WorksheetsPhysical Science Spetember 16-21 (7th)
Total questions: 8
Worksheet time: 6mins
Matter that has only one kind of atom. These are located on the periodic table.
molecules
atoms
elements
compounds
An element found only in nature.
molecule
atom
compound
natural element
A substance that is formed when atoms of two or more elements join together. Salt is an example of this.
molecule
atom
element
compound
A picture, an idea, or an object that is built to explain how something works.
model
atom
element
NA
The center part of an atom. This is where the protons and neutrons are located in an atom.
atom
proton
neutron
nucleus
A tiny particle in the nucleus of an atom. These particles have a positive charge.
neutron
proton
electron
atom
A tiny particle of an atom that moves around the nucleus and has a negative charge.
electron
proton
nucleus
neutron
A tiny particle located in the nucleus that is similar in size to a proton.
proton
nucleus
electron
neutron
