the change in velocity over time.
Velocity has a direction associated with it, while speed has no specific direction.
Velocity has no direction associated with it, while speed has a specific direction.
Velocity is the change in speed over time, while speed is the change in distance over time.
The car with the smaller mass will require less force to stop than the car with the larger mass
The car with the larger mass will maintain its velocity while traveling down the hill.
The car with the smaller mass will take longer to stop than the car with the larger mass
The car with the larger mass will have less inertia than the car with the smaller mass.
Left
Right
Stay Stil
Up and Down
A person is pushed forward into their seatbelt when a car stops.
Newton's First Law
Newton's Second Law
Newton's Third Law
A large car takes more force to accelerate at the same speed as a small car.
Law of Inertia
Law of Force and Acceleration
Law of Action/Reaction
A rocket is launched into space.
Newton's First Law
Newton's Second Law
Newton's Third Law
In the case of a car crash, the body’s inertia will continue to carry it to the right. However, if the person is wearing a seatbelt, in which direction will this force act?
to the right
to the left
upward
downward
