What's the Matter?
Observing the Laws
Can Force Cause Motion?
Are You Energized?
How Do Waves Transfer Energy?
100
This is the density for a solid object that has a mass of 54g and increases a volume of water from 100mL to 109 mL when placed in it.
What is 6 cubic centimeters or milliliters?
100
According to Boyle's Law, a colder can of soda will have this type of pressure?
What is "HIGH?"
100
A block lying on a table remains at rest when pulled to the right with a string. A spring scale, attached to a string, reads 7.5N. Which force on the block is equal to 7.5N? a). g-force exerted on the block b). force to the left exerted by air c). upward force exerted by the table d). force exerted by static friction
What is "d. force exerted by static friction?"
100
Which of the following describes what happens when water becomes ice at is freezing point? a). Energy is added to the water, so its particles move slower. b). Energy is removed from the water, so its particles lock in place. c). Energy is added to the water so its particles move faster. d). Energy is removed from the water, so its particles move apart.
What is "b). Energy is removed from the water, so its particles lock in place."
100
In which materials are sound waves likely to travel most quickly? a).liquid water b). air at 4 degrees Celsius c). a piece of steel d). empty space
What is "c). a piece of steel?"
200
This is the name for the following ionic compound - Mg3P2?
What is "magnesium phosphide?"
200
This law dictates that each side of a chemical equation must have the same number and type of elements in the reactants as it does in the products.
What is the "Law of Conservation of Mass?"
200
If you double the force acting on a mass, how could you its mass to keep acceleration the SAME? ( F = M x A )
What is "double its mass?"
200
A ball is tossed from a building. At "this point in its fall" the kinetic energy of the ball is greatest and its potential energy is lowest.
What are "the point just before the ball hits the ground?"
200
Theresa wants to make the pich of a sound lower? What should Theresa do?
What is " the frequency of the wavelength and/or elongated its wavelength."
300
Which of the following is an isotope of potassium? A). 20 protons , 20 neutrons B). 17 protons, 22 neutrons C). 18 protons, 21 neutrons D). 19 protons, 19 neutrons
What is "D. 19 protons, 19 neutrons."
300
According to the Universal Law of Gravitation, if the distance between two objects is increased by a factor of four, what happens to the force of gravity between them?
What is "the force of gravity is 1/16 as great."
300
Which of the following is NOT an example of acceleration? a). a person jogging at 3 m/s along a winding path. b). a car braking as it approaches a stop sign. c). a gazelle running 27 m/s east. d). a plane taking off.
What is "c). a gazelle running 27 m/s east?"
300
This type of nuclear reaction results in a single nucleus undergoing a decrease in mass and atomic number, and the release of a helium nucleus.
What is "alpha decay?"
300
Concave lenses bend light waves, making it possible for a near-sighted person to focus light on the retina. What interaction of light occurs through the lens? a) refraction c) interference b) reflection d) diffraction
What is" a. refraction?"
400
What is the correct formula for "dinitrogen tetraoxide" and from what type of bond did this compound form?
What is "N2O4? ; from a covalent bond."
400
According to Charles, how will the volume of a gas at a constant pressure change, if its temperature doubles?
What is "the volume of the gas will double."
400
Maddie drops a baseball from a window on the tenth floor of her apartment. What is the baseball's velocity after two seconds?
What is "19.6 m/s?"
400
What are two methods by which heat can be transferred by collisions of particles in matter?
What is "conduction and convection?"
400
This type of wave is made from compressions and rarefactions and vibrates its particles in a back-and-forth motion.
What is a "longitudinal wave?"
500
Lithium has an atomic number of 3. If it loses its valence electron to another element to become stable, what will be its electrical charge?
What is lose "1+."
500
If an object is moving in a straight line with a constant speed and has no unbalanced forces acting on it, according to Law 1, how will its motion change over time?
What is " the object's motion will remain unchanged?"
500
In order for a lever arm to multiply effort force, a). its effort should be longer than its resistance arm b). its resistance arm must be longer than its effort arm c). its resistance arm should be one meter in length d). its effort arm must be equal to its resistance arm
What is "a). its effort should be longer than its resistance arm?"
500
Mia can have all the appliances on in her house at the same time, or she can have each appliance on one at a time. How are the appliances in Mia's kitchen wired?
What is "in a parallel circuit?"
500
What interaction occurs when two out of phase sound or light waves meet and merge into a single sound or light wave? a. refraction c. constructive interference b. reflection d. destructive interference
What is " d. destructive interference?"
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