Worksheets2nd Semester Science EOC
Total questions: 56
Worksheet time: 29mins
Name
Class
Date
1.
Another name or light is__________________.
a)
radiant light
b)
flashlight
c)
lightening
2.
A material that allows almost all of the light striking it to pass through is ______________________________.
a)
transparent
b)
visible
c)
translucent
d)
Option 4
3.
The movement of substances from an area of higher concentration to an area of lower concentration is called ____________.
a)
temperature
b)
thermodynamics
c)
diffusion
4.
Energy due to motion is called ________.
a)
kinetic energy
b)
random motion
c)
potential energy
5.
Movement in all directions and at different speeds is called _________.
a)
random motion
b)
thermal contraction
c)
thermal expansion
6.
The measure of the average kinetic energy of the particles in a material is called ________.
a)
heat
b)
thermal expansion
c)
temperature
7.
A decrease in a material's volume when the temperature is decreased is called ______________.
a)
thermal expansion
b)
thermal contraction
c)
thermodynamics
8.
An increase in a material's volume when the temperature is increased is called __________.
a)
thermal contraction
b)
thermodynamics
c)
thermal expansion
9.
The study of heat is called _________.
a)
temperature
b)
thermodynamics
c)
heat dynamics
10.
When temperature increases, average ________ increases.
a)
potential energy
b)
kinetic energy
c)
gravitational potential energy
d)
chemical energy
11.
When a substance is heated, the particles gain energy and move apart, increasing the ________.
a)
mass
b)
volume
c)
density
d)
distance
12.
A liquid thermometer works because liquid ______ when warmed.
a)
expands
b)
contracts
c)
solidifies
d)
condenses
13.
A material that allows most of the light to go through it, but which objects appear blurry, is _________________.
a)
transparent
b)
visible
c)
translucent
d)
opague
14.
The process by which a gas changes to a liquid is called _________.
a)
evaporation
b)
sublimation
c)
condensation
d)
boiling
15.
Stored energy due to the interactions between objects or particles is called _________.
a)
potential energy
b)
kinetic energy
c)
thermal energy
d)
gravitational energy
16.
The result of the motion of all the particles, and the distance and attractions between those particles in the system is called ___________.
a)
thermal energy
b)
potential energy
c)
kinetic energy
d)
gravitational energy
17.
The change in state from a liquid to a gas is called ________.
a)
condensation
b)
vaporization
c)
boiling
d)
sublimation
18.
The change of state from a liquid to a solid is called _________.
a)
condensation
b)
vaporization
c)
boiling
d)
freezing
19.
The combined total of the kinetic and potential energy in a material is called ____________.
a)
radiant energy
b)
nuclear energy
c)
chemical energy
d)
thermal energy
20.
Why are different substances solids, liquids, or gases at room temperature?
a)
Some substances are affected more by temperature than other substances.
b)
All substances can be solid, liquid, or gas at room temperature, it just depends on how the substance is being used.
c)
Different substances have different melting and boiling points because their particles have attractive force of varying strengths between them.
d)
Substances with more particles will be a gas at room temperature, while substances of fewer particles will be a liquid or a solid.
21.
Adding thermal energy to a cup of water may cause the particles to _________.
a)
move closer together
b)
move faster
c)
slow down
d)
collide less often
22.
Can thermal energy increase even if the kinetic energy is constant?
a)
Yes, because thermal energy is a measure of the total energy of a system which is dependent on the number of particles in the system, the state of the material, as well as temperature.
b)
No, because kinetic energy is the energy of motion, and increasing particle speed is the only way to increase thermal energy.
c)
No, because when thermal energy is increased the kinetic energy increased also.
23.
A material in which a wave travels is called a _____________.
a)
medium
b)
transverse wave
c)
opaque
24.
During a hot shower, water vapor fogs up the cooler mirror when it turns to water. This is an example of _________.
a)
evaporation
b)
condensation
c)
vaporization
d)
deposition
25.
Marco put a pot of water on to boil. Half an hour later, he returned to find the pot dry. This is an example of ________.
a)
condensation
b)
deposition
c)
sublimation
d)
vaporization
26.
___________ is the amount of thermal energy required to increase the temperature of 1 kg of a material by 1 degree Celsius.
a)
thermal energy
b)
specific heat
c)
thermal expansion
27.
A ____________ is a material through which thermal energy flows easily.
a)
thermal insulator
b)
thermal conductor
c)
specific heat
28.
A ____________ is a material through which thermal energy does not flow easily.
a)
thermal insulator
b)
thermal conductor
c)
specific heat
29.
When temperatures of materials that are in contact are the same, the materials are said to be in __________.
a)
thermal insulator
b)
thermal conductor
c)
thermal equilibrium
30.
___________ is the transfer of thermal energy between materials by the collision of particles.
a)
convection
b)
radiation
c)
conduction
31.
___________ is the transfer of thermal energy through the movement of liquid.
a)
convection
b)
conduction
c)
radiation
32.
__________ is the emission or transmission of energy in the form of waves or particles through space.
a)
convection
b)
conduction
c)
radiation
33.
The amount of thermal energy transferred from a region of higher temperature to a region of lower temperature is ________.
a)
temperature
b)
heat
c)
conduction
34.
Characteristics that you can observe or measure without changing the identity of the matter are _________.
a)
chemical properties
b)
physical properties
c)
temperature
35.
________ is the amount of matter in a substance.
a)
weight
b)
volume
c)
mass
d)
matter
36.
__________ is the amount of space a substance takes up.
a)
weight
b)
volume
c)
density
d)
mass
37.
__________ is the mass per unit volume of a substance.
a)
weight
b)
density
c)
mass
d)
matter
38.
A ___________ is a characteristic of matter that can be observed as it changes to a different type of matter.
a)
physical property
b)
chemical property
c)
temperature
39.
___________ is the ability of a type of matter to burn easily.
a)
oxidation
b)
reactivity
c)
flammability
40.
___________ occurs when substances react with oxidizing agents, changing it to a new substance.
a)
oxidation
b)
reactivity
c)
flammability
41.
___________ occurs when a substance reacts with another substance, changing it into a new substance.
a)
oxidation
b)
reactivity
c)
flammability
42.
In a ________, matter changes into other substances with different chemical and physical properties.
a)
physical change
b)
chemical change
c)
chemical property
43.
A _____________ is a disturbance that transfers energy from one place to another without transferring matter.
a)
energy transferrence
b)
wave
c)
medium
44.
The starting substance in a chemical reaction are called the ________.
a)
products
b)
reactants
c)
chemical reaction
45.
The substances produced by the chemical reaction are ___________.
a)
products
b)
reactants
c)
chemical reaction
46.
Which one of the following chemical equations is balanced correctly?
a)
KClO3 ----> KCl + O2
b)
2KClO3 ---> 2KCl + 3O2
c)
4KClO3 ---> 4KCl + 6O2
d)
2KClO3 ---> KCl + 2O2
47.
A ____________________________ is a change in which one or more substances combine or break apart to form new substances.
a)
chemical reaction
b)
physical reaction
c)
exothermic reaction
48.
Which of the following chemical equation is balanced correctly?
a)
N2 + H2 ---> NH3
b)
2N2 + 2H2 ---> 2NH3
c)
N2 + 2H2 ---> NH3
d)
N2 + 3H2 ---> 2NH3
49.
The opposite of vaporization is ________________________, and they happen at the same temperature.
a)
condensation
b)
boiling
c)
sublimation
50.
The opposite of melting is ________________________, and they happen at the same temperature.
a)
boiling
b)
freezing
c)
deposition
51.
When a solid turns directly into a gas, this is called _______________________________.
a)
deposition
b)
sublimation
c)
condensation
52.
When a gas turns directly into a solid, this is called _______________________________.
a)
depostition
b)
condensation
c)
sublimation
53.
Check all the name of the different kinds of light on the electromagnetic spectrum.
a)
xrays
b)
gamma rays
c)
sunshine
d)
ultraviolet rays
54.
Check all the name of the different kinds of light on the electromagnetic spectrum.
a)
visable light
b)
microwaves
c)
radiowaves
d)
infrared waves
55.
What is the correct way to balance the following chemical equation: N2 + H2 YIELDS NH3
a)
2N2 + 3H2 YIELDS 3NH3
b)
N2 + 2H2 YIELDS 2NH3
c)
N2 + 3H2 YIELDS 2NH3
56.
Which of the following are balanced chemical equations? Check all that are balanced.
a)
2H2 + O2 YIELDS 2H2O
b)
2KClO3 YIELDS 2KCl + 3O2
c)
CH4 + O2 YIELDS CO2 + H2O
d)
NaCl + F2 YIELDS NaF + Cl2
e)
4P +5O2 Yields 2P2O5
100 %
