Question 1(multiple choice worth 2 points)
if the amount of gravitational force on an object changes, which of the following would also change?
density
mass
volume
weight
question 2(multiple choice worth 2 points)
light, x-rays, microwaves, and radio waves are examples of which type of energy?
electrical energy
nuclear energy
thermal energy
radiant energy
question 3(multiple choice worth 2 points)
why does a piece of cork float in water?
the cork is less dense than the water.
the cork has less mass than a molecule of water.
the water has more volume than the cork.
the water weighs more than the cork.
question 4(multiple choice worth 2 points)
what is true about energy in an ordinary chemical reaction? energy is
created during the reaction.
destroyed if there is an explosion.
not created or destroyed.
used up by the reaction.
question 5(multiple choice worth 2 points)
which of the following measure would remain consistent, no matter its location?
density
mass
gravity
weight
question 6(multiple choice worth 2 points)
what energy conversion occurs when a solar panel uses light to provide power to a house?
electrical energy is converted to solar energy.
nuclear energy is converted to solar energy.
radiant energy is converted to electrical energy.
thermal energy is converted to electrical energy.
question 7(multiple choice worth 2 points)
what would you use if you needed to determine the density of an object?
balance and graduated cylinder
balance and scale
scale and spectroscope
spectroscope and graduated cylinder
question 8(multiple choice worth 2 points)
which of the following is a tool used to measure volume?
digital scale
meter stick
graduated cylinder
triple beam balance
question 9(multiple choice worth 2 points)
if you are using a thermometer, you are measuring the
average kinetic energy of the particles in a substance.
amount of radiant energy emitted from a substance.
maximum amount of heat energy released by a substance.
potential energy contained in the particles of a substance.
question 10(multiple choice worth 2 points)
a roller coaster reaches its maximum kinetic energy when it
reaches the bottom of a hill.
begins rolling down a hill.
is sitting at the top of a hill.
is starting up a hill.
Answers: 2
Chemistry, 22.06.2019 02:00
The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?
Answers: 3
Chemistry, 22.06.2019 04:40
In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town
Answers: 1
Chemistry, 22.06.2019 07:30
In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?
Answers: 1
Chemistry, 22.06.2019 09:00
Particles vibrate in a rigid structure and do not move relative to their neighbors.
Answers: 1
Question 1(multiple choice worth 2 points)
if the amount of gravitational force on an ob...
if the amount of gravitational force on an ob...
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