The document defines several key scientific concepts including matter, mass, weight, force, gravity, volume, meniscus, density, and lists several related labs. Matter is anything that takes up space and has mass. Mass is the amount of matter in an object, while weight is a measure of gravitational pull. Density is a property relating an object's mass to its volume.

2. Matter: Anything that takes up space and has mass. The “stuff” that everything is made of. Mass: The amount of matter in an object. Weight: A measure of the pull of gravity on an object. Force: A push or a pull Gravity: The force of attraction by which objects tend to fall toward the center of the earth.

3. Volume: The amount of space an object takes up. Meniscus: Point at the bottom of the curve of liquid in a graduated cylinder Density: A specific property of matter that is related to its mass divided by the volume D=M/V

6. Making Cents Lab Volume Lab Density Cubes Lab Calculating Density Practice Calculating Density Quiz