Scientific Inquiry Earth Science

The pictures show the same stars at different times. Which hypothesis is best supported by these data?

• The stars are moving toward one

  another.

• The three stars are moving very fast.

• One star is moving around another star

• The biggest star is closest to the Earth.

Answer explanation

As the years progress you can see how the smaller star appears to be circling the bigger star.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

The wireless operator aboard the Titanic signaled for help and gave the ship’s location as 4145N and 5014W. Which are shown on the map is most likely where the Titanic struck the iceberg?

• A

• B

• C

• D

Answer explanation

Location A is the closes to corrodents for the Titanic.

One step in determining the metal content of a ring is tofind the volume of the ring. What is the volume of this ring?

• 1.7 mL

• 3.0 mL

• 4.7 mL

• 7.1 mL

Answer explanation

Subtract the water before from the water after.

A student sees a very bright star in the sky and thinks it might be the planet Venus. Which observation would lend support to this conclusion?

• After a few minutes, its position relative

  to the surrounding stars has changed

  significantly.

• After an hour, its position relative to the

  horizon has changed.

• After an hour, its brightness has faded

  significantly.

• After a month, its position relative to

  the surrounding stars has changed.

In this Mercator map of North America, Canada and Alaska together appear larger than the United States and Mexico together when in fact they are smaller. What causes this distortion?

• Mountains get flattened on a map so

  that mountainous areas look larger than

  they really are.

• The northern regions are enlarged

  because the shallower parts of the

  oceans are frozen.

• The latitude and longitude lines create

  an optical illusion.

• The map is a projection of a round world

  onto aflat surface.

According to the data shown by the graph, the warmest air during the summer will be found—

• closest to North Lake

• above South Lake

• above the land between the lakes

• closest to the water level of the lakes

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Which of the following puts the steps of a scientific experiment in the correct

order?

• 2, 1, 3, 4

• 4, 2, 3, 1

• 2, 1, 4, 3

• 2, 3, 1, 4

Tags

NGSS.MS-PS2-2

Which profile best represents the contour map along the line AB?

• 
• 
• 
• 

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

In the first picture, the sphere is in a beaker with 100 mL of water. In the

second picture, the dry sphere is being massed. Which of the values listed is closest to the density of the black sphere?

• 0.5 g/mL

• 0.7 g/mL

• 1.4 g/mL

• 2.1 g/mL

Tags

NGSS.MS-PS1-2

A scientist conducts an experiment to test a hypothesis. The experiment confirms that the hypothesis could be true. When will the hypothesis most likely become a scientific theory?

• when the hypothesis is first thought of by the scientist

• when the hypothesis has survived extensive testing

• when a competing hypothesis has failed testing

• when the hypothesis is published