A glass bottle has a mass of 500g. When filled with water, its total mass is 1500g. What is the volume of the bottle? 1. Write down what is given (Dano): (standard density of water) 2. Find the mass of the water: 3. Apply the formula for Volume: Answer: The volume is (or 1 liter). Tips for Finding Quality GDZ Resources

Don't just copy the final number; make sure they explain why a specific formula was used.

Good resources will always show the conversion from grams to kilograms or centimeters to meters. Study Strategy

Attempt the problem for 10 minutes before looking at the GDZ.

The 7th-grade curriculum generally covers these four major areas: Measurement, atoms, and molecules. Movement and Force: Speed, mass, density, and gravity.