Term | Definition |
Hazardous material | substances that are dangerous and may be unsafe to living organisms |
Observation | Using your 5 senses to gather information around you |
Corrosive | Damage caused by a chemical (Eating away at an object) |
Radioactive | When a substance decomposes to another substance and releases energy (radiation) |
Explosive | Something that blows up/ explodes |
Acidic | Ph between 6.9-0. 0 being most basic and 6.9 being closest to neutral |
Basic | Ph between 14-7.1. 14 being most basic and 7.1 being closest to neutral |
PH scale | Scale used to measure the acidity of a substance |
mixture | two or more substances phsically combined |
Biohazard | something hazardeos that can cause harm to any living organism |
Matter | everything that surrounds you |
mass | how much substance is present (GRAMS) |
volume | Amount of space occupied by it's substance (LITERS) |
Density | amount of mass per volume |
Atom | Molecules (all matter) is made of atoms-smallest particle of a substance retaining or keeping the chemical property of that substance (neutrons, protons, electrons) |
Element | A pure substance made of 1 type of atom. All atoms of a given substance have the same number of protons |
Compound | A pure substance made of 2 elements combined in definite proportion |
Solid | any form of matter with a definite volume and a definite shape |
Liquid | any form of matter that has a definite form of volume but no definite form of shape |
Gas | form of matter with no definite volume of shape |
Dilute | adding water to make something less concentrated |
Density formula | D=G/L |
Mass mesurment | grams |
Volume mesurment | LITERS |
5 elements | Hydrogen, Oxygen, Nitrogen, Lithium, Carbon, Copper |
3 compounds | Propane, Propene, Water |