6TH/7TH/8TH GRADE FINAL MASTERY COMPETITION

The diagrams below show the alignment of the Sun, the Moon, and Earth. Which diagram shows an alignment in which spring tide takes place?

• A

• B

• C

• D

Tags

NGSS.MS-ESS1-1

When Raul went on a road trip with his family, they drove through some dramatic mountain chains in a national park. Raul wanted to understand how mountains form, so he did some reading about mountain building. Once he understood the process of mountain building, he could make an inference about what happened in that national park millions of years ago. What must have happened in the national park?

• Erosion must have moved all the surrounding rock to expose the rock that remains to make up the mountain chain.

• Tectonic plates in Earth’s crust must have collided with each other, and one of the plates was pushed far up above the other one.

• Weathering must have occurred to break down all the rock that was surrounding the hard rock that remains to make up the mountain chain.

• Tectonic plates in Earth’s crust must have slowly eroded over time, exposing the remaining rock that currently makes up the mountain chain.

Tags

NGSS.MS-ESS2-2

The pictures show two different mountains in the same geographical location. The mountains in Picture A are rough and jagged. The mountains in Picture B are smooth and rounded. Which statement about these mountains is probably true?

• The mountains in Picture A are older.

• The mountains in Picture B are older.

• The mountains are about the same age but were formed in different ways.

• The mountains are about the same age but are in different hemispheres.

Tags

NGSS.MS-ESS2-2

Coal, a fossil fuel made from the remains of swamp plants, has been found in Antarctica. Which of the following is the most reasonable explanation for how this is possible when 98% of Antarctica is now covered in ice?

• The coal was transported by animals that ate the swamp plants.

• The climate of Antarctica has become milder due to its closeness to the ocean.

• The climate of Antarctica was probably much warmer in the past than it is today.

• The coal was transported through large convection currents and uplifted in the mantle.

Tags

NGSS.HS-ESS2-2

NGSS.HS-ESS2-4

NGSS.HS-ESS2-6

Earth's crust is made up of tectonic plates. This diagram shows two plates found under the Himalaya Mountains. Which of the following statements best describes the tectonic plates shown in the diagram?

• Two convergent plates, one continental and one oceanic

• Two divergent plates, one continental and one oceanic

• Two convergent continental plates

• Two divergent continental plates

Tags

NGSS.MS-ESS2-2

The arrows in the diagram below show the circulation of air on a sunny day. The air circulation shown is caused by which of the following?

• Both hot air and cool air sinking

• Both hot air and cool air rising

• Hot air sinking and cool air rising

• Hot air rising and cool air sinking

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

One light year is the distance light travels in one year, which is equal to about 9.5 trillion kilometers. Which of the following distances would this unit of measurement be most appropriately used to measure?

• Earth to the Sun

• The Sun to Jupiter

• Earth to the Moon

• The Sun to another star

The graph below represents a sample of stars that have been plotted on an H-R diagram. Which location on the graph represents a star that would most likely have a reddish color?

• A

• B

• C

• D

The figure below shows the rotation of the Sun. How is the rotation of the Sun different from the rotation of Earth?

• The parts of the Sun rotate at different speeds and the parts of Earth rotate at the same speed.

• The Sun’s equator rotates faster than its poles and Earth’s equator rotates slower than its poles.

• The Sun’s poles rotate faster than its equator and Earth’s poles rotate slower than its equator.

• The parts of the Sun rotate in different directions and the parts of Earth all rotate in the same direction.

Tags

NGSS.MS-ESS1-1

Venus is the hottest planet in the solar system. The figure below shows part of the planet’s surface and atmosphere. Why is Venus so hot?

• The surface of Venus absorbs energy from the Sun.

• The rotation of Venus affects how the Sun’s rays enter its atmosphere.

• The atmosphere of Venus reflects heat back down the surface of the planet.

• The atmosphere of Venus lets the Sun’s rays to go back into space to absorb more energy from the Sun.

Tags

NGSS.MS-ESS2-6