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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?
giving the rice a greater nutritional value
how changes in the atmosphere affect precipatation
A new type of weather radar improves the ability to predict tornadoes
fewer people becoming ill
look for information that already exists about the biome
The student should have measured the starting temperature of the water
spring scale
anemometer
Which of these scientific principles had to be studied before weather forecasting technologies could be developed
giving the rice a greater nutritional value
how changes in the atmosphere affect precipatation
A new type of weather radar improves the ability to predict tornadoes
fewer people becoming ill
look for information that already exists about the biome
The student should have measured the starting temperature of the water
spring scale
anemometer
Which of the following is an intended benefit of technology?
giving the rice a greater nutritional value
how changes in the atmosphere affect precipatation
A new type of weather radar improves the ability to predict tornadoes
fewer people becoming ill
look for information that already exists about the biome
The student should have measured the starting temperature of the water
spring scale
anemometer
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?
giving the rice a greater nutritional value
how changes in the atmosphere affect precipatation
A new type of weather radar improves the ability to predict tornadoes
fewer people becoming ill
look for information that already exists about the biome
The student should have measured the starting temperature of the water
spring scale
anemometer
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?
giving the rice a greater nutritional value
how changes in the atmosphere affect precipatation
A new type of weather radar improves the ability to predict tornadoes
fewer people becoming ill
look for information that already exists about the biome
The student should have measured the starting temperature of the water
spring scale
anemometer
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?
giving the rice a greater nutritional value
how changes in the atmosphere affect precipatation
A new type of weather radar improves the ability to predict tornadoes
fewer people becoming ill
look for information that already exists about the biome
The student should have measured the starting temperature of the water
spring scale
anemometer
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?
giving the rice a greater nutritional value
how changes in the atmosphere affect precipatation
A new type of weather radar improves the ability to predict tornadoes
fewer people becoming ill
look for information that already exists about the biome
The student should have measured the starting temperature of the water
spring scale
anemometer
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
giving the rice a greater nutritional value
how changes in the atmosphere affect precipatation
A new type of weather radar improves the ability to predict tornadoes
fewer people becoming ill
look for information that already exists about the biome
The student should have measured the starting temperature of the water
spring scale
anemometer
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