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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. Also generates a magnetic field - demonstrating an intimate connection between electricity and magnetism
Nuclear fusion
Static electricity
Electric current
Develop a hypothesis
2. 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
Independent variable (manipulated variable)
Solids
Nuclear fusion
presence
3. 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
Litmus test
Draw conclusion
intermediate
Frequency
4. 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
Table salt
presence
Materials with high conductivity
Thermal radiation
5. Height of the bounce of an object dropped o the material - related to elasticity
Variables that are controlled
Test experiment - Step 3
positive
Rebound hardness
6. Resistance to plastic (permanent) deformation due to a constant load from a sharp object
Indentation hardness
The formation of rust
Variables that are controlled
Physical properties
7. 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
Thermal radiation
Higher boiling point
The formation of rust
Carbon dioxide and methane
8. 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
Interval
Static electricity
Current
Angle of refraction
9. 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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10. Resistance to fracture or plastic (permanent) deformation due to friction from a sharp object
pH indicator
Scratch hardness
Test experiment - Step 2 - Set up the procedure
Non - metals in the periodic table
11. A degree on the Fahrenheit scale is 1/180th of the interval between the __________ and boiling point
freezing point
Angle of refraction
average atomic mass
Nuclear fission
12. Solids - liquids - and gases
Three states of matter
Physical sciences
Electric current
Thermal energy
13. Symbol: He Protons: 2 Neutrons: 2 Mass: 4
Helium
Gravity
Refractive index
Mechanical advantage
14. 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
Pulley/block
Distillation
Transfer of heat
Physical properties
15. 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
freezing point
Simple machine
Litmus test
Screw
16. A constant change in the location of a body - Described by stating an object's position - velocity and acceleration
Law of conservation of energy
Oxygen
The periodic table of the elements
Motion
17. Solar - Chemical - Electrical - Magnetic - Nuclear - Sound - Light - Electromagnetic - Mechanical (motion)
Velocity
Forms of energy
Thermal radiation
Uranium
18. The characteristics that makes up the physical composition of a substance - Include color - form - electrical conductivity - and density
presence
contrasted
Physical properties
Screw
19. 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
number of protons
Hardness
Variables that are controlled
Incandescent light bulb
20. The sum of the protons and neutrons gives an ______________ for the element
Electric current
Physical properties
contrasted
average atomic mass
21. 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
Table salt
Angle of incidence
Kinetic and potential energy
Three principal operational definitions of hardness
22. 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
ratio of the length of the sloped surface to the height
The formation of rust
Physical properties
Solids
23. Lever - Pulley - Inclined plane - Screw - Wedge - Wheel and axle
The six classical simple machines
Carbon dioxide and methane
First - class lever
Mass
24. 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
Non - metals in the periodic table
Interval
Ratio of the length of its slope to its width
Newton's first law of motion
25. The pitch of a sound depends on how fast the particles of a medium vibrate
Angle of refraction
Pulley/block
Pitch
117
26. A flat surface whose endpoints are at different heights - resulting in a slope - By moving an object up an ___________ rather than completely vertically - the amount of force required is reduced - at the expense of increasing the distance the object
Second - class lever
Carbon
Inclined plane
Draw conclusion
27. Formed by the chemical combination of two or more elements in a fixed ratio Example: water
Optics
The formation of rust
Electric current
Compounds
28. The distance between two consecutive points on a wave (crest to crest)
Crest
Materials with poor conductivity
Wavelength
Wheel and axle
29. 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
Develop a hypothesis
Transfer of heat
Screw
positive
30. Turns red under acidic conditions - and turns blue under basic (i.e. - alkaline) conditions
Fahrenheit (
Litmus test
Pulley/block
Nuclear energy
31. A difference between two temperatures or an uncertainty
Amplitude
Electromagnetic radiation
Interval
groups or families
32. 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
Motion
positive
Nonrenewable energy
Density
33. 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
Test experiment - Step 2 - Set up the procedure
Incandescent light bulb
Carbon dioxide and methane
Wheel and axle
34. 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
proportional to its mass
Newton's first law of motion
Magnetism
35. Salt has a ___________ than water and therefore doesn't evaporate with the water
Higher boiling point
Charles's Law
Temperature conversions
The formation of rust
36. Symbol: O Protons: 8 Neutrons: 8 Mass: 16
Convection
First - class lever
Uranium
Oxygen
37. Refers to various properties of matter in the solid phase that give it a high resistance to its shape changing when force is applied
Crest
pressure and temperature
Hardness
Higher boiling point
38. The number of waves produced in a given time
Mass
Atomic number
Frequency
Liquids
39. 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
Deposition
equally
Electrons
Simple machine
40. 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
Nuclear fusion
Electromagnetic radiation
Atomic number
Refraction
41. Temperature scale -0
Celsius (
117
Violet
Electric circuit
42. 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
Chemical elements
Second - class lever
Third - class lever
Measurement
43. Protons have a __________ electrical charge - and neutrons have no charge
Angle of refraction
Ratio of the length of its slope to its width
Electricity
positive
44. 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
Mixture
Density
presence
groups or families
45. However - a fluorescent lamp converts electrical power into useful light more __________ than an incandescent lamp; lower energy costs offset the higher initial cost of the lamp
Law of conservation of energy
Draw conclusion
Rebound hardness
Efficiently
46. The north pole of one magnet attracts the ___________ of another - but like poles repel each other - Either pole can attract unmagnetized iron objects
number of protons
south pole
Reflection
intermediate
47. Anything that has mass and occupies space - Everything you see and touch is composed of matter
Renewable energy
Carbon dioxide and methane
Matter
Weight
48. Occurs when light travels only in straight lines - An object is visible because light is reflected from the object into our eyes
Reflection
Third - class lever
Current
Simple machine
49. Scratch hardness - indentation hardness - and rebound hardness
Independent variable (manipulated variable)
groups or families
Rainbow
Three principal operational definitions of hardness
50. Top: Output force (resistance) Middle: Input force (effort) End: Fulcrum Examples: baseball bat - fishing pole - shovel
Incandescent light bulb
Kinetic and potential energy
equally
Third - class lever