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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. The number of protons of that element - No two elements have the same atomic number - Elements in the periodic table are arranged in order of increasing atomic number
Atomic number
Electric circuit
contrasted
Charles's Law
2. Resistance to fracture or plastic (permanent) deformation due to friction from a sharp object
Acceleration
Scratch hardness
Electric circuit
Amplitude
3. 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
Fahrenheit (
Three states of matter
Law of reflection
Nuclear fusion
4. As of 2006 - the table contains _____ chemical elements whose discoveries have been confirmed - 94 are naturally found on the earth - and the rest are synthetic elements that have been produced artificially in particle accelerators
Materials with poor conductivity
Newton's first law of motion
Electromagnetic radiation
117
5. Symbol: C Protons: 6 Neutrons: 6 Mass: 12
Test experiment - Step 3
Convection
nucleus
Carbon
6. Expand to fill any available space - a compressible fluid - with its volume determined by the pressure and temperature of the environment
pH
Physical sciences
Gases
Dependent variable (responding variable)
7. Scratch hardness - indentation hardness - and rebound hardness
Uranium
Three principal operational definitions of hardness
Refraction
Helium
8. Known as insulators - In materials that act as insulators - the electrons are held tightly inside their atoms and the electrons cannot move freely - Include plastic - rubber - glass - air - and wood
Forms of energy
Screw
Water
Materials with poor conductivity
9. The ratio of the output to the input force - Also called leverage - Results in less force applied over a greater distance - Helps to make work easier
Acceleration
Hardness
Mechanical advantage
Energy
10. In physics and engineering - it means the strength of the gravitational pull on the object (how heavy it is - measured in newtons)
Materials with high conductivity
Nonrenewable energy
Weight
Non - metals in the periodic table
11. Unlike incandescent lamps - fluorescent lamps always require a ______ to regulate the flow of power through the lamp
Nuclear fusion
Motion
Ballast
Weight
12. 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
The periodic table of the elements
Carbon
Law of reflection
Physical changes
13. Hard matter is ______ with soft matter
Angle of incidence
intermediate
contrasted
Amplitude
14. A compound composed of one atom of sodium and one atom of chlorine (NaCl - sodium chloride)
Electricity
Metals in the periodic table
Table salt
Gravitation
15. Protons have a __________ electrical charge - and neutrons have no charge
positive
Variables that are controlled
Solution
contrasted
16. 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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17. Collect Data (results) - Analyze the data to look for patterns or trends - Record measurements and observations during the experiment - Present data in a graph - table - or another form
Test experiment - Step 3
Chemical reactions
Physical sciences
south pole
18. The resulting piece of paper or solution with water becomes a ________ (one of the oldest) - used to test materials for acidity
Acid rain
Non - metals in the periodic table
pH indicator
Liquids
19. A form of energy that can be used to produce sound - light - heat - and power - it exists where the number of negative electrons does not precisely equal the number of positive protons - Electrons are held in the atom by an electrical force and have
Electricity
Magnetism
Motion
Pulley/block
20. The amount of matter in a chemical substance - In everyday usage - is commonly confused with weight
Mass
Liquids
Celsius (
Mohs' scale of hardness
21. A change of one substance into a different substance - Occurs whenever compounds are formed or decomposed - During this reaction - there is a rearrangement of atoms that makes or breaks chemical bonds - This change is usually not reversible - unlike
Chemical changes
Gravity
Chemical elements
117
22. The distance between two consecutive points on a wave (crest to crest)
Simple machine
Light
Materials with poor conductivity
Wavelength
23. A hypothesis is an attempt to answer the question or predict the outcome - - A hypothesis is a possible explanation for a set of observations
Distillation
Develop a hypothesis
Third - class lever
Test experiment - Step 2 - Set up the procedure
24. 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
The periodic table of the elements
positive
Light
Simple machine
25. Explains why objects appear bent as light passes from one transparent object into another - Light travels at different speeds through different objects (faster through air than through water or glass) - Responsible for rainbows and for the splitting
Refraction
Newton's third law of motion
ratio of the length of the sloped surface to the height
Fluorescent lamp/fluorescent tube
26. Mechanical advantage of an inclined plane is the ______________ it spans - The inclined plane allows the same work to be done with a smaller force exerted over a greater distance Example: ramp
ratio of the length of the sloped surface to the height
nucleus
Draw conclusion
Velocity
27. The ability to perform work - _______ transformations result when a change of form takes place - All forms of ________ can be converted into other forms
Energy
Hydrogen
nucleus
Motion
28. Made by combining two or more different materials without a chemical reaction occurring (the objects do not bond together) - They are the product of a mechanical blending or mixing of chemical substances - Either homogeneous or heterogeneous
Simple machine
Mixture
Materials with poor conductivity
Refractive index
29. 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)
groups or families
Measurement
Solids
Scratch hardness
30. A conclusion is a summary and an explanation of the results of an experiment - Does the data support the hypothesis? If not - a new hypothesis can be formed
ratio of the length of the sloped surface to the height
Draw conclusion
Dependent variable (responding variable)
Test experiment - Step 2 - Set up the procedure
31. The terms gravitation and gravity are mostly interchangeable in everyday use - refers specifically to the gravitational force exerted by the earth on objects in its vicinity
Gravity
Test experiment - Step 1 - Select the materials
Iron
Crest
32. 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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33. 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
Law of conservation of energy
Wheel and axle
Hydrogen
Refractive index
34. The rate of change of position with time v = ?d/?t (velocity = change of distance/change of time)
Velocity
Metals in the periodic table
Iron
Reflection
35. This is the one factor that will be intentionally changed during the experiment. Examples include changing the amount of salt that is added to water to determine its freezing point; introducing different soil types in germinating seeds; and changing
pH
Efficiently
Materials with poor conductivity
Independent variable (manipulated variable)
36. Heat can be converted to motion - and motion can produce heat
Third - class lever
number of protons
Thermal energy
Renewable energy
37. The rate of change of velocity with time a = ?v/?t (acceleration = change of velocity/change of time)
Violet
Compounds
Acceleration
south pole
38. The liquid state is __________ between the solid and gaseous states with regard to molecular motion and attractive forces between molecules Examples: water - oil - milk - honey
Materials with high conductivity
intermediate
Test experiment - Step 1 - Select the materials
groups or families
39. 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)
The periodic table of the elements
Distillation
Test experiment - Step 2 - Set up the procedure
Liquids
40. 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
Helium
Scratch hardness
Matter
First - class lever
41. 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
Water
First - class lever
nucleus
Ballast
42. The branches of natural sciences that study the nature and properties of energy and non - living matter
Gravity
Non - metals in the periodic table
Physical sciences
Nonrenewable energy
43. For every action (applied force) - there is an equal and opposite reaction
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44. The sum of the protons and neutrons gives an ______________ for the element
117
pH
average atomic mass
Deposition
45. Transferring of heat by emission and dissemination of waves or particles - Generated when heat from the movement of charged particles within atoms is converted to electromagnetic radiation - Electromagnetic radiation emitted from the surface of an ob
Static electricity
First - class lever
Thermal radiation
positive
46. The shortest wavelength; red is the longest
Violet
Hydrogen
117
Carbon dioxide and methane
47. Symbol: H Protons: 1 Neutrons: 0 Mass: 1
average atomic mass
Solids
The six classical simple machines
Hydrogen
48. 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
presence
Deposition
Nonrenewable energy
Litmus test
49. Height of the bounce of an object dropped o the material - related to elasticity
pressure and temperature
Newton's first law of motion
Rebound hardness
The formation of rust
50. Anything that has mass and occupies space - Everything you see and touch is composed of matter
intermediate
Gravity
Matter
Litmus test