AnswersPhysical Science Sem 1 2003310 BCPS 2026-27Evaluating Scientific Explanations

Evaluating Scientific Explanations Answers

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Although no blueprints of the pyramids have been found, what evidence suggests humans, not aliens, built the pyramids?

A
remains of large work horses
B
an ancient rock quarry
C
advanced forms of technology
D
wheeled wooden carts
5

What evidence contradicts the theory that moving two-ton stones was physically impossible for the Egyptians, and must have been done using alien technology?

Answer:

Archaeological evidence, such as the remains of quarries and ancient tools, shows that the Egyptians were capable of building the pyramids themselves. Evidence suggests they moved large stone slabs by placing them on sleds and pulling them across paths lubricated with oil or water to reduce friction. This specific process is depicted in tomb paintings dating back to approximately 1900 BCE.

6

Is the alien theory a scientific claim? Why or why not?

Answer:

The alien theory is not a scientific claim because it is not based on valid data, there is no evidence to support it, and it does not come from a reliable source.

7

What claims are made by the transporting company? Check all that apply.

A
The transport is maintained at –18°C.
B
–18°C maintains the quality of ice cream.
C
The crystal size of creamy ice cream is 5µm.
D
They produce creamy ice cream crystals at 15 µm.
E
They maintain ice cream crystal size at 15 µm.
8

You found several studies related to the service provided by the company. Which data will you use to make an informed decision? Check all that apply.

A
data from a celebrity magazine
B
data verified by other studies
C
data provided by an ice cream manufacturer
D
data gathered once to show the reliability of the company
E
data from a report put out by a government agency
9

What did you include in your response? Check all that apply.

A
Egyptians worked together to build the pyramids.
B
Quarries and ancient tools suggest that large slabs were created from rock beds.
C
The slabs were placed on sleds and pulled to the building site.
D
Oil was poured on the roadway to make the process easier.
E
This process is depicted in tomb paintings that date back to 1900 BCE.
10

What did you include in your response? Check all that apply.

A
The alien theory is not based on valid data.
B
The alien theory is not supported by evidence.
C
The alien theory does not come from a reliable source.

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