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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 top of a wave's 'hill'
Static electricity
Crest
pressure and temperature
Higher boiling point
2. Symbol: H Protons: 1 Neutrons: 0 Mass: 1
Hydrogen
Refractive index
Energy
First - class lever
3. Formed by the chemical combination of two or more elements in a fixed ratio Example: water
Compounds
Static electricity
Inclined plane
Angle of refraction
4. 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
Solids
pH
Thermal energy
Carbon dioxide and methane
5. Symbol: He Protons: 2 Neutrons: 2 Mass: 4
proportional to its mass
Carbon dioxide and methane
Litmus test
Helium
6. Height of the bounce of an object dropped o the material - related to elasticity
Rebound hardness
Current
Sublimination
Temperature conversions
7. Made up of molecules with the composition H20 - One _____ molecule is built from two atoms of hydrogen and one atom of oxygen
equally
Water
pH indicator
Transfer of heat
8. Unlike incandescent lamps - fluorescent lamps always require a ______ to regulate the flow of power through the lamp
Electricity
Ballast
Transfer of heat
Convection
9. 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
Transfer of heat
Draw conclusion
Nuclear fusion
The six classical simple machines
10. 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
Frequency
Incandescent light bulb
Light
Physical changes
11. 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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12. 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
Newton's third law of motion
Kinetic and potential energy
Solution
Wavelength
13. A compound composed of one atom of sodium and one atom of chlorine (NaCl - sodium chloride)
Liquids
Table salt
Wavelength
Crest
14. The beginning of scientific wisdom - The physicist's first reaction to a new idea is to ask: Can it be measured? Can I describe it with numbers?
Wavelength
Measurement
Materials with high conductivity
intermediate
15. A grooved wheel with a rope or other item wrapped around it - used to change the direction of an applied force - change the amount of force - transmit rotational motion - or realize a mechanical advantage in either a linear or a rotational system of
Electrons
Pulley/block
Mohs' scale of hardness
Magnetism
16. 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
Screw
Higher boiling point
Helium
Acceleration
17. 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
positive
Physical properties
Variables that are controlled
Ballast
18. Heat tends to move from a high - temperature region to a low- temperature region - This heat transfer may occur by the mechanisms of conduction - radiation - and convection
intermediate
Transfer of heat
Physical sciences
Higher boiling point
19. Symbol: C Protons: 6 Neutrons: 6 Mass: 12
Rebound hardness
magnetic field
Carbon
Deposition
20. 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
Charles's Law
Gravity
Develop a hypothesis
Law of conservation of energy
21. Composed of only one atom and cannot be separated into different substances except in some instances by radioactive decay or by nuclear reactions
Chemical elements
Mass
Rainbow
Non - metals in the periodic table
22. Take on the shape of their containers - yet cannot be compressed to any significant extent - The volume is constant unless evaporation is occurring
Electric circuit
Density
Matter
Liquids
23. A difference between two temperatures or an uncertainty
Interval
Boyle's Law
Ballast
Electromagnetic radiation
24. Solar - Chemical - Electrical - Magnetic - Nuclear - Sound - Light - Electromagnetic - Mechanical (motion)
Forms of energy
Density
Weight
Deposition
25. The ability to perform work - _______ transformations result when a change of form takes place - All forms of ________ can be converted into other forms
Angle of refraction
Matter
Density
Energy
26. The number of waves produced in a given time
Scratch hardness
Energy
Frequency
Sublimination
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
contrasted
Sublimination
Wedge
Hardness
28. The branches of natural sciences that study the nature and properties of energy and non - living matter
Physical sciences
Water
presence
Gravitation
29. 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
Distillation
Deposition
Heat conduction/Thermal conduction
First - class lever
30. In physics and engineering - it means the strength of the gravitational pull on the object (how heavy it is - measured in newtons)
Mohs' scale of hardness
Refractive index
contrasted
Weight
31. 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
Draw conclusion
Thermal radiation
Magnetism
Non - metals in the periodic table
32. A degree on the Fahrenheit scale is 1/180th of the interval between the __________ and boiling point
Test experiment - Step 1 - Select the materials
freezing point
Incandescent light bulb
nucleus
33. Resistance to fracture or plastic (permanent) deformation due to friction from a sharp object
Scratch hardness
intermediate
Interval
Iron
34. The north pole of one magnet attracts the ___________ of another - but like poles repel each other - Either pole can attract unmagnetized iron objects
positive
south pole
Electric current
Magnetism
35. Heat can be converted to motion - and motion can produce heat
Materials with high conductivity
Water
Thermal energy
Chemical elements
36. 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
Amplitude
Carbon
Gravity
Mechanical advantage
37. Anything that has mass and occupies space - Everything you see and touch is composed of matter
Rebound hardness
Matter
Velocity
Nuclear fusion
38. For smooth surfaces - the angle at which light is incident on the surface equals the angle at which it is reflected
Efficiently
Convection
Compounds
Law of reflection
39. Energy can be neither created nor destroy
Oxygen
Steps in conducting a scientific investigation
Non - metals in the periodic table
Law of conservation of energy
40. The sum of the protons and neutrons gives an ______________ for the element
The six classical simple machines
Liquids
average atomic mass
Materials with high conductivity
41. The shortest wavelength; red is the longest
Hydrogen
Transfer of heat
groups or families
Violet
42. Lever - Pulley - Inclined plane - Screw - Wedge - Wheel and axle
Fluorescent lamp/fluorescent tube
Carbon
The six classical simple machines
Optics
43. Resistance to plastic (permanent) deformation due to a constant load from a sharp object
Convection
Indentation hardness
Temperature conversions
Scratch hardness
44. A wave's height - the distance between its resting position and its crest
Celsius (
Chemical elements
Water
Amplitude
45. 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
Static electricity
Current
Physical changes
Kinetic and potential energy
46. The characteristics that makes up the physical composition of a substance - Include color - form - electrical conductivity - and density
Physical properties
Wavelength
Gravitation
Independent variable (manipulated variable)
47. 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
Newton's first law of motion
Temperature conversions
pH
The six classical simple machines
48. Electricity flows easily through materials that conduct electricity - Include metals such as aluminum (Al) - iron (Fe) - nickel (Ni) - silver (Ag) - and gold (Au)
pH indicator
nucleus
Screw
Materials with high conductivity
49. 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
Variables that are controlled
Steps in conducting a scientific investigation
Compounds
Newton's third law of motion
50. In optics - refraction occurs when light waves travel from a medium with a given refractive index to a medium with another index Example: A ray of light will refract as it enters and leaves glass - assuming there is a change in the refractive index.
Hardness
117
Steps in conducting a scientific investigation
Optics