Virginia Ecosystems
The students found some of the small fish dead and floating on top of the water in the classroom aquarium. They want to learn why this happened and prevent further loss of fish. What is a good way to start work on the problem?
A. Exchange the aquarium water with fresh water.
B. Collect water from the aquarium to test.
C. Read a book about reptiles.
D. Analyze a graph about the quality of the aquarium water.
What shows how all the animals in a community get their energy?
A food web
At which location are oceans the deepest?
Ocean Trench
What is the largest planet?
Jupiter
The Earth's day is 24 hours long. This is how long it takes to make one full-
A. Revolution
B. Season
C. Rotation
D. Orbit
C. Rotation
About 65% of Virginia is covered by forests. Which of the following would be a result of removing forests in Virginia?
A. Populations of woodland animals would decrease.
B. Storm runoff would decrease.
C. Air Pollution would decrease.
D. Coal mining would decrease.
A. Populations of woodland animals would decrease.
In a healthy ecosystem, many different species of animals may share the same habitat because they each have a different niche. An animal's niche is best described as what?
A. Its ability to reproduce.
B. Where it is located.
C. Its appearance.
D. The role it plays in its habitat.
D. The role it plays in its habitat.
Which of the following statements about the ocean's geographic features is true?
A. The continental shelf is home to most living things in the ocean.
B. The continental shelf is considered the true ocean floor.
C. The continental slope is a flat zone extending from the beach.
D. The continental slope is the transition area where the continent ends.
D. The continental slope is the transition area where the continent ends.
Which of the following is an important factor in explaining why seasons occur on Earth?
A. Earth rotates on its axis.
B. The Sun rotates on its axis.
C. Earth's axis is tilted.
D. The Sun's axis is tilted.
C. Earth's axis is tilted.
John and Tina made a poster telling people to pick up litter so that it does not flow into the river when it rains. Their poster represents which statement?
A. A penny saved is a penny earned.
B. We all live downstream.
C. Only you can prevent forest fires.
D. The early bird catches the worm.
B. We all live downstream.
Which of these is an important natural resource of the Chesapeake Bay?
A. Moose
B. Shellfish
C. Coal
D. Pine Trees
B. Shellfish
A storm chase recorded the following observations about the weather:
-Extreme rainfall
-Roads are flooding
-High Winds
-77 degrees Fahrenheit
What type of storm did the storm chaser follow?
Thunderstorm
The continental shelf, slope, and rise are best described as-
A. the area of transition between the thick continental crust and the thinner oceanic crust
B. the ocean area where the lowest temperatures and highest pressures can be observed
C. the area where the deep ocean trenches meet with the shoreline
D. the ocean area with the smallest number of living organisms
A. the area of transition between the thick continental crust and the thinner oceanic crust
Which of the following are terrestrial planets?
A. Earth
B. Mars
C. Neptune
D. Saturn
Earth and Mars
Samara had two plants that were alike. She gave them the same amount of soil and water. She placed plant W on a windowsill and plant C inside a closet. After a few days, she noticed plant W growing well and plant C drooping. What is the most reasonable explanation for why plant C was drooping?
During photosynthesis sunlight is absorbed by the leaves. What two substances are also taken in by the plant for photosynthesis?
Carbon Dioxide and Water
What type of cloud would you see on a day that has steady rain and a high temperature of 41 degrees Fahrenheit?
Nimbostratus Clouds
A student took the following notes in her science notebook:
-strong rivers of water
-move close to the ocean surface
-impact temperatures on continents
-caused by wind and Earth's rotation
What was she most likely describing with her notes?
Ocean Currents
How much of the illuminated moon can be seen when the moon is new?
None
In order for animal populations to survive, what must animals be able to do?
Reproduce
Michele's family went on a nature hike with a naturalist in the Shenandoah National Park. The naturalist spoke about the organisms in the environment including trees, plants, birds, insects, and other organisms which depend upon each other to live in that environment. What was the naturalist describing?
Many plants rely on other organisms or nonliving factors to transfer pollen from one flower to another. Pollen can be transferred as a result of what 3 things?
Wind, Animals, Water
Krill have the following characteristics:
-large eyes for finding prey
-many legs for swimming
-small bodies (about 2 inches in length)
The also eat phytoplankton. Based on these characteristics, where would marine biologists most likely find krill?
Swimming near the ocean's surface.
Name the 4 Gas Giants.
Jupiter, Saturn, Uranus, and Neptune
The sun's rays heat the Earth. When the Northern Hemisphere is tilted towards the sun, it experiences summer. At the SAME time, the Southern Hemisphere is having what season?
Winter