WorksheetsDA Review
Total questions: 34
Worksheet time: 26mins
If milk has a density of 1.035 g/mL, where would it fall if added to this density column?
above the red
below the red
below the corn syrup
above the green
Why do oxygen (O) and sulfur (S) have similar properties?
They are in the same group and have the same number of valence electrons.
They are both stable and unreactive.
They are in the same period and have the same number of energy levels.
They are both metalloids.
Newton's 3rd law says that forces are in pairs. Which identifies the action-reaction pair between the yellow toy elephant and the table?
Action: The force of the baby against the table.
Reaction: The force of the table on the toy.
Action: The force of the elephant on the table.
Reaction: The force of the table legs on the ground.
Action: The force of the elephant on the table. Reaction: The force of the baby's hands on the table.
Action: The force of the elephant on the table.
Reaction: The force of the table on the elephant.
This race car driver drove 30 meters in 60 seconds. If he continues at the same speed, what will be his TOTAL distance traveled after 90 seconds? (only type the number)
(a)
Describe the motion of the boat at the beginning of the speed/time graph.
The speed is constant for 10 seconds and then the boat stops for ten seconds.
The speed is accelerating for 10 seconds and then it stops for the next ten seconds.
The speed is increasing for ten seconds and then it is constant for ten seconds.
The car is accelerating for 30 seconds and decelerating for 20 seconds.
A ball has a mass of 2.3 kilograms. What net FORCE, to the nearest whole Newton, will a person need to apply to accelerate the ball at a rate of 6.0 m/s2? (only type the number)
(a)
Which elementS have the same ENERGY LEVELS as Oxygen?
Boron (B)
Neon (Ne)
Sulfur (S)
Hydrogen (H)
This balanced equation for photosynthesis represents a reaction that involves how many atoms of oxygen? (only type the number)
(a)
A precipitate is the formation of a SOLID when liquid solutions are mixed. What type of change is this?
physical
chemical
The diagram shows a hot air balloon rising. Propane gas tanks are seen at the bottom of the balloon. The energy transformations that occur when propane gas is used to lift the balloon are (a) to (b) to (c) .
What describes the motion during segment A?
The speed is increasing.
There is constant speed.
There is acceleration.
The speed is decreasing.
A bike traveling 10 miles per hour doubles its speed while traveling South. Which shows the correct initial and final conditions for speed and velocity?
Initial Speed: 10 mph
Final Speed: 20 mph
Initial Velocity: 10 mph South
Final Velocity: 20 mph South
Initial Speed: 10 mph South
Final Speed: 20 mph South
Initial Velocity: 10 mph
Final Velocity: 20 mph
Initial Speed: 10 mph
Final Speed: 20 mph
Initial Velocity: 0 m/s2
Final Velocity: 2 m/s2
Initial Speed: 10 mph S
Final Speed: 20 mph S
Initial Velocity: 10 mph S
Final Velocity: 20 mph S
Which correctly describes some of the motion of the bus?
The speed is increasing at 16-21 seconds; decreasing at 10-13 seconds; and is constant at 5-10 seconds.
The speed is increasing from 1-6; decreasing from 16-20; and is constant at 20-25 seconds.
The bus is moving forward from points O-A; stopped from points A-B; and moving back from points B-C.
The bus is increasing speed from 0-5 seconds; decreasing from 10-13 seconds; and completely stopped from 5-10 seconds.
Which are true about this model? Choose all that apply.
Either Yellow OR Red is positive.
Both Yellow & Red are positive.
Yellow are negative.
Blue is negative.
Which element has chemical properties that are most similar to the chemical properties of potassium (K)?
Hydrogen (H)
Calcium (Ca)
Lithium (Li)
Krypton (Kr)
What element is this?
Oxygen (O)
Fluorine (F)
Nitrogen (N)
Carbon (C)
A couple is driving in a car at 45 miles per hour. They take a sudden right turn. Because of inertia, their bodies will...
sway to the left opposite of the direction of the car
sway to the right with the direction of the car
not move
lean forward
If Sodium (Na) has a mass of 23, how many neutrons are in the atom? (type the number only)
(a)
A toy car with a mass of 0.687 kg was pushed with a net force of 5 N. What is the acceleration to the nearest whole number?
1
8
3
7
Which describes the energy of the guy going down the ramp?
Potential energy is constant and kinetic energy is increasing.
Kinetic energy is increasing and potential energy is decreasing.
Potential and Kinetic energy are both increasing.
Kinetic energy is decreasing and potential energy is increasing.
What causes the tennis ball's change of motion?
Action reaction force pairs cause the ball to slow down as it drops.
The force of friction changes the direction of the ball.
Inertia decreases on the way up and increases on the way down.
The force of gravity causes it to change velocity (speed and direction).
A SHINY object that is a good CONDUCTOR of heat and electricity is MOST likely a ...
metal
nonmetal
metalloid
Three blocks are the same exact size. However, one is more dense than the other two. Why is it more dense?
It has more mass than the other two.
It has more volume than the other two.
The color affects the overall density.
It has magnetic properties.
2Na + Cl2 -----> 2NaCl
In this reaction, the mass of the 2NaCl
is greater than the mass of 2Na plus Cl2
is equal to the mass of 2Na plus Cl2
is less than the mass of 2Na plus Cl2
Thermal energy travels by three ways: (a) is the transfer of energy as electromagnetic waves such as energy from the sun reaching Earth. (b) allows heat to travel through direct contact of solids such as feeling the heat by touching a hot pan. (c) is the movement of heat through liquids and gases such as water boiling in a pot.
If two players go to kick the ball, which direction will the move?
left
right
it will not move
Which group would be considered the MOST reactive?
A train travels 480 miles in 8 hours. The speed of the train is (a) mph. (Enter the number only.)
Which spot has the greatest potential energy?
Metals are (a) . Nonmetals are (b) . Metalloids are (c) .
Energy of motion is (a) . Energy stored in food or fuel is (b) . Energy of electrically charged particles is called (c) .
How many elements are in the molecule CaCO3?
4
3
5
6
How many Oxygen atoms are present in a molecule of B2(SO3)3?
1
3
6
9
How many Oxygen atoms are present in a molecule of B2(SO3)3?
1
3
6
9
