物理
运动学、受力分析、电学与方程推导。
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a car slams on its brakes, coming to a complete stop in 4.0 s. the car …
-15 mi/h/s, S
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select the correct answer. which action is the best example of muscular…
D. lifting a heavy box into a car
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pretest: improving performance 12 select the correct answer. hamson is …
A. agility
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what is an acute injury? gradual onset, but also has long-term effects.…
B. A sudden injury where it will be painful but will heal shortly.
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a car slams on its brakes, coming to a complete stop in 4.0 s. the car …
-15
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a visual artist is someone who ______ a. captures the meaning and impor…
A. captures the meaning and importance of a subject through visual representation instead of words.
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select the correct answer. how does participating in an impact exercise…
D. It increases your bone density.
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a rocket blasts off. in 10.0 seconds it is at 10,000 ft, travelling at …
528 ft/s² (corresponding to the option "528 ft/s²")
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select the correct answer. select the correct answer. what is the great…
D. It increases blood flow throughout the body.
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while traveling south on an expressway, a car traveling 60 mph (miles p…
The acceleration is \(-150\) \( \text{mi/h}^2 \) with direction \( \text{N} \) (North). So the filled values are \( a = - 150\) \( \text{mi/h}^2 \) and direction \( \text{N} \).
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select the correct answer. what is weight training? a. a noncompetitive…
D. a noncompetitive method of training to improve muscular strength and endurance
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athletes can decrease their chance of injury by stretching. when should…
D. They should stretch after their warm up and after their main exercise.
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select the correct answer. what is the universally accepted standard of…
D. There is no absolute measure of flexibility.
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while travelling south on an expressway, a car travelling 60 mph (miles…
-150
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pretest: improving performance select the correct answer. bar chart tit…
A. More adults reported leading an inactive lifestyle and living with obesity when compared to other risk factors.
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3 select the correct answer. a joint produces movement when its angle d…
A. flexion
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question 10 10/10 why is it important to understand how earth systems i…
A. To make informed decisions about policies and actions
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which two arrows represent processes in the rock cycle that require hea…
The two processes (represented by red arrows) are: 1. Sedimentary rocks to metamorphic rocks (via metamorphism, needs heat/pressure). 2. Igneous rocks to metamorphic rocks (via me…
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if a car goes along a straight road heading east and speeds up from 45 …
\( a = 3\space \text{ft/s}^2 \) (direction: E)
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experience. warming the body up before doing a workout will help with w…
A. Prevent injuries during the workout
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select the correct answer. an athlete wants to test her physical endura…
B. how long the athlete can sustain the activity
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what is the mission of the thompson earth systems institute (tesi)? to …
A. To advance communication and education of Earth Systems science
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1 select the correct answer. you notice soreness in your muscles. how c…
C. Stretch your muscles by doing a few yoga poses.
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if a car goes along a straight road heading east and speeds up from 45 …
\( 3 \)
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8/10 how can human activities impact the geosphere? by producing oxygen…
C. By increasing erosion
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select the correct answer. what is the primary way that metamorphic roc…
D. Existing rocks join together under high heat and pressure.
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2 which of the following best describes the \push-pull\ model of migrat…
C. Distinction between factors that cause people to leave their birth country and take residence in another country (assuming the options are labeled A, B, C, D in order, with thi…
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which is the correct formula for straight-line acceleration? ○ ( a = \f…
$a=\frac{\overrightarrow{\Delta v}}{\Delta t}$ (the fourth option)
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6. the nfl is trying to crack down on the ______ of fans at 49ers/raide…
C. belligerence ### Question 7
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the rate at which velocity changes with respect to a change in time is …
A. acceleration
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drag the tiles to the correct boxes to complete the pairs match each ty…
- intrusive igneous rock → cooling magma - extrusive igneous rock → cooling lava - sedimentary rock → erosion and deposition - metamorphic rock → pressure and heat
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which of the following is not a primary cause of eroding rock? a. movin…
C. animal habitation
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select the correct answer. which type of rock is formed from cooling mo…
A. igneous
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question 24 1 pts the d-ring or support point of a safety harness shoul…
B. in the middle of the back (assuming the option "in the middle of the back" is option B; if the numbering is different, adjust the identifier but the text remains "in the middle…
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why is earth systems science considered interdisciplinary? it focuses o…
B. It combines multiple scientific disciplines to understand Earth as a whole
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which of these methods of waste management is most likely to release he…
B. Burning in an incinerator
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5/10 what is the anthroposphere concerned with? scroll more magnetic fi…
C. Human interactions (assuming the orange option is labeled C; if labels are A, B, C, D with A: Magnetic fields, B: Solar system, C: Human interactions, D: Water cycle, then the …
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what is one way intensive agricultural practices contribute to climate …
B. Certain methods of plowing release greenhouse gases.
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question 22 1 pts safety ropes that do not have shock absorbing functio…
C. Position
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which energy source contributes the most to climate change? a. geotherm…
C. Coal
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origins of the universe quick check which describes nuclear fusion? (1 …
Item 2. starts when two atoms slam together to form one, heavier atom
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which energy source contributes least to global warming? a. geothermal …
A. Geothermal
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which of the following is expected to decrease due to climate change? a…
A. Freshwater
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what happened only a few minutes after the first plane hit the north to…
B. Police, firefighters and EMTs were sent to the scene.
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origins of the universe quick check which describes nuclear fission? (1…
A. starts when a neutron slams into an atom, causing the larger atom to split into two smaller atoms (assuming the first option is labeled A, adjust label as per original question…
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which of these decreases as greenhouse gas pollution increases? a. sea …
B. Rate of thermohaline circulation
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artificial eutrophication is a process that occurs due to human activit…
A. sewage and fertilizer runoff
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which of these is part of a feedback loop that results in a cooling eff…
B. Rising carbon dioxide levels fuel the growth of algae and plants, which increases carbon dioxide absorption.
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origins of the universe quick check what does the evidence supporting t…
- It was extremely hot - It was very tiny
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which of these has a warming effect on earth? a. more evaporation of wa…
C. As snow and ice melt, the underlying surfaces absorb more solar radiation.
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3/10 what does the geosphere include? scroll more only the earth’s core…
Rocks, soil, continents, and tectonic plates
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in the absence of other information, all soils in an excavation should …
B. type C
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origins of the universe quick check what does the evidence supporting t…
B. It was extremely hot, C. It was very tiny
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which are the two major greenhouse gases? a. o₂ and h₂o b. ch₂o and co …
D. \(CO_2\) and \(CH_4\)
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alkalemia alkalemia means there is a lower than normal amount of in the…
H+
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question 16 of 25 the graph below shows how natural processes and human…
C. Human activity has a larger impact on climate change.
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of the following choices, which is the best way to help earths water su…
D. Reduce residential water use.
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question 15 1 pts one of the most common grounding systems used for pro…
A. Three - Conductor System
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how can you reduce the amount of waste you send to landfills? a. use a …
A. Use a reusable grocery bag each time you shop.
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question 14 1 pts a polarized electrical receptacle is used for ____. a…
C. Double - insulated tools
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the graph shows data from ice cores. atmospheric carbon dioxide from la…
D. Earth’s \( \text{CO}_2 \) levels have increased at a quicker rate during the last 200 years.
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question 13 1 pts a system that protects workers from the release of ha…
B. Lockout and Tagout
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which represents a negative impact of technology? a. increased recyclin…
C. Climate change
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question 12 1 pts in a lockout/tagout situation, a personal lockout/tag…
the person who applied it
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which type of energy releases greenhouse gases when used to make electr…
A. Natural gas
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question 11 1 pts helmets must be made of fiberglass or ____. ○ rubber …
B. Reinforced plastic
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which is the most sustainable practice? a. using more wind power b. bui…
A. Using more wind power
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which of these is an example of point-source pollution? a. light pollut…
D. Noise pollution comes from a jet engine.
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a consistent rule about hearing protection is that it should be used if…
C. 8 feet away (assuming the options are labeled A: 2 feet away, B: 3 feet away, C: 8 feet away, D: 5 feet away)
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question 1 1/10 what is the primary focus of earth systems science? stu…
C. Understanding how different Earth systems interact (assuming the orange option is labeled C; if labels were A, B, C: A. Studying individual components of the Earth separately, …
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how have humans changed the atmosphere of the planet in the past 200 ye…
A. They have increased the levels of greenhouse gases.
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question 9 1 pts when there is a possibility of being exposed to asbest…
D. Report the situation to a supervisor and avoid disturbing them (assuming the options are labeled A, B, C, D in order as: A. call the emergency number to call for first aid serv…
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what is a carbon footprint? a. the amount of oxygen released by a plant…
C. The amount of greenhouse gas released by a person
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question 6 of 25 which consequence of pollution is shown in the photogr…
A. Pollutants react with water and are deposited on Earth’s surface.
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which rhetorical appeal is primarily used in this ad? image: bar graph …
logos (reason)
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which rhetorical appeal is primarily used in this ad? see why online re…
ethos (character)
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which rhetorical appeal is primarily used in this ad? be noticed! funki…
pathos (emotion)
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question 6 of 25 which consequence of pollution is shown in the photogr…
A. Pollutants react with water and are deposited on Earth’s surface.
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which rhetorical appeal is primarily used in this ad? zn zinc immune sy…
logos (reason)
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question 7 1 pts one source of lead in some workplaces is ______. ∘ pai…
A. Painting
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c) the temperature is _____ °c _____ °f (accompanied by a thermometer i…
The temperature is \( \boldsymbol{40} \) °C and \( \boldsymbol{100} \) °F.
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why do melting ice caps make earth warmer? a. polar ocean water cools o…
C. The ground under the ice has a lower albedo.
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which rhetorical appeal is primarily used in this ad? make every moment…
pathos (emotion)
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name world war ii america joined the allied powers of europe to fight a…
a. to stay out of the war ### Question 2
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drag the tiles to the correct boxes to complete the pairs. match each w…
U - shaped valley: glacier Landslide: gravity Frost wedging: ice Canyon: river
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5.4.2 test (cst): computer-scored unit test graph: year (2010, 2015, 20…
D. A decreasing line
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question 5 1 pts exhaustion from excessive heat exposure differs from h…
B. body temperature rises slightly
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which of these is an example of soil degradation? a. garbage is buried …
D. A drought kills all the plants in an area, leaving bare land.
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question 4 1 pts which of the following conditions is considered life-t…
A. Heat stroke
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which of these is a way noise pollution harms wildlife? a. takes essent…
D. Prevents animals from catching prey or escaping predators
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when other workers are working near a welding operation, the practice s…
A. Monitor the work area with welding shields
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select the correct answer. lila’s grandfather lives in a region where t…
B. frost wedging
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which is a possible outcome of global warming? a. animals will move to …
B. Sea levels will rise, causing floods.
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select the correct answer. figure 1 shows a seaside cliff. figure 2 sho…
D. rainfall and ocean waves
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which rhetorical appeal is primarily used in this ad? have an adventure…
pathos (emotion)
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which sentence describes air pollution? a. all the trees in a forest ar…
D. Soot and dust is released into the air from the smokestack of a power plant.
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jennifer has had a troubled past and has been emotionally affected by h…
She should write about her negative thoughts and emotions, even if this makes her uncomfortable.
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select the correct answer. which sphere includes rocks and minerals? a.…
C. geosphere
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select the correct answer. eric throws a basketball straight up into th…
C. gravitational potential energy
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3 select the correct text in the passage. which sentences in the passag…
- Maury digs a hole in the ground with a shovel and plants a sunflower seed. - In time, the sunflower draws water and nutrients from the soil and releases water vapor into the air…