WorksheetsVocab Set #8: Unit 2 Chemistry 4
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
Any chemical reaction that takes in heat from its environment; endothermic.
a)
Bonds
b)
Absorption
c)
Energy
d)
Heat
2.
A chemical attraction between the electrons of two or more atoms; what holds atoms together in molecules and compouds.
a)
Bonds
b)
Catalyst
c)
Product
d)
Reactant
3.
A substance that changes the rate of a chemical reaction but is, itself, unchanged at the end of the process.
a)
Chemical Reaction
b)
Bonds
c)
Catalyst
d)
Heat
4.
A process in which one or more substances, also called reactants, are converted to one or more different substances, known as products.
a)
Physical Reaction
b)
Exothermic Reaction
c)
Chemical Reaction
d)
Bonding
5.
A chemical reaction in which energy is absorbed into the reaction; results in a cooler surrounding temperature.
a)
Endothermic Reaction
b)
Exothermic Reaction
c)
Chemical Reaction
d)
Physical Reaction
6.
The ability to do work or cause a change.
a)
Heat
b)
Energy
c)
Product
d)
Bonds
7.
A chemical reaction in which energy is primarily given off in the form of heat; results in a higher surrounding temperature.
a)
Exothermic Reaction
b)
Endothermic Reaction
c)
Chemical Reaction
d)
Physical Reaction
8.
The energy transferred between objects that are different temperatures.
a)
Thermal Energy
b)
Temperature
c)
Heat
d)
Exothermic
9.
A law that states that matter cannot be created or destroyed in any chemical or physical change. It can only be transferred or transformed.
a)
Law of Conservation of Energy
b)
Law of Conservation of the Universe
c)
Law of Conservation of Matter
d)
Law of Conservation of Light
10.
The total energy of motion in the particles of a substance; the energy of heat.
a)
Heat
b)
Temperature
c)
Exothermic
d)
Thermal Energy
11.
A measure of how much matter is in an object.
a)
Volume
b)
Density
c)
Mass
d)
Weight
12.
Anything that has mass and takes up space.
a)
Atoms
b)
Matter
c)
Particles
d)
Stuff
13.
A substance produced in a chemical reaction; the output.
a)
Products
b)
Reactants
c)
Enzymes
d)
Catalyst
14.
A chemical substance that is present at the start of a chemical reaction; the input.
a)
Products
b)
Reactants
c)
Enzymes
d)
Catalyst
15.
A measure of the average kinetic energy of the atoms or molecules in a system; how hot or cold a substance is.
a)
Heat
b)
Thermal Energy
c)
Temperature
d)
Exothermic
100 %
