Physical Science1

The Greeks knew that the earth is round because of how ships are observed while traveling away from the shore. Which of the following evidence supports this?

• The ships’ sails will disappear first before their hulls.

• The ships’ hulls will disappear first before their sails.

• The ships will appear smaller and smaller until they completely disappear.

• The ships will never disappear unless they are blocked by certain objects or fog.

Based on ancient astronomy, what happens to the position of the North Star as you approach the equator?

• The North Star appears closer to the horizon.

• The North Star remains in the same position in the sky.

• The North Star disappears entirely from view once you cross the equator.

• The North Star changes as you move closer to the equator due to the observer's perspective.

Any theory of the structure of the solar system (or the universe) in which Earth is assumed to be at the center of it all.

• Eclipse

• Heliocentrism

• Geocentrism

• Solstice

During which time did Eratosthenes observe the shadows cast by a vertical stick?

• during a lunar eclipse

• during a solar eclipse

• noon time in winter solstice

• noon time in summer solstice

In which of the following events can the circular shadow of the Earth be observed most notably?

• lunar eclipse

• solar eclipse

• summer solstice

• winter solstice

Tags

NGSS.MS-ESS1-1

Either of the two times in the year, the summer solstice and the winter solstice, when the sun reaches its highest or lowest point in the sky at noon, marked by the longest and shortest days.

• Eclipse

• Heliocentrism

• Geocentrism

• Solstice

Tags

NGSS.MS-ESS1-1

If we have a new moon today, when will we have the next full moon?

• In about 7 days

• In about 14 days

• In about a month

• In about 2 months

Tags

NGSS.MS-ESS1-1

What practical value did astronomy offer to ancient civilizations?

• It helped them understand our cosmic origins.

• It allowed them to predict eclipses with great accuracy.

• It helped them find uses for ancient structures like Stonehenge.

• It helped them keep track of time and seasons, and used by some cultures for navigation.

Tags

NGSS.MS-ESS1-1

We cannot see a new moon in our sky because _________.

• it is obscured by the Earth's shadow

• it is above the horizon during the daytime

• no sunlight is illuminating the Moon

• new moon is quite near the Sun in the sky

Tags

NGSS.MS-ESS1-1

The largest planet discovered before the invention of telescope is __________ .

• Jupiter

• Neptune

• Uranus

• Venus