5th - Science Unit 1 Lesson 1 Vocab Flashcards
What is a material that cannot be broken down into any simpler substance through chemical reactions?
Element
What is anything that has mass and takes up space?
Matter
What is the smallest u it of an element that has the properties of that element?
Atom
What is the center of an atom, containing most of its mass?
Nucleus
What is a particle in the nucleus of an atom that carries one unit of positive electric charge?
Proton
What is a particle in the nucleus of an atom that has no electric charge?
Neutron
What is a particles in the space outside the nucleus of an atom that carries one unit of negative electric charge?
Electron
What is a particle that contains more than one atom joined together?
Molecule
What is a measure of the amount of matter in an object?
Mass
What is something that can be observed Bout an object or a group of object?
Property