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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 pitch of a sound depends on how fast the particles of a medium vibrate
Hardness
Nuclear energy
Fahrenheit (
Pitch
2. As temperature increases (at a fixed pressure) - so does volume Examples: air - helium - steam
3. 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
Crest
Solution
Charles's Law
117
4. A first - class lever - In its simplest form it consists of a rod attached to a wheel so that their movements are coupled when one of the parts is turned
Wheel and axle
Heat conduction/Thermal conduction
Measurement
Third - class lever
5. Also generates a magnetic field - demonstrating an intimate connection between electricity and magnetism
Wheel and axle
Solids
Electric current
Helium
6. Are inclined planes - Can convert a rotational force (torque) to a linear force - and vice versa - The ratio of threading determines the mechanical advantage of the machine - More threading increases the mechanical advantage
Charles's Law
Test experiment - Step 1 - Select the materials
Energy
Screw
7. Solar - Chemical - Electrical - Magnetic - Nuclear - Sound - Light - Electromagnetic - Mechanical (motion)
Forms of energy
Compounds
Hydrogen
Physical changes
8. 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
Electricity
Energy
Gravitation
Test experiment - Step 2 - Set up the procedure
9. 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)
Incandescent light bulb
number of protons
groups or families
Ratio of the length of its slope to its width
10. 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
Mass
117
Angle of refraction
Uranium
11. Move around the nucleus in electron clouds - have a negative charge - and they are attracted to the positively charged protons in the nucleus - This attraction keeps the electrons in orbit around the nucleus
Electrons
Non - metals in the periodic table
Atomic number
Matter
12. Show the number of molecules or formula units of the reactants and products - Example: nitrous oxide is a colorless - odorless gas that causes mild hysteria when inhaled - hence the name laughing gas; it is prepared by heating ammonium nitrate crysta
Mass
Chemical reactions
Wedge
Higher boiling point
13. 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
Indentation hardness
Materials with high conductivity
Convection
Refractive index
14. Formed by the chemical combination of two or more elements in a fixed ratio Example: water
nucleus
Uranium
Wedge
Compounds
15. 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
Three states of matter
contrasted
Independent variable (manipulated variable)
Measurement
16. The ability to perform work - _______ transformations result when a change of form takes place - All forms of ________ can be converted into other forms
groups or families
Energy
Develop a hypothesis
Newton's second law of motion
17. In physics and engineering - it means the strength of the gravitational pull on the object (how heavy it is - measured in newtons)
Newton's first law of motion
Rainbow
Second - class lever
Weight
18. Temperature scale -0
Gravitation
Celsius (
Matter
Boyle's Law
19. A constant change in the location of a body - Described by stating an object's position - velocity and acceleration
Compounds
Second - class lever
Indentation hardness
Motion
20. A degree on the Fahrenheit scale is 1/180th of the interval between the __________ and boiling point
Newton's first law of motion
Electric current
Second - class lever
freezing point
21. A compressed gas pushes out __________ in all directions
Physical sciences
Convection
Nuclear energy
equally
22. A wave's height - the distance between its resting position and its crest
Celsius (
pressure and temperature
Distillation
Amplitude
23. Anything that has mass and occupies space - Everything you see and touch is composed of matter
Forms of energy
Matter
Compounds
Chemical changes
24. The top of a wave's 'hill'
Velocity
Iron
Crest
Hydrogen
25. Electricity flows easily through materials that conduct electricity - Include metals such as aluminum (Al) - iron (Fe) - nickel (Ni) - silver (Ag) - and gold (Au)
Materials with high conductivity
Law of reflection
Simple machine
Gravity
26. The number of waves produced in a given time
Frequency
Third - class lever
Law of reflection
Develop a hypothesis
27. 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
Rainbow
First - class lever
Indentation hardness
Kinetic and potential energy
28. Hard matter is ______ with soft matter
Interval
Third - class lever
contrasted
Variables that are controlled
29. Solids - liquids - and gases
pressure and temperature
Thermal energy
Three states of matter
Refraction
30. 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)
Measurement
Carbon dioxide and methane
Electric circuit
Test experiment - Step 2 - Set up the procedure
31. Symbol: Fe Protons: 26 Neutrons: 30 Mass 56
Iron
pH
Ballast
Newton's first law of motion
32. The rate of change of position with time v = ?d/?t (velocity = change of distance/change of time)
Velocity
Convection
Litmus test
nucleus
33. Elements are assigned atomic numbers equal to the __________ in the nucleus of their atoms - Each element has a different number of protons
Second - class lever
number of protons
Uranium
Thermal radiation
34. Multiply force but do not change the direction of the input force End: Fulcrum Middle: Output force Other end: Input force Examples: wheelbarrows - baby strollers - bottle openers
Inclined plane
Second - class lever
magnetic field
Pulley/block
35. When the electrons flow in one direction - the flowing electricity is referred to as current - An electric current is simply a flow of electrons through a wire
Second - class lever
Rebound hardness
Current
average atomic mass
36. Expand to fill any available space - a compressible fluid - with its volume determined by the pressure and temperature of the environment
Thermal radiation
Ratio of the length of its slope to its width
Gases
Table salt
37. Composed of only one atom and cannot be separated into different substances except in some instances by radioactive decay or by nuclear reactions
Gases
Pitch
Current
Chemical elements
38. The distance between two consecutive points on a wave (crest to crest)
Distillation
Violet
Wavelength
Measurement
39. Displayed by permanent magnets and around electric currents
Wavelength
The six classical simple machines
Iron
Magnetism
40. Symbol: C Protons: 6 Neutrons: 6 Mass: 12
Carbon
Density
Gravitation
Physical changes
41. Height of the bounce of an object dropped o the material - related to elasticity
presence
Angle of refraction
Physical properties
Rebound hardness
42. Refers to various properties of matter in the solid phase that give it a high resistance to its shape changing when force is applied
Hardness
pH indicator
Lever
Amplitude
43. These are the factors that are kept exactly the same in an experiment. In an experiment on plant growth - the variables could include amount of sunlight - type of soil - amount of water - and type of plant. Only one factor at a time is changed - whil
Convection
average atomic mass
Variables that are controlled
Velocity
44. Energy can be neither created nor destroy
Forms of energy
Law of conservation of energy
Chemical elements
Wedge
45. Opposite process of nuclear fission - Yields energy when very light nuclei unite to a heavier nucleus - Stars (including the sun) derive their energy from nuclear fusion
Nuclear fusion
Newton's third law of motion
Third - class lever
Table salt
46. Transition of heat through a medium - From a region of higher temperature to a region of lower temperature - Heat energy is transferred from one material to another by direct contact - Metals are good conductors of heat
Incandescent light bulb
Newton's second law of motion
Heat conduction/Thermal conduction
Distillation
47. Makes it possible for some elements and compounds to transition from a solid to gas phase without becoming a liquid Example: a block of dry ice (CO2) - which will turn into a gas at room temperature
Variables that are controlled
Second - class lever
Sublimination
Current
48. 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
Newton's first law of motion
Sublimination
Kinetic and potential energy
Wedge
49. 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
Interval
Amplitude
Lever
Electric circuit
50. Symbol: He Protons: 2 Neutrons: 2 Mass: 4
Light
Three principal operational definitions of hardness
Helium
Electrons