Which of these describes Kepler’s third law of orbital motion?(1 point)

T2 ∝ a3

Which orbital shape did most scientists in the early 1600s think the planets of our solar system have?(1 point)

Responses

circular
circular

hyperbolic
hyperbolic

parabolic
parabolic

elliptical
elliptical

circular

Which planet’s orbit was Kepler first studying when he began to develop his laws of orbital motion?(1 point)

Responses

Jupiter
Jupiter

Mars
Mars

Earth
Earth

Saturn

Mars

Which statement describes Kepler’s third law of orbital motion?(1 point)

Responses

The square of orbital period is proportional to the semi-major axis.
The square of orbital period is proportional to the semi-major axis.

The orbital period is proportional to the square of the semi-major axis.
The orbital period is proportional to the square of the semi-major axis.

The square of orbital period is proportional to the cube of the semi-major axis.
The square of orbital period is proportional to the cube of the semi-major axis.

The cube of orbital period is proportional to the square of the semi-major axis.

The square of orbital period is proportional to the cube of the semi-major axis.

Which is the best description of Earth’s orbit?(1 point)

Responses

parabolic
parabolic

highly elliptical
highly elliptical

circular
circular

almost circular

almost circular

Multiple Choice

Which of the following is an example of subjunctive verb mood?
(1 point)
Responses

Going outside in your bare feet could make you cold.
Going outside in your bare feet could make you cold.

Will you go away?
Will you go away?

If I make the baseball team, I will skip around the field.
If I make the baseball team, I will skip around the field.

The bread was old and crusty.

If I make the baseball team, I will skip around the field.

Which of the following is an example of indicative verb mood?

(1 point)
Responses

If his parents let him, he will come outside to play.
If his parents let him, he will come outside to play.

Open the door for the old lady.
Open the door for the old lady.

I believe you should have a 60's themed birthday party.
I believe you should have a 60's themed birthday party.

We had spaghetti for dinner.

We had spaghetti for dinner.

Multiple Choice

How is this text formatted?
(1 point)
Responses

italicized text
italicized text

bold text
bold text

underlined text
underlined text

a change in the font face

a change in the font face

Multiple Choice

How is this text formatted?
(1 point)
Responses

underlined text
underlined text

highlighted text
highlighted text

bold text
bold text

italicized text

bold text