Unit 1
Unit 2
Unit 3
Unit 4
Challenge
100
What is this equipment?
a compound light microscope
100
What is the difference between food chain and food web?
In a food chain, the energy moves in ONE direction while in food web, the energy moves in different directions (more complex).
100
Rocks are composed or made up of different __________________
minerals
100
What gas do factories and vehicle release into the atmosphere that is causing climate change?
CO2 emissions (carbon dioxide)
100
Draw the graph for exponential AND logistic growth and show the carrying capacity.
Your graph should look like this:
200
Where do scientists publish their results?
Scientific Journal/Periodical
200
The two scientific names we use to call organisms that make their own food? (not trees)
Autotrophs and producers
200
What scale is used to determine a mineral's resistance to being scratched?
Moh's hardness scale
200
Climate change on is earth is MOSTLY caused by this ONE activity.
Burning of fossil fuels
200
What is the difference between R and K selected species? Name atleast 3 for each.
R selected = many babies, no parental care, die early on
K selected = few babies, lots of parental care, tend to live longer
300
What does this symbol mean?
Oxidizer, severe fire hazard and promotes combustion in other materials.
300
What are keystone species? Give an example
Species who are crucial to the ecosystem, the ecosystem crashes without them. Examples: apex predators
300
Erosion is associated with what keyword(s)?
Movement, transport, etc.
300
What is the name of circular motion of warm and cool air in the atmosphere called?
Convection Currents
300
The plate movement shown in the figure could result in —
A. mid-ocean ridges
B. subduction zones
C. rift valleys
D. strike-slip faults
A. mid-ocean ridges AND C. rift valleys
400
What is the acronym for using the fire extinguisher? Spell each word out.
P: Pull the pin
A: Aim the extinguisher at the fire.
S: Squeeze the trigger
S: Sweep side by side 8-10 feet away from fire
400
What does biodiversity mean AND why it so important to have biodiversity?
Variety of life on earth. It is important because it tends to lead to more stable ecosystems.
400
Sedimentary rocks are formed from _______and _________
Igneous rocks are formed from magma that has cooled AND ____________.
Metamorphic rocks are formed from EXTREME _____ and _________
1. Cementation and compaction
2. Crystallization
3. heat and pressure
400
Draw the greenhouse effect.
400
What does this chemical symbol mean?
A corrosive substance.
500
What are the 6 steps to the Scientific Method (also called Experimental Design) process?
1: Make observations
2: Ask a question
3: Form a hypothesis
4: Test hypothesis by conducting experiment
5: Collect and Analyze Data
6: Draw a conclusion
500
List ALL of the biomes that we discussed about in Unit 2. There are SEVEN.
1. Tropical Rainforest
2. Temperate Deciduous Forest
3. Desert
4. Savannah
5. Marine
6. Wetland
7. Taiga
500
What are the FIVE criteria for a substance to be a mineral?
1. It must be a solid
2. It must be inorganic
3. Naturally occuring (not man-made)
4. Must have its own chemical composition
5. Must have its own unique crystalline structure
500
List the layers of the atmosphere in order starting from the bottom to the outermost layer.
Troposphere
Stratosphere
Mesosphere
Thermosphere
Exosphere
500
What scientific law states that matter cannot be created nor destroyed?
Law of Conservation of Matter