Chemistry
Give an example of a physical change
Answers include but are not limited to: Tearing, melting, freezing, crumpling
What is turbidity
Quality of being cloudy or opaque
What type of rock are fossils found in?
Sedimentary
Explain the purpose of food
To provide fuel and nutrients for organisms
Biotic is living and abiotic is nonliving
Biotic: Plants and Animals
Abiotic: Rocks, Water
Which group is the least reactive?
Noble gases
An area of land that drains to one place
Watershed
What is the name of the supercontinent?
Pangea
Which pathogen is cured with antibiotics?
Bacteria
What is a producer?
Primary consumer?
Producer: organism that makes its own food
Primary consumer: eats the producer
Give an example of a homogenous mixture and a heterogenous mixture
Answers may vary but homogenous is the same throughout (Milk) and heterogenous has distinct parts (salad)
Why are aquifers important to humans?
Provides a source of groundwater for use by homes and businesses
What are the 3 rock types
Sedimentary, Igneous, Metamorphic
What do viruses need in order to reproduce?
A host
Give two examples of a limiting factor
Sunlight, water, nutrients, space
What are the two parts of a chemical equation and What must be true of these parts?
Why?
Reactants, products. They must be balanced. Because of the law of conservation of mass
Describe the difference between point source and non point source pollution. Give an example of each.
Point Source Pollution can be identified easily and non point source pollution can not.
Point Source: Someone littering
NonPoint: Runoff from fertilizer from multiple farms
What does the law of superposition state
What is the difference between epidemic and pandemic?
Epidemic is smaller scale (state, 1 country)
Pandemic is global
Give an example of an adaptation and how it could be both advantageous and disadvantageous in different habitats
Example: White fur coat in winter but if it doesn't snow the white fur coat makes it stand out and more vulnerable to predators
Which 4 pieces of information is found in each square of the periodic table? Must name all the parts to gain the points
1. Atomic Name
2. Atomic Symbol
3. Atomic Mass
4. Atomic Number (Number of protons)
Which water would be most dense?
A. low temperature, high salinity
B. low temperature, low salinity
C. high temperature, high salinity
D. high temperature, low salinity
A
What is an index fossil?
Explain 2 ways to prevent the spread of disease
Answers may include: Isolation, vaccination, hand washing, etc.
What organisms are responsible for adding carbon dioxide to the atmosphere? What is responsible for adding oxygen?
Consumers: animals that breathe add co2
Producers: plants, trees, etc add oxygen