Physical Science Review Part 1 Question Preview (ID: 42741)
This Is A Review Of 6th Grade Physical Science NCFE Concepts.
TEACHERS: click here for quick copy question ID numbers.
Which statement is true?
a) Atoms are made of molecules.
b) Molecules are made of atoms.
c) Atoms and molecules are the same thing.
d) Atoms and molecules combine to create elements.
What do all atoms have in common?
a) They occupy space and have mass.
b) They occupy space and are solid.
c) They have mass and the same density.
d) They only have independent properties of matter.
What happens to water as it freezes?
a) It contracts.
b) It expands.
c) It depends on the temperature.
d) They atoms move faster.
When density increases, what can be said about temperature?
a) It decreases
b) It stays the same
c) It is inconclusive
d) It increases
As density decreases, what happens to temperature?
a) It decreases
b) It stays the same
c) Its inconclusive
d) It increases
What happens to molecules as the gain heat?
a) They move slower and spread apart
b) They move faster and spread apart
c) They move slower and come together
d) They move slower and come together
What happens to molecules as it changes from a liquid to a solid (loses heat)?
a) They move slower and spread apart
b) They move faster and spread apart
c) They move slower and come together
d) They move faster and come together
Which of the following is an independent property of matter?
a) Mass
b) Volume
c) Weight
d) Density
What can be said about independent properties of matter?
a) They don't change based on the amount of substance.
b) They do change based on the amount of substance.
c) It depends on the substance what happens.
d) They are mass, volume, and weight.
How does heat transfer?
a) Cold to hot
b) Hot to cold
c) Back and forth
d) It depends on the material
If you leave a glass of ice water in a room and it becomes the same temperature as the room, what can be said?
a) It reached its boiling point.
b) It reached thermal equilibrium.
c) It reached its freezing point.
d) It reached the point of solubility.
A pan on a stove is an example of
a) Convection
b) Radiation
c) Conduction
d) Insulation
Which type of heat transfer occurs in fluids?
a) Conduction
b) Convection
c) Insulation
d) Radiation
What type of heat transfer would result in getting a sunburn at the beach?
a) Convection
b) Conduction
c) Radiation
d) Expansion
Which of the following allows energy to pass through easily?
a) Insulator
b) Conductor
c) Wood
d) Glass
What do insulators do?
a) Allows heat through easily
b) Allows only electrical energy through
c) Stops or slows down the transfer of heat
d) Completely stops the transfer of energy
What do most substances do when heat is added?
a) Insulate
b) Expand
c) Contract
d) Nothing
When heat is lost and an object becomes cold, what happens to the atoms?
a) They do nothing
b) They expand
c) They contract
d) They lose density
What can EM waves do that sound cannot?
a) Travel parallel to the medium
b) Travel through a vacuum (like space)
c) Travels only through a medium
d) Travels in compressional waves
What is can be said about the part of the EM spectrum we can see?
a) Visible light is a large part of the spectrum
b) Ultraviolet light is the only part we can see
c) Visible light is a narrow part of the spectrum
d) It travels slower than sound
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