WorksheetsThe Marble Planet-Unit 1
Total questions: 15
Worksheet time: 8mins
•The Earth is estimated to be how old?
4.54 billion years
54.4 billion years
100 billion years
2.54 billion years
There are an estimate of how many species on the Earth?
1 trillion to 2 trillion
500.3 million to 10 trillion
5.3 million to 1 trillion
2.52 million to 1 trillion
Earth is made of up interconnected parts called ________.
biogeochemical cycles
ecosystems
biomes
spheres
The study of the environment that includes the physical, biological, and social sciences.
Environmental Science
Chemistry
Physics
Hydrology
Goals of Environmental Science are ___________.
Environmental scientists seek to understand and solve environmental problems.
The environment is influenced by people and people are influenced by the environment. (Connectivity)
ES use data & models to predict the changes in environmental systems.
All of the above
What is a main environmental problem.
Pollution: An adverse change in air, water, or soil affecting humans & other organisms.
Loss of Biodiversity: The extinction of various species.
Resource Depletion: A large fraction utilized and not replaced.
All the above
The ability to maintain the Earth at a certain standard for life forms to survive indefinitely.
Sustainability
Reliabilty
Permeabilty
Leachability
Earth is considered a ______________ because it receives radiant energy from the sun and reflects much of it back into space. Earth’s mass remains consistent
open system
transparent system
circylatory system
closed system
Sunlight heats the _____________ and __________ driving processes on Earth.
lithosphere & hydrosphere
atmosphere & biosphere
bioshphere & lithosphere
hydrosphere & atmosphere
Changes in Earth’s tilt on its axis produced different weather patterns. An example of what?
Cyclic Motivation
Cyclic Fluctuation
Cyclic Operation
Cyclic Combustion
If a new bacteria can ingests oil then it can be used to clean up oil spills. What is the independent variable?
The container the oil is stored.
Type of oil being used.
Amount of oil being used.
Amount of bacteria being used.
The movement of matter through or within an ecosystem. The matter simply moves between reservoirs.
Biogeochemical Cylces
Biological Cycles
Biome Cycles
Biometric Cycles
Which of the following statements is true about fossil fuels, carbon, and carbon dioxide?
Carbon dioxide returns to the atmosphere as carbon when fossil fuels are burned.
Fossil fuels return to the atmosphere as carbon dioxide when carbon is burned.
Carbon returns to the atmosphere as carbon dioxide when fossil fuels are burned.
none of the above
What entities “fix” nitrogen prior to use by producers and consumers?
Bacteria & Fertilizer
Lightning & Fertilizer
Bacteria & Lightning
Lightning & Legumes
Water moves from water vapor to snow during what stage of the Hydrologic Cycle.
Condensation
Transpiration
Evaporation
Precipitation
