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Test your basic knowledge |
CSET Physical Science 3
Start Test
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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. Results when electrical charges buildup or increase on the surface of a material - here - there is no current flowing as would be found in electrical outlets - When certain materials are rubbed together - electrons can move from one object to the oth
Nuclear energy
Physical properties
Litmus test
Static electricity
2. The resulting piece of paper or solution with water becomes a ________ (one of the oldest) - used to test materials for acidity
Rainbow
Physical properties
pH indicator
117
3. Resistance to plastic (permanent) deformation due to a constant load from a sharp object
Law of conservation of energy
Pitch
Indentation hardness
Litmus
4. 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
Gravity
Steps in conducting a scientific investigation
Chemical elements
Oxygen
5. Anything that has mass and occupies space - Everything you see and touch is composed of matter
Incandescent light bulb
Wheel and axle
Matter
Scratch hardness
6. Turns red under acidic conditions - and turns blue under basic (i.e. - alkaline) conditions
Acid rain
Electricity
Litmus test
Wedge
7. 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
Indentation hardness
Refractive index
nucleus
Metals in the periodic table
8. 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
Test experiment - Step 2 - Set up the procedure
Chemical changes
freezing point
Density
9. Heat can be converted to motion - and motion can produce heat
presence
Pitch
Thermal energy
Simple machine
10. 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
Mechanical advantage
Frequency
Chemical elements
Physical properties
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
magnetic field
Acid rain
Electrons
Test experiment - Step 2 - Set up the procedure
12. The rate of change of position with time v = ?d/?t (velocity = change of distance/change of time)
Fahrenheit (
Velocity
Non - metals in the periodic table
nucleus
13. Symbol: O Protons: 8 Neutrons: 8 Mass: 16
Static electricity
Pitch
Oxygen
Kinetic and potential energy
14. Symbol: H Protons: 1 Neutrons: 0 Mass: 1
Hardness
Chemical elements
Hydrogen
Wedge
15. 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
Optics
pH
First - class lever
16. 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
The formation of rust
Variables that are controlled
Wheel and axle
Refraction
17. Some of the light is reflected - the angle of reflection being equal to the...
Carbon dioxide and methane
Nonrenewable energy
Angle of incidence
Helium
18. A constant change in the location of a body - Described by stating an object's position - velocity and acceleration
Lever
Physical sciences
Develop a hypothesis
Motion
19. For every action (applied force) - there is an equal and opposite reaction
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20. The north pole of one magnet attracts the ___________ of another - but like poles repel each other - Either pole can attract unmagnetized iron objects
Matter
Reflection
presence
south pole
21. For smooth surfaces - the angle at which light is incident on the surface equals the angle at which it is reflected
Develop a hypothesis
Law of reflection
Matter
Newton's second law of motion
22. The top of a wave's 'hill'
Thermal radiation
Temperature conversions
Velocity
Crest
23. Involve one substance changing states (not one substance changing into another) - Typically reversible Example: water - Can change from a gas (water vapor) to a liquid (water) to a solid (ice) - but the water molecules do not change
Renewable energy
Solids
The formation of rust
Physical changes
24. Symbol: He Protons: 2 Neutrons: 2 Mass: 4
Thermal energy
Metals in the periodic table
Helium
Gravity
25. Other indicators of the ________ of an acid are that when acids react with metals - hydrogen gas is released causing bases to feel soapy when touched
Heat conduction/Thermal conduction
Variables that are controlled
Draw conclusion
presence
26. List the specific materials to be used in the experiment - This allows for replication of the experiment
The formation of rust
Test experiment - Step 1 - Select the materials
Fluorescent lamp/fluorescent tube
Light
27. 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
Inclined plane
Physical sciences
Liquids
28. A compound composed of one atom of sodium and one atom of chlorine (NaCl - sodium chloride)
Violet
Develop a hypothesis
Thermal radiation
Table salt
29. Take on the shape of their containers - yet cannot be compressed to any significant extent - The volume is constant unless evaporation is occurring
Liquids
Frequency
Nuclear fusion
Physical sciences
30. Electricity flows easily through materials that conduct electricity - Include metals such as aluminum (Al) - iron (Fe) - nickel (Ni) - silver (Ag) - and gold (Au)
Iron
Inclined plane
Ballast
Materials with high conductivity
31. 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
Crest
Thermal energy
chemical symbol
Compounds
32. 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)
Law of conservation of energy
Efficiently
Test experiment - Step 2 - Set up the procedure
Oxygen
33. 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
Liquids
nucleus
Angle of incidence
Ratio of the length of its slope to its width
34. Temperature scale -0
Celsius (
Three states of matter
Frequency
Nonrenewable energy
35. Formed by the chemical combination of two or more elements in a fixed ratio Example: water
Chemical changes
Compounds
Physical properties
Nuclear fusion
36. Also generates a magnetic field - demonstrating an intimate connection between electricity and magnetism
Refractive index
groups or families
Electric current
presence
37. 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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38. A compressed gas pushes out __________ in all directions
Celsius (
Distillation
Convection
equally
39. After a rainstorm - the air is full of tiny drops of water - Each drop acts as a prism - splitting the light into the colors of the spectrum
Heat conduction/Thermal conduction
Fluorescent lamp/fluorescent tube
Helium
Rainbow
40. 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
Nonrenewable energy
Light
Solids
Heat conduction/Thermal conduction
41. 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
Efficiently
number of protons
Litmus
Sublimination
42. Solar - Chemical - Electrical - Magnetic - Nuclear - Sound - Light - Electromagnetic - Mechanical (motion)
Forms of energy
The periodic table of the elements
Reflection
Solids
43. 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
First - class lever
Distillation
Electric circuit
Nuclear fusion
44. 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
Ratio of the length of its slope to its width
Three principal operational definitions of hardness
Acceleration
Second - class lever
45. Salt has a ___________ than water and therefore doesn't evaporate with the water
Incandescent light bulb
Higher boiling point
Hydrogen
average atomic mass
46. Energy can be neither created nor destroy
pH
Solids
Reflection
Law of conservation of energy
47. As temperature increases (at a fixed pressure) - so does volume Examples: air - helium - steam
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48. Some gases can transition directly to a solid Example: the formation of frost
Thermal energy
south pole
Litmus
Deposition
49. 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
Mechanical advantage
Refraction
Develop a hypothesis
Transfer of heat
50. Made up of molecules with the composition H20 - One _____ molecule is built from two atoms of hydrogen and one atom of oxygen
Water
Weight
Test experiment - Step 3
Electrons
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