Water
Device used to measure liquid
What is a Graduated cylinder?
Which of the following is a compound?
A. Sodium C. Nitrogen
B. Sugar D. Air
B. Sugar
Which disease is caused by fungus?
Intestinal worms Influenza
Chickenpox Athletes foot
Athletes foot
What is one possible human benefit from biotechnology research?
Producing crops that don’t naturally grow in this climate
What would happen to the deer population in an area if all the predators were removed from that area?
The deer population would increase and begin to compete for food
Once 2 liquids are poured together, there is bubbling and it is determined that the weight has decrease. What best describes this change?
Some of the atoms escaped into the air
Which best describes a method of obtaining energy that may cause changes in water temperatures and affect fish population?
Burning coal Using ethanol
Using solar panels Generating electricity in a hydro electric plant
Generating electricity in a hydro electric plant
How are pandemics different from epidemic?
Pandemics are more widespread
How has genetic engineering helped farming?
By creating crops that better resist diseases
What is the primary source of energy for most cells in the body?
Sugar
In the chemical reaction for decomposition of carbonic acid into water and carbon dioxide. H2CO3 = H2O CO2
how does the reaction support the Law of Conservation
The mass of the atoms in the reactant equals the mass of the atoms in the products
Which is a non renewable resource?
Oil Sunlight Water Wood
Oil
Which is the most likely re of overuse of an antibiotic?
More infections caused by bacteria resistant to the antibiotic
What can farmers do to help reduce the amount of carbon dioxide in the air
Planting trees around the property
Which of the following is considered as an element?
vinegar Carbon dioxide Iron Water
Iron
High turbidity has what effect on drinking water?
the water is undrinkable
How would an increase in salinity affect the ecosystem in an estuary? Two ways.
Salt tolerant creatures would increase
salt intolerant creatures would decrease
Which illness could be most likely treated with an antibiotic?
Influenza Common cold Strep throat Diabetes
Strep throat
What would increase the genetic variation in a population of organisms?
Increase in mutations
What evidence is there that life on earth has continuously evolved?
Evidence from rock layers, fossils and ice cores
Which best explains why all of the Earths freshwater is not available for human use?
Most of the Earths water is frozen
If fossils of marine animals were found on top of mountains what theory would that support?
The earth was once covered by water
Many infectious diseases have nearly been eliminated worldwide. Why should global studies of infectious diseases continue?
All infectious diseases have the ability to mutate, adapt and evolve
What is the best reason for scientists to study ice cores from the Earths ice caps?
To study past climates by analyzing trapped gases and particles
With regard to melting point, what happens with elements that have a higher atomic number?
It increases