Scientific Method
Experiments
Plants
Organelles
Water
Biomolecules and stuff
100
What is the difference between a scientific theory and a law?
Hope you answered correctly!
100
What is a variable?
Something that might change in an experiment
100
Two big groups of vascular plants
angiosperm and gymnosperm
100
The control center, or brain of the cell.
nucleus
100
Why does ice float?
Density!
100
Name the three major parts of cell theroy
all living organisms are made of cells, the cell is the basic unit of life, and all cells arise from pre-existing cells
200
What is a dependent varible
What is measured/data
200
What is the difference between quantitative and qualitative data?
200
The process in which plants lose water from the leaves
Transpiration
200
The outer layer that maintains the cell's shape and protects it from mechanical damage.
cell wall
200
Water sticking to other surfaces/substances is known as
adhesion
200
The biomolecules that are used for insulation, waterproofing and long term energy storage.
lipids
300
In science, a hypothesis must be
What is testable?
300
How many controls are needed in an experiment?
As many as necessary
300
Plants growing toward light is called
phototropism
300
Long tail-like structures that allow the cell to move with greater ease.
Flagella
300
Water is sticking to other water molecules is known as?
Cohesion
300
The biomolecules that contain genetic information.
What are nucleic acids?
400
During an experiment, if you purposely change the temperature to test a hypothesis, the temperature is called the
What is manipulated or independent variable?
400
What is a control group?
The thing that does not get the experimental treatment.
400
The part of the stamen where pollen is produced
anthers
400
Organelle where cellular respiration occurs and most ATP is generated.
mitochondria
400
What type of bond is formed from the attraction between the positive end of one water molecule and the negative end of another water molecule?
hydrogen bonds!
400
The name for a chemical compound that speeds up a chemical reaction.
What is catalyst?
500
What is a valid reason why a scientist might reject a scientific theory?
new evidence
500
Why do we use the scientific method?
to provide a systematic, objective, and reliable way to understand the world by testing ideas through observation and experimentation, minimizing bias, and ensuring results are reproducible, ultimately building accurate scientific knowledge
500
What does this chemical reaction represent?
6H2O + 6CO2 + Light ---> C6H12O6 + 6O2
Photosynthesis
500
The organelle that is the site of photosynthesis in plant cells
chloroplasts
500
Capillary action is made possible due to which two properties of water?
adhesion and cohesion
500
The elements present in proteins.
C, H, O, N