物理
运动学、受力分析、电学与方程推导。
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a 0.2 - kg steel ball is dropped straight down onto a hard, horizontal …
C. \(4\ N\cdot s\)
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17 multiple choice 5 points a scientist will repeat an investigation ma…
17. Repetition ensures the accuracy of obtained data. 18. Some types of plants reduce soil erosion more than others.
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14 multiple choice 5 points what is the result of the radioactive decay…
14. The nuclei become more stable. 15. stronger and has a shorter range
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sc.8.n.4.1 - science and decision 1. which of the following best illust…
1. C. The government using climate data to develop environmental policies 2. B. A neighborhood using water quality tests to decide on filtration systems 3. B. By guiding state law…
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the action of swimmers using their arms to propel themselves through th…
Newton's third law of motion
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11 multiple choice 5 points gravity is responsible for the orbits of th…
Orbits of the planets around the Sun. # 12
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what is the main function of a tendon? * a) connects bone to bone and p…
- For the tendon question: B. Connects muscle to bone and pulls to create movement - For the ligament question: B. Connects bone to bone and stabilizes joints - For the muscle que…
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8 multiple choice 5 points what property of electromagnetic waves makes…
- **Question 8**: Electromagnetic waves can travel through a vacuum. - **Question 9**: reflected - **Question 10**: sound waves
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which of the following electromagnets would have the greatest magnetic …
The electromagnet with the most wire turns around the core (the last option in the given diagrams) would have the greatest magnetic field.
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analyze the graph of two liquids. which statement best describes and ex…
Liquid B would sink to the bottom, because it has a slope (and density) of $0.709\space g/mL$
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5 multiple choice 5 points which of the following electromagnetic radia…
5. ultraviolet 6. sound
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4 multiple choice 5 points the cartoon below shows a humorous view of a…
D. A body in motion will remain in motion unless influenced by an outside force.
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3 multiple choice 5 points this graph shows the motion of an animal. di…
between second 2 and second 3
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hot object the water is continuously stirred while the hot object is im…
The third graph (where the object's temperature curve has a decreasing slope and the water's temperature curve has an increasing slope) is the correct one.
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electricity what is the voltage v of an electronic circuit with a curre…
A) \(8 + j\)
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10 wind is caused by which type of heat transfer? radiation color green…
10. Convection (Color YELLOW) 11. Conduction (Color ORANGE) 12. Putting a bag in the microwave (Color LIGHT BLUE)
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10 true or false 2 points the attachment that moves is the insertion, a…
True
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6 your spoon getting warm sitting in a cup of hot cocoa is an example o…
6. Conduction 7. Radiation 8. Radiation 9. Conduction
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12 true or false 2 points muscles can push and pull. true false previous
B. False
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2 which type of heat transfer creates currents & cannot occur in solids…
2. Convection Color BLACK 3. Radiation Color BROWN 4. Conduction Color LIGHT BLUE 5. Convection Color GREEN
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14 multiple choice 2 points the part of the muscle that attaches to bon…
origin
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which of the following best shows the ways that energy from the sun and…
The first option (Energy from the Sun: evaporation of water, melting of snow and ice; Force of Gravity: surface runoff, precipitation) is correct.
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9 true or false 2 points muscles have one attachment and cross at least…
False
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9 multiple choice 2 points the graph shown represents the relationship …
liquid
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4 multiple choice 2 points when one end of a short metal bar is heated,…
- Question 4: B. conduction - Question 5: B. conduction - Question 6: A. the mass of the water
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2 multiple choice 2 points which statement best describes how energy tr…
- **Question 2**: B. During radiation, electromagnetic waves transfer heat and light energy which affects the air temperature. - **Question 3**: B. convection
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what does the law of magnetic attraction state? opposites attract. the …
Opposites attract.
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what is the cause of hydroplaning? * a layer of water between the tires…
1. A. A layer of water between the tires and the road 2. Slow down in advance of standing water, Properly maintain your tires and tread, Drive in tracks left by vehicles in front …
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magnetic materials are materials affected by what element? iron copper …
Iron
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which of these materials is magnetic? cobalt lead gold
cobalt
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what is a magnet? any material that attracts iron any material that rep…
any material that attracts iron
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one bottle of beer, one glass of wine and one shot of liquor are equiva…
- First question: True - Second question:.08
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which class of hard hats will protect you from electrical shock? select…
B. Class E, C. Class G
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name the green muscle in the picture © www.kenthub.com triceps brachii …
Triceps Brachii
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quipment (manufacturing) ____ is designed to protect you from injuries …
Personal Protective Equipment (PPE)
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particles tend to speed up when what happens to them? particle motion a…
They are heated.
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what happens to most materials when they freeze? they expand. their vol…
They contract.
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how do fluorescent light bulbs produce light? radioactivity heating a g…
heating a gas
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what are typically good conductors of heat? gases non - metals metals
metals
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gabe will need head protection against falling objects and electrical s…
No, he needs an OSHA - approved head protection option, such as a safety helmet.
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what is the best definition of an insulator? an insulator lets heat mov…
An insulator prevents heat from traveling through it.
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what is the primary way alcohol intoxication is measured? * blood alcoh…
First question: Blood Alcohol Concentration (BAC). Second question: Gender, Body Weight, Tolerance, Size of the drink, Food consumed, Time spent drinking.
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which type of heat transfer does not require a medium? radiation convec…
Radiation
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what is the least efficient lightbulb? fluorescent lights incandescent …
incandescent lights
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what do we call heat transfer by the movement of currents in fluids? co…
Convection
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convection occurs in liquids and gases. what do we call these two types…
fluids
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what is the most efficient lightbulb? led lights incandescent lights fl…
LED lights
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which of these is an example of conduction? you burn your feet on the h…
You burn your feet on the hot sidewalk.
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what happens during conduction? heat is transferred from warmer objects…
Heat is transferred from warmer objects to cooler objects by direct contact.
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what is absolute zero? the theoretical highest temperature the theoreti…
The theoretical lowest temperature.
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what term is used when heat is transferred from one piece of matter to …
equilibrium
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choose the correct answer. how do conventional incandescent light bulbs…
by electric current and resistance
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rank the types of light bulb from least efficient to most efficient. 1.…
Incandescent light bulb, fluorescent light bulb, LED light bulb
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conventional incandescent light bulbs work by sending electric currents…
Resistant
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bell work 9/8/25: authors use what are called rhetorical appeals to app…
Ethos - appeals to an author's credibility and reader's right - wrong sense (builds trust). Logos - appeals to reader's logic (facts). Pathos - appeals to reader's emotion (makes …
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what are 3 types of aggressive driving behaviors?* verbal epic quiet em…
- For the first question: Verbal, Emotional (assuming another common type like Physical is missing in the options but based on given, these two are correct from the checked ones).…
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3. which one is the daughter? 4. use the graph to find the ages of ro h…
25000 years
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marie works for the electric company. she earns $10 per hour working 40…
A. $550
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when a driver uses their vehicle or a weapon to threaten or cause harm …
For the first question: Road rage. For the second question: Verbal, Emotional.
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how should pets travel? * unrestrained in crates, in safety restraints,…
- First question: In crates, in safety restraints, or a pet car seat - Second question: All of the above
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10 multiple choice 1 point base your answer to the following question o…
divergence of the African Plate and the South American Plate
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8 multiple choice 1 point the convergence of two continental plates wou…
C. folded mountains.
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you can tell that the oldest rocks are at the bottom of an undisturbed …
superposition.
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which cross section shows the inferred movement of material in the asth…
The second option (where arrows go from the center outwards horizontally after rising) is the correct cross - section for the inferred movement of material in the asthenosphere be…
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what force causes a car to accelerate forward? write the force, includi…
The force is the frictional force. It comes from the road (as a reaction to the force the car's wheels exert on the road). The car (its wheels) feels this force.
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5 multiple choice 1 point the youngest rocks on the ocean floor are typ…
- Question 5: a mid - ocean ridge - Question 6: 1
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which type of crustal plate boundary is shown in this diagram? divergen…
divergent
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3 multiple choice 1 point most of earth is covered by land. water. tree…
water.
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2 multiple choice 1 point base your answer(s) to the following question…
C
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newtons 3rd law phenomena explanation directions: what is the force tha…
1. For every action, there is an equal and opposite reaction. 2. Road 3. Tires 4. (Since no visual is provided for drawing the arrow, assume the car is moving forward as per the g…
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1 multiple choice 1 point the photograph below shows the east african r…
divergence of continental crust
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choose the correct answer for the question. when finished, select submi…
All of the above are functions of the BPP sensor.
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how does the useful energy output from a system (making electricity by …
Useful energy is always less than energy input.
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electromagnetic waves require a medium through which to travel
False
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in energy efficiency calculations, where is most of the energy lost? to…
to the environment, as heat
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energy output + energy input = energy efficiency energy efficiency × 10…
15%
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which waves can increase the risk of cancer? radio and microwaves ultra…
Ultraviolet and Gamma
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energy output ÷ energy input = energy efficiency energy efficiency × 10…
35%
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electromagnetic waves are a special type of transverse wave longitudina…
Transverse wave
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energy output = 25 units energy input = 100 units energy efficiency = 0…
\(0.25\)
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lasers are pointed at different containers filled with water, oil, and …
Light waves move at different speeds through different materials
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based on your notes what are the main biomes across the world? coastal …
Grasslands (tropical & temperate), Tundra, Taiga, Desert, Temperate deciduous forest, Tropical Rainforest, Chaparral (Shrubland)
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radiation is the transfer of energy by electromagnetic waves a distrubr…
The transfer of energy by electromagnetic waves.
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multiple answer 3 points which of the following are true about the trop…
They have low temperatures and high rainfall. They receive the most direct sunlight year round.
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true or false 1 point areas with low rainfall will have short and small…
True
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which ems wave has the longest wavelength (building - sized) and is use…
Radio Waves
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what conclusion can you make about electromagnetic radiation from this …
Some gamma rays can have the same frequency as X - rays.
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which statement accurately compares a radio wave and an infrared wave? …
B. A radio wave has a longer wavelength and a lower frequency
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questions 1 through 3 refer to the following. summary of mean water qua…
D. Nitrate
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light waves travel at different speeds through different media. which l…
solids → liquids → gases
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introduction to sustainability quiz questions 1 through 3 refer to the …
D. Total volume of rainfall
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which ems wave has a wavelength equal to the size of a needle point and…
Infrared
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which ems wave has a wavelength equal to the size of a needle point and…
Infrared
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which ems wave has a wavelength equal to the size of a needle point and…
Infrared
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question 9. which of the following was a significant impact of the dawe…
B. Loss of tribal land and cultural erosion due to forced assimilation policies
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questions 1 through 3 refer to the following. a persons ecological foot…
D. Goods and services
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which wave has the longest wavelength?
Radio
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which ems wave has a wavelength equal to the size of a microorganism an…
Visible
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which ems wave has a wavelength equal to the size of a microorganism an…
Visible
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which ems wave has a wavelength equal to the size of a fly and is used …
Microwaves