Counting on Chemicals
F-A-M
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100
Elements that are shiny, malleable, and good conductors of electricity and thermal energy.
What are metals?
100
The mathematical formula for acceleration.
What is a=F/m (Acceleration = Force divided by mass)?
100
The upward contact force exerted by a table supporting a resting book against gravity's downward contact force.
What is normal force?
100
A student walks 10 m East, turns around, and walks 10 m West back to the start. State their total distance and total displacement.
What is Distance = 20 m and Displacement = 0 m?
100
The number of complete wave cycles that pass a given point per second.
What is frequency?
200
Determine the total number of atoms present in one molecule of glucose: C6H12O6.
What is 24 atoms?
200
Calculate the acceleration of a 10 kg box pushed across the floor with a net force of 50 N.
What is 5 m/s2?
200
Calculate the average speed of a runner who travels 200 meters in 25 seconds.
What is 8 m/s (200/25)?
200
Classify these measurements as Speed or Velocity:
55 mph, 20 m/s North, 3 km/h down.
What is Speed, Velocity, and Velocity?
200
If you increase the amplitude of a wave without changing its frequency, state how its energy changes.
What is energy increases?
300
This fundamental law states that mass/matter is neither created nor destroyed during a chemical reaction.
What is the Law of Conservation of Mass?
300
If the net force on an object is doubled while its mass remains constant, describe what happens to its acceleration.
What is acceleration doubles (increases)?
300
Identify the Newton's Law demonstrated by simultaneous forces.
What is Newton's Third Law (equal and opposite reaction forces)?
300
Interpret the motion shown by this line that curves downward with an increasing slope.
What is the acceleration back to the start (home)?
300
State which wave has a higher frequency and explain how you know.
What is Wave A, because it completes more wave cycles per second?
400
Count the number of hydrogen atoms on the reactant side of the balanced photosynthesis equation:
6CO2 + 6H2O --> C6H12O6 + 6O2
What is 12 hydrogen atoms?
400
Object A (2 kg) and Object B (8 kg) are pushed with equal net force. State which object accelerates faster and by how many times.
What is Object A accelerates 4 times faster (accelerates faster)?
400
Name all the forces acting on the soccer ball when moved on a grass surface.
What is PUSH (moving the ball right), NORMAL (pushing upwards), GRAVITY (pulling downwards), and FRICTION (pushing to the left)?
400
Describe the motion happening in the graph.
What is fast speed (60 miles in 1 hour), to rest, to constant speed (30 miles in 1 hour)?
400
If both waves have the same frequency, state which wave carries more energy and identify the property that proves it.
What is Wave B, because it has a greater amplitude?
500
In photosynthesis (6CO2 + 6H2O --> C6H12O6 + 6O2), explain how the Law of Conservation of Mass is demonstrated by counting carbon and oxygen atoms on both sides.
What is 18 total oxygen atoms and 6 total carbon atoms exist on both reactant and product sides, proving atoms were rearranged without losing mass?
500
A 10 kg sled is pushed right with 40 N of force against a 10 N friction force acting left. Calculate the sled's acceleration.
What is 3 m/s2 to the right (Fnet = 30 N; a=30/10)?
500
Describe how all three of Newton's Laws act on a person during a sudden car crash.
What is 1st Law: the body continues to move forward; 2nd Law: the force exerted on the passenger depends on mass and vehicle deceleration; 3rd Law: the seatbelt pushes backwards as a reaction as the person moves forward?
500
Calculate the average speed for Segment 1 (0-10 s), Segment 2 (10-20 s), and the Overall Average Speed.
What is Segment 1 = 4 m/s; Segment 2 = 0 m/s; Overall = 3.33 m/s (100 m/30 s)?
500
Compare Gamma Ray waves to Radio waves in terms of frequency and energy.
What is Gamma Ray waves have higher frequency and higher energy, while Radio waves have lower frequency and lower energy?