How does groundwater help keep surface water full?
What is groundwater is stored in aquifers where it slowly moves into riverbeds
100
Atoms of elements in Period 4 are larger than atoms of elements in period 1. Why?
What is because of the Atomic number.
100
What do transitional fossils best support?
What is the Theory of Biological Evolution
100
Why do doctors suggest that people get a flu vaccine each year?
What is Viruses can mutate from year to year.
100
How can you improve your quality and length of life
What is eat right and exercising
200
What method could you do at home to treat unsafe water and make it safe to drink again?
What is boil it.
200
An 88g iron nail rusted. The rusted nail (iron oxide) had a mass of 102g. What was the mass of oxgen that reacted with the nail?
What is 14g
200
Scientists find dinosaur fossils in the bottom rock layers of a cliff and mammal fossils in the middle rock layer of the cliff. Which could best be concluded from this evidence?
What is Dinosaurs lived on Earth before the mammals
200
Ten people became sick with the flu after attending a school dance. What is the scenario that could best explain how the people got sick?
What is they came in contact with an infected person
200
Chipmunks eat grain, nuts, birds' eggs, and insects. How would one classify a chipmunk?
What is omnivore
300
What are lakes, ponds and rivers examples of?
What is freshwater biomes.
300
When energy is transformed from one form to another, some of the energy is lost in the form of?
What is heat energy.
300
Scientists think that dolphins and whales may have evolved from a common ancestor. What evidence supports this hypothesis?
What is They have similar anatomies
300
What is the best way to prevent the flu from becoming a pandemic?
What is getting a viccination.
300
What best describes the characteristics of a river basin?
What is it is land drained by a river and it tributaries
400
What best describes water that is cloudy and hard to see?
What is turbid
400
Which renewable resource has the lowest environment risk?
What is solar energy.
400
Which would best allow a species to survive environmental changes?
What is genetic diversity
400
Which is a way the agricultural biotechnology industry could have a positive impact on the environment?
What is by reducing the need for countries to import food.
400
What would most likely result if there is an increase in upwelling in a coastal area?
What is more aquatic life
500
What describes a source of water pollution primarily caused by human activity?
What is runoff from fertilizers and pesticides.
500
What best explains why the total mass of the product(s) would be less than the total weight of the reactant(s) after a chemical reaction?
What is Gases were released to the atmosphere
500
What best describes the Law of Superposition?
What is In undisturbed layers of sedimentary rock, the lowest layers contain the older rocks
500
When organisms break down glucose what molecules result?
What is carbon dioxide and water
500
What factors determine the health of a freshwater system?
What is temperature, ph, turbidity, nitrates, DO, diversity of bio-indicators.