Properties and elements
What is the law of conservation of mass?
Matter cannot be created or destroyed.... it simply changes forms
What is an inference?
Logical Interpretation of facts based on previous knowledge.
What are the four states of matter?
Solid, liquid, gas, and plasma
What's faster, the speed of light or the speed of sound?
Speed of light
Give me an example of homozygenous dominant.
Any two capital letters. (Ex: TT or RR )
Name at least 8 physical properties of matter.
Solubility, brittleness, hardness, texture, electrical conductivity, color, reflectivity, odor, magnetism, thermal conductivity, melting or freezing point, and boiling point.
Which is farther away? A mile or a kilometer
A miles
Rubbing two objects together generates what type of energy?
Thermal Energy
What does a wave do?
Transfers energy from one place to another.
What does SLANT stand for?
Sit up, Look, Ask on topic question, Nod, and Talk at appropriate times.
Is a phase change a physical or chemical change?
Physical Change
A substance has a mass of 60 grams and a volume of 5 cm. Calculate the density.
D= m/v
D= 60/5
D= 12 grams per cm
What is potential and kinetic energy?
Potential - Energy an object has due to its position
Kinetic - Energy an object has due to its motion
Name the 5 different parts of a transverse wave.
Frequency, wavelength, trough, crest, and amplitude.
What does a geological column tells us?
Name the 5 different chemical properties.
Flammability, rust, tarnish, luster, and acidic or basic.
Mass - Grams
Volume - Liter
Length - Meter
Name the 6 different phase changes.
Melting, freezing, condensation, evaporation, sublimation, and deposition.
What's the difference between the genotypes and phenotypes?
Genotype- letter combination that make up the trait.
Phenotype- Physical trait (observable)
Tell me 5 random traits you would use to describe someone.
Freckles, Dimples, Hair color, Hair type, Tongue folding, earlobes, widows peak, interlace fingers, pinkies, ties, PTC paper test, etc.
What is the difference between compounds and mixtures?
Compounds - made up of 2 of more pure substances that are chemically combined
Mixtures - made of 2 of more different substances NOT chemically combined
What are the 3 different scientific variables and what are they?
Controlled- Anything held constant (stays the same)
Independent - Variable changed by you
Dependent - Measured during the experiment (Data)
Kinetic - Motion
Potential - Position
Chemical - energy stored in atoms and molecules
Electrical - energy derived from electronically charged particles
Light - a kind of kinetic energy with the ability to make types of light visible to human eyes.
Mechanical - the energy that is possessed by an object due to its motion or due to its position
Thermal - rise in temperature causes atoms and molecules to move faster and collide with each other
Nuclear - use of nuclear reactions to produce electricity
What is the possibility the child will come out with curly hair in this Punnett square? Curly hair is recessive.
Mom - Cc
Dad - Cc
25% or 1 out of 4 boxes
What 6 things does each element need to have?
Protons, electrons, neutrons, mass number, atomic mass, and atomic number