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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. 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
Forms of energy
Mechanical advantage
Light
Magnetism
2. Transferring of heat by the circulating motion of particles (in liquid or gas) - Occurs when hot air is less dense than cool air and therefore rises - When the heat moves in a circular pattern - convection currents are formed - Heat can be transferre
Inclined plane
Gravitation
Convection
Three principal operational definitions of hardness
3. 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
Newton's first law of motion
Chemical changes
Test experiment - Step 1 - Select the materials
Rainbow
4. Heat can be converted to motion - and motion can produce heat
Thermal energy
Helium
Weight
The formation of rust
5. For a homogeneous object - density is determined by dividing the mass by the volume (D = M/V) The mass is normally measured with an appropriate scale or balance - The volume may be measured directly (from the geometry of the object) or by the displac
Law of conservation of energy
Density
chemical symbol
Simple machine
6. Some of the light is reflected - the angle of reflection being equal to the...
magnetic field
Angle of incidence
Forms of energy
number of protons
7. Symbol: He Protons: 2 Neutrons: 2 Mass: 4
Helium
The formation of rust
Wavelength
contrasted
8. The particular state of water is determined by ___________ - the behavior of water at one atmosphere (sea level) - freezing at 0
The periodic table of the elements
pressure and temperature
Crest
chemical symbol
9. 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
Law of conservation of energy
Optics
The periodic table of the elements
Current
10. Solar - Chemical - Electrical - Magnetic - Nuclear - Sound - Light - Electromagnetic - Mechanical (motion)
Forms of energy
Gravitation
Measurement
Celsius (
11. 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
Nuclear fusion
Reflection
Ballast
Materials with high conductivity
12. A compressed gas pushes out __________ in all directions
Mechanical advantage
Table salt
Electricity
equally
13. The resulting piece of paper or solution with water becomes a ________ (one of the oldest) - used to test materials for acidity
Dependent variable (responding variable)
nucleus
Measurement
pH indicator
14. 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
Acceleration
Test experiment - Step 3
presence
Law of conservation of energy
15. Relies on the the first law - The acceleration of an object is proportional to the force applied (the more force - the more acceleration)
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16. 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
Wavelength
The periodic table of the elements
Temperature conversions
Dependent variable (responding variable)
17. A hypothesis is an attempt to answer the question or predict the outcome - - A hypothesis is a possible explanation for a set of observations
Charles's Law
Frequency
Boyle's Law
Develop a hypothesis
18. Major greenhouse gases
Distillation
Carbon dioxide and methane
Helium
Test experiment - Step 2 - Set up the procedure
19. 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
The formation of rust
Mixture
Gravity
Dependent variable (responding variable)
20. 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
Materials with high conductivity
Charles's Law
nucleus
Litmus
21. Unlike incandescent lamps - fluorescent lamps always require a ______ to regulate the flow of power through the lamp
Refraction
Amplitude
Energy
Ballast
22. The portion of the light that crosses the boundary is - however - deflected in another direction - and the ______ does not equal the angle of incidence
Angle of refraction
Magnetism
Crest
Newton's first law of motion
23. A wave's height - the distance between its resting position and its crest
Amplitude
Heat conduction/Thermal conduction
Convection
proportional to its mass
24. 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
Matter
Reflection
Angle of incidence
Inclined plane
25. 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
Static electricity
pH
Dependent variable (responding variable)
Non - metals in the periodic table
26. The distance between two consecutive points on a wave (crest to crest)
Helium
Weight
Nuclear energy
Wavelength
27. Formed by the chemical combination of two or more elements in a fixed ratio Example: water
Physical sciences
freezing point
The six classical simple machines
Compounds
28. Scratch hardness - indentation hardness - and rebound hardness
Static electricity
Three principal operational definitions of hardness
Physical properties
Deposition
29. 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
Wheel and axle
The periodic table of the elements
Metals in the periodic table
Steps in conducting a scientific investigation
30. The shortest wavelength; red is the longest
Newton's third law of motion
freezing point
Violet
Angle of refraction
31. 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
Violet
Helium
Chemical changes
contrasted
32. A compound composed of one atom of sodium and one atom of chlorine (NaCl - sodium chloride)
Table salt
Sublimination
Acid rain
Acceleration
33. The top of a wave's 'hill'
Acceleration
Crest
Draw conclusion
Materials with high conductivity
34. 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
Test experiment - Step 3
Wedge
pH indicator
chemical symbol
35. Hard matter is ______ with soft matter
Water
Distillation
Acid rain
contrasted
36. Resistance to fracture or plastic (permanent) deformation due to friction from a sharp object
Scratch hardness
Thermal radiation
Magnetism
Frequency
37. 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
Law of reflection
Fahrenheit (
Newton's second law of motion
38. 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
freezing point
Third - class lever
Simple machine
Density
39. 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)
Hardness
Mechanical advantage
Law of conservation of energy
groups or families
40. The amount of matter in a chemical substance - In everyday usage - is commonly confused with weight
Newton's first law of motion
Draw conclusion
Table salt
Mass
41. Salt has a ___________ than water and therefore doesn't evaporate with the water
groups or families
Screw
Higher boiling point
Interval
42. 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
Energy
Forms of energy
Law of conservation of energy
Variables that are controlled
43. 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
Rebound hardness
117
Mechanical advantage
First - class lever
44. 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
Water
Distillation
Light
45. Energy generated from natural sources (such as sunlight - wind - rain - tides - and geothermal heat) which are renewable (naturally replenished)
Inclined plane
Nuclear energy
Renewable energy
contrasted
46. Occurs when light travels only in straight lines - An object is visible because light is reflected from the object into our eyes
Amplitude
Electrons
Indentation hardness
Reflection
47. A water - soluble mixture of different dyes extracted from lichens - It is often absorbed onto filter paper
Rebound hardness
Litmus
Dependent variable (responding variable)
Thermal energy
48. 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
Sublimination
Solution
Thermal energy
groups or families
49. For every action (applied force) - there is an equal and opposite reaction
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50. A source of electric light that works by incandescence - An electric current passes through a thin filament - heating it until it produces light - The enclosing glass bulb prevents the oxygen in the air from reaching the hot filament - which otherwis
Refraction
Chemical changes
Density
Incandescent light bulb