astronomy - unit 2

“The planets revolve around the sun in an elliptical pattern because of the respective gravitational forces that interact between the sun and other planets”

This statement is and example of a:

Theory

Which type of telescope uses both mirrors and curved lens to focus the light for viewing?

Compound

At dusk, a man in a park is using binoculars big enough that they are being supported in a tripod. Based on this knowledge, what can be inferred about these binoculars?

They have a small field of view

Which of the following is the weakest hypothesis for the question “is there evidence of water on mars?”

There might have been water but it’s difficult to tell

Why were the phrenological studies conducted by Dr, Franz Joseph Gall discredited in the nineteenth century?

The descriptions within the observations were not testable and objective.

A sextant resembles which mathematical instrument?

Protractor

What is the first step for the peer-review process to begin?

Write a paper on claims, findings, and conclusions.

Which type of scientific investigation could involve hypothesizing which density of liquid refracts more light than water?

Experimental

What type of scientific investigation involves testing variables that are manipulated, controlled, or measured in order to gather evidence to support or disprove your hypothesis?

Experimental

What kind of telescope uses mirrors to focus light to form a picture?

Reflecting telescope

What type of scientific investigation would include creating a chart that shows the phases of the moon?

Descriptive