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100
Observation
What is seen or measured?
100
Autotrophs
What makes their own food?
100
Heterotrophs
What eats other organisms?
100
Neuron
What is a nerve cell?
100
Carbohydrates
What are sugars and starches?
200
Inference
What is a conclusion based on observation or evidence?
200
Experimental Group
What is the group being tested or treated?
200
Hypothesis
What is an untested prediction?
200
Metabolism
All life processes make up this organism?
200
Stimulus
What is a change in the environment the you respond to?
300
Independent Variable
What is the variable that is being tested?
300
Lipids
What stores energy and includes fats, oils and waxes?
300
Placebo
What is a sugar pill or other "fake" treatment?
300
Control Group
What is the "Normal" group?
300
Hormones
What is a chemical signal secreted by different glands in the body?
400
Active Transport
What requires the use of energy from low concentration to high concentration?
400
Osmosis
What is the diffusion of water into or out of the cell?
400
Photosynthesis
What is carried out by plants, algae and blue-green bacteria?
400
Death and Disease
Failure to maintain homeostasis causes this?
400
Proteins
What are made from amino acids?
500
Theory
What is a broad explanation of natural events that is supported by strong evidence?
500
Dependent Variable
What is variable that is measured at the end of an experiment?
500
Stomates
What are small holes in the leaves of plants?
500
Diffusion
What is movement of molecules from high concentration to low concentration?
500
Carbon , Hydrogen, Oxygen and Nitrogen
What are the most common elements in living things?
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