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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. Energy generated from natural sources (such as sunlight - wind - rain - tides - and geothermal heat) which are renewable (naturally replenished)
Density
Renewable energy
Incandescent light bulb
Sublimination
2. 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
Indentation hardness
Test experiment - Step 1 - Select the materials
Pulley/block
Simple machine
3. Symbol: H Protons: 1 Neutrons: 0 Mass: 1
Draw conclusion
Variables that are controlled
Hydrogen
Acceleration
4. 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
Kinetic and potential energy
Metals in the periodic table
Wheel and axle
The periodic table of the elements
5. The mechanical advantage of a wedge is given by the ______________________ - Although a short wedge with a wide angle may do a job faster - it requires more force than a long wedge with a narrow angle
south pole
presence
Ratio of the length of its slope to its width
Interval
6. 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
contrasted
Electric circuit
Three principal operational definitions of hardness
magnetic field
7. 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
Physical changes
Heat conduction/Thermal conduction
Solids
Second - class lever
8. For every action (applied force) - there is an equal and opposite reaction
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9. Protons have a __________ electrical charge - and neutrons have no charge
contrasted
freezing point
Law of reflection
positive
10. Refers to various properties of matter in the solid phase that give it a high resistance to its shape changing when force is applied
Optics
The periodic table of the elements
Hardness
Variables that are controlled
11. 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
magnetic field
Table salt
Transfer of heat
Efficiently
12. The ability to perform work - _______ transformations result when a change of form takes place - All forms of ________ can be converted into other forms
Energy
Materials with high conductivity
Gases
Test experiment - Step 2 - Set up the procedure
13. 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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14. 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
pressure and temperature
chemical symbol
Charles's Law
Atomic number
15. 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
chemical symbol
First - class lever
Table salt
Liquids
16. The north pole of one magnet attracts the ___________ of another - but like poles repel each other - Either pole can attract unmagnetized iron objects
Hardness
Non - metals in the periodic table
Dependent variable (responding variable)
south pole
17. The rate of change of position with time v = ?d/?t (velocity = change of distance/change of time)
Heat conduction/Thermal conduction
Fluorescent lamp/fluorescent tube
Velocity
Mohs' scale of hardness
18. Releases energy when a heavy nucleus splits into smaller fragments - Used in power plants and atomic bombs
Motion
Helium
Deposition
Nuclear fission
19. If the pressure increases - the volume decreases; the reverse is true as well
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20. Temperature scale named after the German physicist Daniel Gabriel Fahrenheit (1686-1736) - who proposed it in 1724 - On this scale - the freezing point of water is 32
117
Fahrenheit (
Electromagnetic radiation
Gases
21. Salt has a ___________ than water and therefore doesn't evaporate with the water
Higher boiling point
Materials with poor conductivity
Newton's third law of motion
number of protons
22. 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
Heat conduction/Thermal conduction
Inclined plane
Gases
Incandescent light bulb
23. Symbol: He Protons: 2 Neutrons: 2 Mass: 4
Helium
Incandescent light bulb
Temperature conversions
Velocity
24. 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
Heat conduction/Thermal conduction
Test experiment - Step 1 - Select the materials
The six classical simple machines
presence
25. A hypothesis is an attempt to answer the question or predict the outcome - - A hypothesis is a possible explanation for a set of observations
Develop a hypothesis
Acid rain
Gases
Three principal operational definitions of hardness
26. Scratch hardness - indentation hardness - and rebound hardness
Three principal operational definitions of hardness
Compounds
Boyle's Law
Mixture
27. The resulting piece of paper or solution with water becomes a ________ (one of the oldest) - used to test materials for acidity
Mohs' scale of hardness
ratio of the length of the sloped surface to the height
Test experiment - Step 1 - Select the materials
pH indicator
28. Lever - Pulley - Inclined plane - Screw - Wedge - Wheel and axle
Charles's Law
Amplitude
Hydrogen
The six classical simple machines
29. Symbol: U Protons: 92 Neutrons: 146 Mass: 238
Matter
Uranium
Variables that are controlled
Three states of matter
30. 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
Oxygen
The six classical simple machines
Second - class lever
Mass
31. 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
Higher boiling point
Distillation
Static electricity
First - class lever
32. 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
Steps in conducting a scientific investigation
Liquids
Test experiment - Step 2 - Set up the procedure
groups or families
33. Height of the bounce of an object dropped o the material - related to elasticity
Thermal energy
Rebound hardness
The periodic table of the elements
Uranium
34. The pitch of a sound depends on how fast the particles of a medium vibrate
Pitch
magnetic field
Current
Helium
35. 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
Acid rain
Velocity
chemical symbol
Chemical changes
36. Obtained by two different means - fission and fusion
Fluorescent lamp/fluorescent tube
Nuclear energy
First - class lever
Litmus
37. The particular state of water is determined by ___________ - the behavior of water at one atmosphere (sea level) - freezing at 0
Gases
pressure and temperature
Inclined plane
Electric circuit
38. 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
Angle of refraction
Wedge
Distillation
Convection
39. Some gases can transition directly to a solid Example: the formation of frost
Distillation
Charles's Law
Angle of incidence
Deposition
40. 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
Nuclear energy
Gravity
Magnetism
The six classical simple machines
41. Formed by the chemical combination of two or more elements in a fixed ratio Example: water
Three principal operational definitions of hardness
Compounds
presence
Deposition
42. 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
Forms of energy
Efficiently
Helium
Wheel and axle
43. The amount of matter in a chemical substance - In everyday usage - is commonly confused with weight
Rebound hardness
Mass
Newton's first law of motion
south pole
44. 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
Newton's first law of motion
Mixture
The formation of rust
45. 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
Scratch hardness
Screw
Third - class lever
Fluorescent lamp/fluorescent tube
46. 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
Solution
First - class lever
Density
groups or families
47. Symbol: Fe Protons: 26 Neutrons: 30 Mass 56
Water
Wedge
Electricity
Iron
48. List the specific materials to be used in the experiment - This allows for replication of the experiment
magnetic field
Test experiment - Step 1 - Select the materials
Variables that are controlled
Distillation
49. 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
Boyle's Law
Variables that are controlled
Water
Refraction
50. 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
Thermal radiation
intermediate
Helium
Distillation
Can you answer 50 questions in 15 minutes?
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