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26 Cards in this Set

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Living things that use the sun's energy directly are called _______.
Autotrophs
Acids neutralize ______.
Bases neutralize ______.
1)Bases
2)Acids
Living things that use the sun's energy directly are called _______. They are also known as _________.
1)Autotrophs
2)producers
The movement of matter from an area of higher concentration toward an area of lower concentration.
Diffusion
All populations in an area
Community
A tentive answer to a scientific question.
Hypothesis
All living things get their energy from the ____.
Sun
The diffusion of a solvent across a membrane; a type of diffusion.
Osmosis
All members of a species living in a specific area
Population
Substance that the catalyst acts upon
Substrate
Applied science
Technology
A way of solving scientific problems
Scientific method
Produces two daughter cells from one parent cell where the offspring are genetically identical to the parent.
Mitosis
Protein molecules which act as catalysts in chemical reactions.
Enzymes
5 stages of mitosis
1)Interphase
2)Prophase
3)Metaphase
4)Anaphase
5)Telophase
Reaction is which water is taken away
Dehydration
Reacting molecules which combine with the enzyme
Substrate
One element or one group of elements in a cpd is replaced by another element or group and a new cpd is formed.
Single replacement reaction
Enzyme found in saliva
Amylase
Acids are substances that provide __________.
Hydrogen ions
2 or more subtances chemically unite to form a new compound.
Direct combination reaction
A reaction whose produdts are at a lower energy level than the starting materials.
Exothermic reaction
Type of reaction; molecule of water is added.
Hydrolysis
5 steps of the scientific method
1)Scientific question
2)Gather information
3)Form a hypothesis
4)Experiment and test the hypothesis
5)Revise hypothesis and form a conclusion.
The products of a neutralization reaction are always _______ and ________.
Water and a Salt.
Speeds up a chemical reaction
Catalyst