Inquiry, Technology, And Engineering Question Preview (ID: 41966)


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How might disease that killed the grasses in a area affect animals such as coyotes or mountain lions, which do not eat grass?
a) Decrease the number of animals on which they feed
b) Increase the number of other predators that complete with them
c) No affect because coyotes and mountain lions don't eat grass
d) Increase the food supply because small animals can no longer hide

Students were asked to record and compare the wind speeds observed every 10 minutes over a one-hour period. Which tool will best help conduct this investigation?
a) binoculars
b) anemometer
c) telescope
d) thermometer

A student heated a sample of room temperature water. The water began to boil after 5 minutes of heating. The student concluded that the water temperature increased at a rate of 20°C per minute. Which best describes an error in the students conclusion
a) The student should have measured the starting volume of the water
b) The student should have measured the starting temperature of the water
c) The student should have increased the amount of heat applied to the water
d) The student should have repeated the experiment

An engineer is designing a machine to reduce the force required to move objects. The engineer tests a prototype of the machine. Which tool should the engineer use to test the amount of force needed to move objects?
a) thermometer
b) electronic balance
c) anemometer
d) spring scale

For a science project, a group of students want to create a representation of how organisms depend on one another in a freshwater biome. Which procedure most likely needs to occur first in their project?
a) introduce new species of animals into the biome and observe what happens
b) use a computer program to create the representation
c) look for information that already exists about the biome
d) build a model of the biome

Scientists want to make rice healthier for humans. The scientists insert a gene found in bean plants into rice plants. The inserted gene increases the iron content of the rice. What is an intended benefit of this technology?
a) making the rice grow faster
b) making the rice pest resistant
c) giving the rice an improved flavor
d) giving the rice a greater nutritional value

Scientists developed a new antibiotic for patients to use to treat an illness caused by bacteria. Which of these is an unintended consequence of people using more antibiotic than needed to treat the illness?
a) fewer people becoming ill
b) bacteria that resists antibiotics
c) lower costs for treating patients
d) patients recovering more quickly

Which of these is the best example of an assistive technology that helps people overcome a disability?
a) an oven that contains a fan that moves hot air around
b) a television with a button that can lower the volume
c) a telephone that records digital voice messages from callers
d) a computer program that can change text into spoken words

Which of these scientific principles had to be studied before weather forecasting technologies could be developed
a) how changes in the atmosphere affect precipatation
b) the difference between Earth and the sun
c) how raindrops create rainbows
d) pollution of the atmosphere by burning fossil fuels

Which of the following is an intended benefit of technology?
a) A new type of weather radar improves the ability to predict tornadoes
b) A pesticide kills all of the honeybees in an orchard
c) Traffic backs up on all the roads near a newly made bridge
d) People using cell phones while driving cause an increase in highway fatalities

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