Molecule
The chemical formula for water
What is H2O
Adhesion
What is water molecule sticking to another polar substance?
The property that allows pepper to float on water.
What is surface tension?
Create a pH scale. Label: Acidic, Basic, Neutral. Provide 1 example for each
Teacher check.
The property that allows you to filter muddy water into clean water
What is capillary action?
The oxygen atom in water is slightly ___________ and the hydrogen atoms is slightly __________.
What is negative, positive?
Heat Capacity
What is the energy needed to change the temperature of a substance?
Allows water to reach the tops of trees
What is Capillary Action?
the pH of pure water
What is 7?
What is a hydroxide ion?
Bond that holds water molecules to each other.
What is a hydrogen bond?
Surface Tension
What is resisting an external force. Allows things to float on top.
DAILY DOUBLE!!!
Makes a meniscus form (hint: 2 properties)
What is Adhesion & Cohesion?
substances that are a pH from 0-6.9
What is an acid?
What is more dangerous- An acid of 0 or a base of 14?
What is both?
Bond that holds a hydrogen atom to an oxygen atom
What is a covalent bond
Polarity
a partial negative charge near the oxygen atom and partial positive charges near the hydrogen atoms
Takes a lot of energy to change the temperature.
What is high heat capacity?
A weak acid or base that reacts with a strong acid or base to prevent a sharp change in pH
What is a buffer?
Why paper towels absorb water
What is adhesion
The reason it takes a lot of energy for water to boil.
What is hydrogen bonds continuously break and reform?
Non-polar
What is the electrons are shared equally by the atoms and there is no resulting charge
The molecule being slightly negative & slightly positive; The property that allows all other properties to exist
What is polarity?
substances that are a pH from 7.1-14
What is a base?
Daily Double!
Solid water is less dense than liquid water. Why?
What is the molecules form crystalline structures and expand?