Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
35 Cards in this Set
- Front
- Back
Physical Properties
|
Matter is anything that has mass and takes up space
|
|
Particle theory of matter
|
• all matter is made up of tiny particles• each pure substance has its own kind of particle which is different from the particles of other pure substances • attract each other• always movingMove faster at a higher temperature
|
|
Pure Substance
|
One kind of particle
|
|
Mixture
|
More than one kind of particle
|
|
Conductor
|
Allows the movement of electrons
|
|
Insulator
|
Does not let the electrons flow through it easily
|
|
Astronomical Distance
|
Distance between Earth and the sun
|
|
Types of energy
|
Light heat sound
|
|
Static electricity
|
Imbalance of electrons on a surface
|
|
Series circuit
|
I circuit which provides one path for the electrons to move
|
|
Parallel circuit
|
A circuit that provides more than one path for electrons to move
|
|
Fertilizers
|
Most common way to replace lost nutrients on farmland
|
|
Pesticides
|
Poisons that kill pests
|
|
Organic farming practices
|
•No tillage farming- The ground is left undisturbed after harvest• crop rotation- changing the crops planted on a certain area of land(reduce the amount of pesticides)
|
|
Melting
|
Changing from solid to liquid
|
|
Solidification
|
Liquid to a solid
|
|
Condensation
|
Changing from a gas to a liquid
|
|
Evaporation
|
Changing from a liquid to a gas
|
|
Sublimation
|
Changing from a solid to a gas
|
|
Deposition
|
Changing from gas to solid
|
|
Alkali metals
|
Group one. Low melting points that are soft. Extremely reactive
|
|
Alkaline earth metals
|
Group 2. Highly reactive but not as reactive as the alkali metals
|
|
Noble gases
|
Group 8. Odorless colorless gases at room temperature
|
|
Types of pesticide
|
Herbicides, insecticides, Rodenticides
|
|
Electrolysis
|
Separating a compound
|
|
Hubbles law
|
• each galaxy emits its own distinct spectrum of light• light spectrum shift depending on whether the light source is moving or stationary
|
|
Solution
|
Uniform mixture which seems like there's only one substance
|
|
Mechanical mixture
|
Mixture is distinctive
|
|
Isotope
|
Form of an element that has same number of protons as the other atoms of that element but a different number of neutrons.
|
|
Physical property
|
Characteristic of a substance that can be observed and measured without changing the identity of the substance
|
|
Qualitative
|
Observed and described without measurement
|
|
Quantitative
|
Measured and described by a particular value
|
|
Chemical property
|
Describe the ability of a substance to react with another substance to form one or more new substances
|
|
Ion
|
Positive or negatively charged atoms or molecules to form when atoms lose or gain electrons
|
|
Halogens
|
Group 7. highly reactive and extremely corrosive.
|