Show:
Force, Motion, and Energy
Molecular Matter
Classification
Cells
Random
100
Radiant energy is transformed into this when it is stored in plants.
What is chemical energy?
100
Two or more elements combined that contain Carbon and at least one other element from CHOPNS.
What is an organic compound?
100
Scientists use this to determine the scientific name of a species.
What is a dichotomous key?
100
This cell organelle helps plants to stay upright.
What is a cell wall?
100
The cell part that converts sunlight energy into chemical energy in the form of sugar.
What is the chloroplast?
200
The amount of work done when you push a 50N desk 0m.
What is no work or zero work?
200
Chewing big pieces into smaller pieces is an example of this type of change.
What is a physical change?
200
This is where you always start when using a dichotomous key.
What is step 1?
200
Organs are composed of this.
What is tissue?
200
This is the use of a force to move an object over a distance in the direction of the force.
What is work?
300
The amount of work done when you lift a 35N box 3m.
What is 105J?
300
Saliva contains these that chemically break down food.
What are enzymes?
300
Domestic animals genes have been affected by this process in reproduction.
What is selective breeding?
300
All cells come from these.
What are pre-existing cells?
300
This force causes plants roots to grow downward.
What is the geotropism?
400
The speed you are going if you travel 50m in 2s.
What is 25m/s?
400
Hydrogen, oxygen, water, rust and metal are examples of this type of substance.
What are in-organic substances?
400
Charles Darwin developed this theory that organisms change over long periods of time due to environmental influences
What is the theory of natural selection?
400
Genetic or heredity material is contained in this cell part.
What is the nucleus?
400
A mass of cells that work together.
What is a tissue?
500
The person doing more work. Person A who lifts a heavy box straight up 6m and Person B who moves the same box the same height using a ramp.
What is they do the same amount of work?
500
Name at least 3 signs of a chemical change.
What are color change, odor change, temperature change, release of light, gas(bubbles)?
500
This is what will happen to a species over time if it does not adapt to its environment.
What is the species will go extinct?
500
Changes substances into new substances that the cell can use for energy.
What is the mitochondria?
500
This cell contains a cell membrane, cytoplasm, and DNA only.(no nucleus)
What is a prokaryotic cell?