Scientific Method
A statement that is a prediction in science is known as a…..
Hypothesis
Rows in the periodic table are called?
Periods
This property refers to the amount of matter in an object
Mass
A fan plugged into a wall is experiencing this type of transformation
Electrical to Mechanical (or Kinetic)
What is the range of the pH scale?
0-14
Scientific explanations should be based only on….
Evidence
Columns in the periodic table are called
Groups or families
This property describes whether or not an object will allow heat or electricity to pass through
Conductivity
Batteries and food contain this type of energy
Chemical Energy
Bases taste and feel
bitter, feel slippery
The variable that is tested and manipulated on purpose is called ______________
Independent Variable
Where are protons and neutrons located in the periodic table
In the nucleus
This physical property refers to an objects ability to dissolve
solubility
What type of energy is produced by the Sun or any light?
Light (Solar) energy
This substance is associated with what color?
RED
Scientists make these to better understand things they cannot normally study
Models
What are the subatomic particles and their charges?
Protons (+), Neutrons (0), Electrons (-)
This physical property refers to a certain type of attraction. Usually held by Iron, Nickel, and cobalt
Magnetism
Describe the Law of Conservation of energy
Energy cannot be created or destroyed, but it can be transformed
This substance can be found in lemon juice and vinegar
Acids
How is replication and repetition different
Repetition is repeated trials in the same experiment and replication is when another scientists recreates the experiment
What do elements in the same column have in common?
They react similarly and have the same amount of valence electrons
How are solute and solvent different?
Solute is the object being dissolved and solvent is the substance that dissolves the solute.
What kinds of energy transformation occurs when a car is driving down a highway? (you must identify all types of energy in this example)
Chemical energy to Mechanical, Sound, and Heat
What two neutral substances are created when an acid and a base are mixed in equal parts?
Salt and Water