Grade 6 Chapter 6 Flashcards
The measure of the pull of gravity on an object
Weight
Anything that takes up space and has mass
Matter
The amount of matter that makes up an object
Mass
The amount of matter in one unit of volume
Density
The tiny particles of which all matter is composed
Atoms
The tiny, extremely dense core at the center of an atom
Nucleus
The tiny particles that swarm at tremendous speed around the core of an atom
Electrons
The metric unit that is used to measure an object’s mass
Gram or kilogram
The two particles that make up the nucleus of an atom
Proton and neutron
Most metals are solid liquid or gas?
Solid
The densest of everyday metals
Lead
The semi metal used to make computer chips
Silicon
The only metal that is liquid at room temperature
Mercury
The element that is the basic building block of all compounds
Carbon
A very hard metal which is an important ingredient in stainless steel
Nickel
The halogen that is added to toothpaste and drinking water
Fluorine
The halogen that is useful as a bleach and germ killing agent
Chlorine
The halogen that is added to table salt to prevent a deficiency disease
Iodine
The colorless odorless gas that makes up 78% of the Earth’s atmosphere
Nitrogen
Highly reactive elements that tend to form compounds with alkali and alkaline earth metals
Halogens
The simplest kind of atom with one proton and one electron
Hydrogen
Formed by electrons that are in orbit the same distance from the nucleus
Shell
The number of protons an atom has
Atomic number
Formed by electrons zooming around the nucleus of an atom
Electron cloud
