Tools and Technology Answers

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Rudri studies for her physical science test on the history of the atomic model. She creates a table to show how the atomic model has changed over time. Which represents the correct order of development for the atomic model?

Question illustration
A
W→X→Y→Z
B
Y→X→Z→W
C
X→Y→W→Z
D
X→Z→W→Y
2
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When people look through a telescope, air currents in the Earth’s atmosphere can distort the images they see. In the 1950s, a scientist named H. W. Babcock thought of a way to reduce this distortion by using a special device within the telescope. However, this device was not used until the 1990s.Which best explains why Babcock’s idea took many years to become a reality?

A
Scientists started using electron microscopes instead.
B
Scientific telescopes were already using advanced technology.
C
Scientific ideas often have to wait until advancements in technology make the ideas possible.
D
Scientists often feel their ideas place an unnecessary burden on the research to develop telescopes.
3

The Port of Houston is one of the busiest ports in the country. The U.S. Department of Energy gave this port $3.4 million to operate twenty heavy-duty hydrogen hybrid fuel cell powered trucks around the port.Which is the most likely reason the U.S. government made such an investment?

A
to produce more water
B
to improve fueling stations
C
to move more cargo
D
to reduce harmful emissions
4

The public is not yet able to purchase cars powered by hydrogen fuel cells because engineers have to determine how the cars perform based on which scenario?

A
on racetracks
B
in real-world conditions
C
in flooded environments
D
on closed courses
5

Which best blocks X-ray particles and can therefore be observed more closely through the use of this technology?

A
organs
B
muscles
C
fluids
D
bones
6

Which scientific tool helps to make distant objects appear nearer and larger?

A
a microscope
B
a telescope
C
probeware
D
an ultrasound
7

View the model of the United States. Which is a likely limitation of this model?

Question illustration
A
It does not show which countries are to the north and south.
B
It does not show America’s major rivers.
C
It does not show mountainous regions.
D
It does not show the oceans surrounding America.
8

Which model is most likely used to show something that happens too slowly to see?

A
a model of a weather system
B
a model of mountain formation
C
a model of the area of a circle
D
a model of an architectural building

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