What is the very first step of the scientific method?
What is Observation
100
Q: What is the role of a decomposer?
A: Eats dead organic material
100
Q: What is another word for a producer?
A: Autotroph
100
Q: In the water cycle, what is the process called when water goes from vapor to form clouds?
A: Condensation
100
Q: Give an example of an abiotic factor.
A: temperature, humidity, terrain, water
200
What is a hidden variable?
Something that is not being tested but needs to remain constant or it can affect the results
200
Q: If the primary producer contains 1000 KJ of energy in a community, how much energy does the secondary consumer receive?
A: 10 KJ of energy
200
Q: What is the ultimate source of energy on Earth?
A: The sun
200
Q: What does organic material become when it is buried for hundreds of thousands of years?
A: Fossil fuel
200
Q: Why do organisms need nitrogen?
A: To make proteins
300
Once a scientist makes a new discovery, before they can be published, what must happen first?
Peer Review
300
Q: What does biomass mean?
A: Amount of living matter
300
Q: How do primary producers get food?
A: Photosynthesis from the sun
300
Q: What is the scientific term for “plant sweat”? What does it mean?
A: Transpiration, release of water by trees.
300
Q: List three characteristics of living things.
A: Made of cells, reproduce, grow, eat, maintain homeostasis, have genetic material, respond to stimuli, evolve
400
Q: What are the two different kinds of data scientists collect?
A: Observations and numbers/qualitative and quantitative
400
Q: Provide one similarity and one difference between a food web and food chain.
A: Similarities: shows the transfer of energy between organism or show who eats who
Differences: Food chain is linear, food web goes in all different directions
400
Q: What does a primary consumer eat? Is it an omnivore, herbivore, or carnivore?
A: plants, herbivore
400
Q: Describe what happens to the nitrogen cycle if nitrogen fixing bacteria stop functioning.
A: Plants and animals do not receive enough nitrogen which is essential for protein and DNA
400
Q: Do all of your cells do the same thing? What is cell specialization?
A: Cells perform different functions depending on what part of the body they live in.
500
Q: Identify the dependent and independent variable. I notice that my radish plant next to the river grew four times larger than my other radishes. I want to test to see if using river water affects the size of my radishes.
A: Independent Variable- River Water
Dependent Variable- Radish Size
500
Q: List the following in order of size- population, community, biome, ecosystem
A: largest- biome, ecosystem, community, population
500
Q: A rat eats grasshoppers, would a mouse be a producer or primary/secondary/tertiary consumer?
A: Secondary consumer
500
Q: Draw the simplified carbon cycle
A: Just draw person and tree. CO2 goes from the person to the tree and O2 goes from the tree to the person
500
Q: What is the process called when organisms keep their body processes balanced?