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Worksheetsphysics review 22-23
Total questions: 21
Worksheet time: 56mins
Which of these processes describes a nuclear fusion reaction?
A nucleus absorbs energy to produce lighter nuclei.
A nucleus splits to produce energy and lighter nuclei
Two nuclei bind together to produce energy and heavier nuclei.
Two nuclei bind together to produce energy and a lighter nuclei.
What kind of force holds the nucleus together?
Strong Nuclear Force
Weak Nuclear Force
Gravitational Force
Electromagnetic Force
The atomic number of a given element is
equivalent to which of the following?
Proton number in the nucleus
Neutron number in the nucleus
Sum of the protons and neutrons in the
nucleus
Sum of the protons, neutrons and electrons
During nuclear fission, a nucleus _________.
grows
divides
shrinks
combines with another
When two smaller nuclei come together, it is called ________.
nuclear fission
nuclear fusion
chain reaction
critical mass
In the Sun, hydrogen atoms fuse together to form _________.
helium
mercury
oxygen
nitrogen
What type of relationship did Einstein state there was between energy and mass?
equal
inverse
additional
negative
How do molecules react when heat energy is added to them?
They feel warmer but stay in place
They feel warmer and move slower.
They feel warmer and move faster
Molecules do not react with heat energy only solar energy
What tool do we use to measure temperature?
thermometer
scale
calculator
ruler
Temperature is measured in units called ___________
newtons
degrees
grams
pounds
Heat moves from ____________ to _____________.
any way it wants
cold to hot
warm to luke warm
hot to cold
State of matter where particles are tightly packed and move very little.
Solid
Liquid
Gas
Plasma
State of matter in which particles are free to flow over each other and take the shape of their container
Solid
Liquid
Gas
Plasma
The process of changing a gas to a liquid
Freezing
Boiling
Condensation
Melting
The state of matter that has the most kinetic energy
Soild
Liquid
Gas
Hint ( This means its getting colder, think of the molecules)
Hint ( This means its getting colder, think of the molecules)
