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Test your basic knowledge |
CSET Physical Science 3
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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. Displayed by permanent magnets and around electric currents
Litmus
Magnetism
Weight
Distillation
2. Heat can be converted to motion - and motion can produce heat
Distillation
Thermal energy
Hydrogen
Draw conclusion
3. 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
Mechanical advantage
117
Angle of refraction
Chemical reactions
4. Symbol: C Protons: 6 Neutrons: 6 Mass: 12
positive
Develop a hypothesis
Carbon
Wavelength
5. 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
Kinetic and potential energy
Law of conservation of energy
pH indicator
Newton's second law of motion
6. If the pressure increases - the volume decreases; the reverse is true as well
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7. As temperature increases (at a fixed pressure) - so does volume Examples: air - helium - steam
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8. Hard matter is ______ with soft matter
Fluorescent lamp/fluorescent tube
Light
Thermal radiation
contrasted
9. The law of inertia - Without outside forces (such as gravity or friction) - an object at rest will remain at rest - while an object in motion will never stop or deviate from its course
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10. The branches of natural sciences that study the nature and properties of energy and non - living matter
Newton's second law of motion
Physical sciences
Water
Mixture
11. The top of a wave's 'hill'
Motion
Iron
Crest
positive
12. 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
chemical symbol
Physical properties
ratio of the length of the sloped surface to the height
south pole
13. In each element's square - the ________ is in the middle - the atomic weight is usually directly below the symbol - the atomic number is usually shown at the top of the square
Physical sciences
chemical symbol
Charles's Law
Litmus test
14. Formed by the chemical combination of two or more elements in a fixed ratio Example: water
Compounds
average atomic mass
Screw
Nuclear fission
15. In everyday situations - the weight of an object is ____________ - which usually makes it acceptable to use the same word for both concepts
Efficiently
proportional to its mass
Electric circuit
groups or families
16. Unlike incandescent lamps - fluorescent lamps always require a ______ to regulate the flow of power through the lamp
Inclined plane
Fluorescent lamp/fluorescent tube
Light
Ballast
17. The resulting piece of paper or solution with water becomes a ________ (one of the oldest) - used to test materials for acidity
pH indicator
Mass
Carbon dioxide and methane
Solids
18. Symbol: O Protons: 8 Neutrons: 8 Mass: 16
Law of conservation of energy
Oxygen
Acid rain
Newton's third law of motion
19. Also generates a magnetic field - demonstrating an intimate connection between electricity and magnetism
Electric current
Screw
Litmus test
Oxygen
20. Solids - liquids - and gases
Thermal energy
Wheel and axle
Three states of matter
Electromagnetic radiation
21. 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
Inclined plane
Materials with poor conductivity
Develop a hypothesis
Solution
22. The burning of coal also contributes to the formation of...
Acid rain
Pulley/block
Density
Light
23. A measure of the acidity or basicity of a solution - The ____ scale is not an absolute scale; it is relative to a set of standard solutions whose pH is established by international agreement - these measurements are important for medicine - biology -
Static electricity
Second - class lever
Nuclear fission
pH
24. The rate of change of velocity with time a = ?v/?t (acceleration = change of velocity/change of time)
Renewable energy
Acceleration
Oxygen
Convection
25. 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
Gravitation
Sublimination
positive
Fluorescent lamp/fluorescent tube
26. Elements are assigned atomic numbers equal to the __________ in the nucleus of their atoms - Each element has a different number of protons
Matter
number of protons
Transfer of heat
intermediate
27. Seems to travel in perfectly straight lines as rays - The direction of a ray changes at the interface between two transparent materials - like air and water
Light
chemical symbol
Chemical reactions
Higher boiling point
28. Symbol: H Protons: 1 Neutrons: 0 Mass: 1
Wedge
Hydrogen
Celsius (
Physical changes
29. Some of the light is reflected - the angle of reflection being equal to the...
Convection
Angle of incidence
groups or families
Boyle's Law
30. 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
Chemical changes
Current
Draw conclusion
Celsius (
31. Expand to fill any available space - a compressible fluid - with its volume determined by the pressure and temperature of the environment
south pole
Gases
Mass
Wedge
32. Major greenhouse gases
Rebound hardness
Carbon dioxide and methane
Amplitude
proportional to its mass
33. 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
ratio of the length of the sloped surface to the height
Law of conservation of energy
Physical changes
Electric circuit
34. Scratch hardness - indentation hardness - and rebound hardness
Angle of refraction
The periodic table of the elements
Violet
Three principal operational definitions of hardness
35. Occurs when light travels only in straight lines - An object is visible because light is reflected from the object into our eyes
Weight
Transfer of heat
Wedge
Reflection
36. Lever - Pulley - Inclined plane - Screw - Wedge - Wheel and axle
Gases
Acid rain
The six classical simple machines
Solution
37. 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
First - class lever
Non - metals in the periodic table
Angle of refraction
Helium
38. For every action (applied force) - there is an equal and opposite reaction
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39. The shortest wavelength; red is the longest
presence
Violet
Frequency
Indentation hardness
40. A wave's height - the distance between its resting position and its crest
Pulley/block
Amplitude
Variables that are controlled
number of protons
41. 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
Inclined plane
Water
Refractive index
Temperature conversions
42. Designed to separate substances in a liquid through vaporization - Usually carried out in an apparatus called a still - which requires a boiler - a condenser - and a receiver Example: Purify ocean water
Distillation
Scratch hardness
117
Rainbow
43. The rate of change of position with time v = ?d/?t (velocity = change of distance/change of time)
Efficiently
Variables that are controlled
Wedge
Velocity
44. Releases energy when a heavy nucleus splits into smaller fragments - Used in power plants and atomic bombs
Nuclear fission
chemical symbol
Test experiment - Step 2 - Set up the procedure
Inclined plane
45. Symbol: U Protons: 92 Neutrons: 146 Mass: 238
magnetic field
Dependent variable (responding variable)
Crest
Uranium
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
Gases
Hardness
Deposition
nucleus
47. Take on the shape of their containers - yet cannot be compressed to any significant extent - The volume is constant unless evaporation is occurring
Liquids
Angle of refraction
Non - metals in the periodic table
Ballast
48. 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
Wedge
Chemical reactions
freezing point
Interval
49. Symbol: He Protons: 2 Neutrons: 2 Mass: 4
Gravity
Helium
Crest
Angle of incidence
50. Form a question (state the problem) - A scientific question is one that can be answered on the basis of evidence and that can be measured - The question often asks - 'What effect will something have
Lever
Steps in conducting a scientific investigation
Independent variable (manipulated variable)
Pitch
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