8th Grade Science - Chemistry Crossword Puzzle

QUESTIONS LIST:

• mass : the amount of matter or stuff that makes up and object.
• liquid : the state of matter in which the molecules slide past each other and move at a medium speed.
• gas : the state of matter that has indefinite volume and shape and in which the molecules move very fast with the highest energy.
• qualitative data : information gathered through observation that describes the quality of an object: color, shape, texture - not measured or numerical.
• element : a pure simple chemical that cannot be broken down into any other substances. it only has one kind of atom.
• molecule : two or more atoms of an element chemically combined.
• compound : a substance made of two or more different elements chemically combined in a specific ratio or proportion.
• chemical bond : the force of attraction that holds two atoms together to make a molecule or compound.
• solid : a state of matter in which both the shape and volume are definite.
• proton : a positively charged particle found in the center of an atom.
• matter : anything that has mass and takes up space.
• phenomenon : something that can be observed and studied that is unusual or difficult to understand.
• chemical formula : a code that tells scientists the number of atoms of each element that go in a molecule or compound.
• quantitative data : information gathered through measurement or calculation.
• electron : a negatively charged particle found on the energy levels around the nucleus.
• mixture : something that is made of two or more things that are mixed together physically.
• atom : the smallest possible unit of a chemical element.