8th Grade Benchmark Review #1

Question 1

The Edwards Plateau limestone rocks experience chemical & physical weathering forming

Accepted Answer

Caves

Question 2

The HR Diagram classifies stars brightness and temperature. Compared to the Sun, Beteleguse

Accepted Answer

is cooler and brighter.

Question 3

Which globe represents winter in the Southern Hemisphere?

Accepted Answer

Position Y

Question 4

Scientists believed the continents were joined. Using only maps, they observed

Accepted Answer

the continents appeared to fit together.

Question 5

Which organism in this food chain gets its energy, indirectly, from prairie grass?

Accepted Answer

Mountain Lion

Question 6

A hiker selects the easiest mountain hike using a topographic map. Which is the easiest path?

Accepted Answer

Contour lines spaced far apart.

Question 7

The population of an organism will likely decrease if there is an increase in

Accepted Answer

predators that prey on the organism.

Question 8

The contour interval of the map is

Accepted Answer

20 m

Question 9

The North African Dead Sea formed where land is thinning and sinking. The tectonic plates are

Accepted Answer

moving apart.

Question 10

Vines grow up trees exposing the vines to more...

Accepted Answer

sunlight

Question 11

Which trait is the breeder most likely selectively breeding?

Accepted Answer

Heavier bodies

Question 12

Which component of the universe is a system of stars, gases, and dust held together by gravity?

Accepted Answer

Galaxy

Question 13

What increases competition among population of the same species living in the same habitat?

Accepted Answer

Population density

Question 14

What would cause the seasons on Earth to change more gradually

Accepted Answer

Increasing the amount of time that the Earth takes to orbit

Question 15

What is described as an interstellar cloud of dust and gasses?

Accepted Answer

Nebula

Question 16

Which area on the map will produce the most violent storms?

Accepted Answer

Area 3

Question 17

What is responsible for convection currents in the atmosphere and oceans?

Accepted Answer

Uneven heating of Earth caused by radiation from the Sun.

Question 18

To minimize pollution from a new paper mill to a town, where should the it be built?

Accepted Answer

Downstream of the town

Question 19

How many points on Earth, as indicated by the arrows, will be experiencing high tides?

Accepted Answer

2

Question 20

What keeps planets in the solar system from moving in straight lines through the galaxy?

Accepted Answer

Gravity

Question 21

This represents relative sizes of all the Universe's stars. Which arrow is the size of our sun?

Accepted Answer

Star X

Question 22

How is the Sun's radiation, visible, infrared, ultraviolet, and others, identified?

Accepted Answer

Wavelength

Question 23

Which feature forms when two tectonic plates push together?

Accepted Answer

Mountain Range

Question 24

A full moon is on Friday, March 6, 2020. When is the next new moon?

Accepted Answer

March 20

Question 25

Which trait helps the Grey Mangrove tree growing in salty coast where tides brings salt water?

Accepted Answer

A mechanism for removing salt from water.

Question 26

Which city is currently has cloudy weather but will have clearer skies in the near future?

Accepted Answer

Cleveland

Question 27

The greater a habitat's biodiversity, the greater that habitat's...

Accepted Answer

sustainability over time with varying conditions.

Question 28

A species that appears in the earliest stages of secondary ecological succession is

Accepted Answer

A weed

Question 29

Which describes the formation of trenches in tectonic plates?

Accepted Answer

Two plates converge, one plate subducting under another.

Question 30

Which of the following causes day and night on Earth?

Accepted Answer

The rotation of the Earth.

8th Grade Benchmark Review #1

Questions 30

8th Grade Benchmark Review #1

Questions 30