Properties of Water
This property makes water a good solvent for ionic (polar) salts
What is water's polarity
This macromolecule's monomers are amino acids, what are the polymers
What are proteins or polypeptides
This characteristic is described here: a dog hears an unfamiliar noise and barks
What is response to stimuli
These three subatomic particles make up the atom
This variable is the one that is measured in an experiment and is graphed on the Y axis
What is the dependent variable
This is why ice floats
What is water's low density as a solid compared to it as a liquid (crystalline structure of molecules)
The function of this macromolecule is to provide the structure of plant cells, what is the macromolecule's general name and the name of the plant structure molecule
What are carbohydrate and cellulose
This characteristic of life describes an organism getting larger
What is Growth (as part of growth and development)
The weak attractions between water molecules are called
What are hydrogen bonds
What are three requirements for a good controlled experiment?
What are: an independent variable, a dependent variable, controls, constants, repeated trials, etc
This property of water allows a paperclip to float on the surface of water
The monomers of nucleic acids
All living things are made up of these
What are cells
This is formed by a group of atoms held together by covalent bonds (can be the same element)
The steps of the scientific method
What are 1) observe and ask a question
2) do background research
3) construct a hypothesis
4) design a controlled experiment
5) gather & analyze data from the experiment
6) draw conclusions
7) communicate results
These properties of water allow it to move up the tissues of plants
What are adhesion and cohesion - leading to capillary action
The three components of a nucleotide are
What are a five carbon sugar, nitrogenous base and phosphate group
The characteristics that relates to the hereditary information that all living organisms carry
What is all living things have DNA
This number tells us the number of protons and electrons in a stable element
What is the atomic number
2456 cm = _____________ meters
What is 24.56 meter
This property of water is why it does not mix with oil
What is water is a polar molecule - it doesn't mix with non-polar molecules
The cell membrane is made up of these macromolecules
What are phospholipids
This characteristic allows organisms to maintain relatively constant internal conditions
What is maintaining homeostasis
In this type of bond electrons are shared and in this type of bond they are transferred from one atom to the other (your answer should be two different types of bonds)
The name of Sheila's dog
What is Huck