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Test your basic knowledge |
CSET Physical Science 3
Start Test
Study First
Subjects
:
cset
,
science
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. For every action (applied force) - there is an equal and opposite reaction
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2. Energy can be neither created nor destroy
Law of conservation of energy
Distillation
Thermal energy
117
3. A compound composed of one atom of sodium and one atom of chlorine (NaCl - sodium chloride)
Electrons
chemical symbol
Table salt
Fluorescent lamp/fluorescent tube
4. Also generates a magnetic field - demonstrating an intimate connection between electricity and magnetism
Newton's first law of motion
Nuclear fission
Electric current
Angle of incidence
5. Example of chemical change - Iron chemically reacts with air and water to form rust (ferrous oxide) and is unable to change back to iron
average atomic mass
The formation of rust
Nuclear fission
Develop a hypothesis
6. Symbol: H Protons: 1 Neutrons: 0 Mass: 1
Hydrogen
The periodic table of the elements
Acceleration
Test experiment - Step 3
7. A temperature interval of one degree F is an interval of 5/9 of a degree C - The Fahrenheit and Celsius scales coincide at -40
number of protons
Celsius (
Temperature conversions
Wheel and axle
8. Energy taken from finite resources that will eventually dwindle - becoming too expensive or too environmentally damaging to retrieve - Fossil fuels include coal - petroleum - and natural gas - Fossil fuels are limited and nonrenewable and contribute
Nonrenewable energy
Light
Materials with high conductivity
Helium
9. Arranges all of the known elements from left to right and top to bottom in order of increasing atomic number - and they generally coincide with their increasing atomic mass
Lever
Ratio of the length of its slope to its width
The periodic table of the elements
Motion
10. State the specific plan on how to test the hypothesis - Create a written - step - by - step procedure - Determine the variables (any factor that can change in an experiment)
Current
Pitch
Energy
Test experiment - Step 2 - Set up the procedure
11. A constant change in the location of a body - Described by stating an object's position - velocity and acceleration
Motion
Indentation hardness
Screw
Newton's first law of motion
12. Symbol: U Protons: 92 Neutrons: 146 Mass: 238
Law of conservation of energy
Uranium
Liquids
Weight
13. A natural phenomenon by which objects with mass attract one another - Compels dispersed matter to coalesce - and thus it accounts for the very existence of the earth - the sun - and most of the macroscopic objects in the universe - Responsible for ke
Pulley/block
Incandescent light bulb
Gravitation
Rainbow
14. Solids - liquids - and gases
ratio of the length of the sloped surface to the height
Fahrenheit (
Higher boiling point
Three states of matter
15. Lever - Pulley - Inclined plane - Screw - Wedge - Wheel and axle
Law of reflection
Mixture
Test experiment - Step 2 - Set up the procedure
The six classical simple machines
16. Take on the shape of their containers - yet cannot be compressed to any significant extent - The volume is constant unless evaporation is occurring
Interval
Non - metals in the periodic table
Hardness
Liquids
17. For a homogeneous object - density is determined by dividing the mass by the volume (D = M/V) The mass is normally measured with an appropriate scale or balance - The volume may be measured directly (from the geometry of the object) or by the displac
Screw
Frequency
Density
Measurement
18. When foreign substances are dissolved in water it creates a solution - Solutions with a pH of less than 7.0 are said to be acidic - and solutions with a pH greater than 7.0 are said to be basic or alkaline
Indentation hardness
Solution
Crest
Chemical changes
19. A wave's height - the distance between its resting position and its crest
Pitch
Amplitude
Chemical changes
Density
20. The path or circuit an electric current flows - Electricity requires a complete path for the electrons to flow - If the path is broken and there are not alternative paths for the electrons to follow - the electrons will not move - make it possible fo
Current
Electric circuit
Law of reflection
Convection
21. Unlike incandescent lamps - fluorescent lamps always require a ______ to regulate the flow of power through the lamp
Energy
Ballast
Hardness
Develop a hypothesis
22. The number of waves produced in a given time
Frequency
Thermal radiation
Law of reflection
Gravity
23. Rates minerals and puts them on a scale from 1 to 10 (1 is the softest and 10 is the hardest) determined by the ability of a harder mineral to scratch a softer mineral - Talc is at 1 and diamond is at 10
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24. Elements with similar properties fall into the same vertical columns on the preriodic table to form _____ - Properties of elements change greatly across any one row (period)
Heat conduction/Thermal conduction
Optics
groups or families
intermediate
25. Heat can be converted to motion - and motion can produce heat
Nuclear fission
Thermal energy
Hydrogen
Celsius (
26. The pitch of a sound depends on how fast the particles of a medium vibrate
Newton's first law of motion
Angle of incidence
Wheel and axle
Pitch
27. A compound and portable inclined plane - A triangular - shaped tool used to separate two objects or portions of an object - lift an object - or hold an object in place - It functions by converting a force applied to its blunt end into forces perpendi
Wheel and axle
Density
Wedge
Boyle's Law
28. Some gases can transition directly to a solid Example: the formation of frost
groups or families
Hydrogen
Dependent variable (responding variable)
Deposition
29. Energy generated from natural sources (such as sunlight - wind - rain - tides - and geothermal heat) which are renewable (naturally replenished)
Oxygen
Ballast
Transfer of heat
Renewable energy
30. The resulting piece of paper or solution with water becomes a ________ (one of the oldest) - used to test materials for acidity
Hydrogen
Fahrenheit (
Optics
pH indicator
31. Metals account for the vast majority of the elements in the periodic table - Show a wide range of chemical and physical properties - Most metals are good conductors of heat and electricity - and some - like iron and cobalt - are magnetic - Many metal
Second - class lever
Angle of refraction
Metals in the periodic table
Lever
32. Symbol: O Protons: 8 Neutrons: 8 Mass: 16
Scratch hardness
Oxygen
chemical symbol
Nuclear fusion
33. Temperature scale named after the German physicist Daniel Gabriel Fahrenheit (1686-1736) - who proposed it in 1724 - On this scale - the freezing point of water is 32
Hardness
Fahrenheit (
Celsius (
Mohs' scale of hardness
34. The amount of matter in a chemical substance - In everyday usage - is commonly confused with weight
The periodic table of the elements
ratio of the length of the sloped surface to the height
Chemical changes
Mass
35. The characteristics that makes up the physical composition of a substance - Include color - form - electrical conductivity - and density
Physical properties
Carbon
Convection
proportional to its mass
36. Account for 17 elements in the periodic table - Lack the properties of metals but are very common - Include oxygen - nitrogen - and carbon - 7 metalloid elements - and 7 gases - Poor conductors of electricity
Light
proportional to its mass
Non - metals in the periodic table
Litmus test
37. Transferring of heat by the circulating motion of particles (in liquid or gas) - Occurs when hot air is less dense than cool air and therefore rises - When the heat moves in a circular pattern - convection currents are formed - Heat can be transferre
Pitch
Convection
Angle of refraction
Light
38. Salt has a ___________ than water and therefore doesn't evaporate with the water
Reflection
Higher boiling point
groups or families
Newton's first law of motion
39. Kinetic energy: energy possessed by a moving object - An object in an unstable position has potential energy - for the position could be converted into movement Example: a baseball thrown vertically upward
Scratch hardness
Rainbow
Kinetic and potential energy
ratio of the length of the sloped surface to the height
40. This is the variable that changes as a result of the manipulated variable. The dependent variable is observed and measured. Examples include determining how long various saltwater solutions take to freeze - and determining the number of cycles a pend
Light
Ballast
Dependent variable (responding variable)
Acceleration
41. Turns red under acidic conditions - and turns blue under basic (i.e. - alkaline) conditions
Static electricity
Litmus test
Ratio of the length of its slope to its width
Physical sciences
42. Characterized by their ability to retain their shape - Relatively incompressible - Melt when heated and vaporize only slightly - All substances become solid if cooled sufficiently Examples: rocks - crystals - wood - feather - ice
Steps in conducting a scientific investigation
Draw conclusion
freezing point
Solids
43. A mechanical device that changes the direction or magnitude of a force - The simplest mechanisms that use mechanical advantage to multiply force - Uses a single applied force to do work against a single load force
Simple machine
Heat conduction/Thermal conduction
First - class lever
Water
44. A hypothesis is an attempt to answer the question or predict the outcome - - A hypothesis is a possible explanation for a set of observations
Interval
Develop a hypothesis
The formation of rust
Weight
45. Relies on the the first law - The acceleration of an object is proportional to the force applied (the more force - the more acceleration)
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46. Atoms are made up of several tiny parts - At the center of an atom is a core called the __________ - which is made up of particles called protons and neutrons
Acid rain
Mixture
nucleus
Uranium
47. For smooth surfaces - the angle at which light is incident on the surface equals the angle at which it is reflected
Law of reflection
presence
Amplitude
Physical sciences
48. Glass has a higher ___________ than air and the different frequencies of light have different wavelengths (dispersion) - causing them to be refracted at different angles - so that you can see them - The different frequencies correspond to different c
Charles's Law
Electricity
Second - class lever
Refractive index
49. A rigid object that is used with an appropriate fulcrum or pivot point to multiply the mechanical force that can be applied to another object - Examples: wheelbarrow (the wheel works as the fulcrum) - scissors (the fulcrum is where the blades cross)
Simple machine
Nuclear fusion
Lever
Table salt
50. Can multiply force or distance depending on the location of the fulcrum End: Output force Middle: Fulcrum Other end: Input force Examples: seesaws - scissors - pliers
First - class lever
Angle of incidence
Electricity
Weight