Inquiry
Metric units for measuring liquid volume
What is Liter
Anything that has mass and occupies space
What is matter
Forces that hold atoms together
Electromagnetic forces
How the elements on the periodic table arranged
According to atomic numbers (or the number of protons)
The ability to cause change
What is energy?
The Scientific Method always starts with:
What is a question that is based on observation, evidence or reason
small particles that make up all matter
What are atoms?
Shape, density, solubility, odor, melting point, boiling point, and color
What are physical properties of matter?
Number of known elements
What is over 118?
Two states of energy
What are potential and kinetic?
Potential: energy based on position or chemical composition
Kinetic: The energy of motion
Used to establish a standard for comparing the results of manipulating the independent variable
What is control?
Name the states of matter (4)
What are solid, liquid, gas and plasma
Two or more elements that are chemically combined in a fixed ratio.
What is a compound?
Two or more substances that are not chemically combined are a mixture. Trail mix
Equivalent to the number of protons and neutrons in the atom of an element
What is atomic mass?
Energy of sound
Mechanical energy
O Kelvin or -273 C
What is absolute zero?
Matter found in stars and neon signs
What is plasma?
The chemical composition of the substance does not change
What are physical changes?
think: Paper example
chemical composition changes and different substances are formed
Electrons in the outer energy level of an atom
What are valence electrons?
The energy of visible light
What is radiant energy?
The physical properties that allow some metals to be flattened or shaped
Malleability
Subatomic parts of an atom
Happens when a metallic element reacts with a non-metallic element
What is ionic bonds are formed?
Two-nonmetals create covalent bonds
Atomic Mass
What is the number of protons plus the number of neutrons?
How thermal energy is transferred
Conduction (direct)
Convection (movement)
Radiation (electromagnetic radiation)