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Q 1/17
Score 0
Remember that d=m/v. Estella investigated the properties of a grayish, shiny metal with a volume of 85 cm^3 and a mass of 212.5 g. What is the density of the substance?
120
18 g/cm^3
0.4 g/cm^3
212.5 g/cm^3
2.5 g/cm^3
Q 2/17
Score 0
Dr. Boltzmann wants to find the average energy of motion of the particles within a block of steel. What property is Dr. Boltzmann trying to find?
120
Temperature
17 questions
Q.
Remember that d=m/v. Estella investigated the properties of a grayish, shiny metal with a volume of 85 cm^3 and a mass of 212.5 g. What is the density of the substance?
1
120 sec
Q.
Dr. Boltzmann wants to find the average energy of motion of the particles within a block of steel. What property is Dr. Boltzmann trying to find?
2
120 sec
Q.
What phase of matter has a definite volume, but no definite shape?
3
120 sec
Q.
What process is so powerful that it can change a solid directly to a gas?
4
120 sec
Q.
What process occurs when a pot of water boils away on a stove?
5
120 sec
Q.
What process occurs when water vapor forms frost on a window?
6
120 sec
Q.
ITS TIME FOR a blast from the past!! Energy that moves through solids, liquids, and gases in the form of vibrations.
7
30 sec
Q.
Energy produced when electrons flow through materials or jump from one place to another.
8
30 sec
Q.
This type of energy consists of two types: kinetic (motion) and potential (pull of gravity).
9
30 sec
Q.
Energy associated with the nucleus of an atom.
10
30 sec
Q.
What type of energy transformation occurs when you turn on a lamp?
11
120 sec
Q.
Use the formula F = ma to calculate the following answer. What is the force of an object with a mass of 25 kg and an acceleration of 10 m/s2?
12
120 sec
Q.
Use the formula F=ma. Calculate the acceleration of a 150 kg object that is moved with a force of 300N.
13
120 sec
Q.
Use the formula F = ma. A 10 kg bowling ball would require what force to accelerate down an alleyway at a rate of 3 m/s^2?
14
120 sec
Q.
What is the net (total) force in this diagram? Remember...add if they are in the arrows are in the same direction. Subtract if the arrows are in different directions.
