2.
Positively charged subatomic particle
3.
Negatively charged subatomic particle
4.
Neutral charged subatomic particle
5.
Contains the protons and neutrons at the middle of the atom
6.
a scientific framework that posits that all matter is composed of tiny, indivisible particles called atoms.
7.
a pure substance made of only one type of atom and can't be broken down by physical or chemical means
8.
a pure substance formed when two or more different elements are chemically combined
9.
a combination of two or more substances that are physically combined
10.
mixture of two or more substances, where a solute is completely dissolved in a solvent
11.
anything that occupies space and has mass
12.
substances that have pH scale of 0 to 6
13.
substances that have pH scale of 8 to 14
14.
how compact an object is
15.
amount of atoms or molecules in a matter
16.
the amount of space an object occupies
17.
also called the gravitational force
18.
is a change that happens in a fireworks
19.
is a change that happens when you cut papers
20.
performing the same experiment multiple times
21.
different group of people performing similar experiment from other group of people
22.
describes what happens in a phenomenon
23.
explains how and why a phenomenon happens
24.
a process of making food for plants
25.
in the process of photosynthesis plants produce oxygen and ____________
26.
A chemical process in which oxygen is used to make energy from glucose.
27.
Cellular respiration produces carbon dioxide, water, and _______.
