ECM
Water Quality
Food as Energy
Energy
Diseases
100
Which of the following is a NOT a pure substance?
Element, Compound or Mixture
Mixture
100
What is Turbidity?
How clear the water is
100
Which is not considered a food?
A. Vitamins
B. Carbohydrates
B. Proteins
A. Vitamins
100
Name one type of renewable energy source.
Solar(sun)
Wind
Hydropower(water)
Biomass
Geothermal
100
Which pathogen is non-living and the smallest?
Virus
200
NaCl is a compound.
Explain how do you know it is a compound.
It is a compound because there are two(2) different atoms chemically combined.
200
What levels are the Dissolved oxygen if the lake has High Nitrates level?
High Nitrates = High Turbidity =Low Dissolved Oxygen
200
Where is most of the energy found in the food chain?
Cordgrass
200
What are the three fossil fuels?
oil, coal and natural gas
200
What is used to treat bacterial infections?
Antibiotics
300
Which of the samples shown represents an element?
Sample 2
300
Which of the following is a point source pollution?
A. run-off from farms
B. oil spill from a boat
C. run-off from cities
B. oil spill from a boat
300
What are the products of photosynthesis?
Oxygen and Glucose
300
What is the environmental impact of an increase in CO2 levels?
Global warming(climate change)
300
How would you describe a disease that is affecting countries worldwide?
Pandemic
400
Select all of the options that are compounds.
Neon (Ne)
Ozone (O3)
Water (H2O)
Nitrogen (N2)
Ammonia (NH3)
Ammonia (NH3)
Water (H2O)
400
Which of the samples appears to have the highest turbidity and may not be safe to drink?
Sample 3
400
This formulae represents which process
Cellular Respiration
400
Name a greenhouse gas that is released from burning fossil fuels
Carbon dioxide or methane
400
What do we call the organism that transmit disease but is not affected by it?
Vector
500
How do you separate a saltwater solution?
Evaporation (boiling it)
500
Which human activity would have the greatest positive impact on the water quality of a stream?
A. releasing warm water into the stream
B. driving cars through the stream
C. reducing use of fertilizers near the stream
D. increasing use of chemicals near the stream
C. reducing use of fertilizers near the stream
500
Label the energy pyramid using the word bank: Producer, Herbivore, Carnivore and Omnivore
A- Omnivore
B - Carnivore
C - Herbivore
D - Producer
500
What is the difference between renewable and non-renewable resources?
Renewable is easily replaced while non-renewable takes millions of years to be replaced.
500
A student was given antibiotics for his illness but it did not work. Is the illness a viral infection or bacterial infection?
Viral because the antibiotics did not work.