material is something you need and like the materials needed for this project are and equipment is also something you need or have like the equipment needed for this activity is, so they are both the same thing and are synonyms.
The amount of Heat that a substance contains is in direct relation to its Kinetic Energy. Kinetic energy is also called the energy of Motion.The hotter a substance, the more is its kinetic energy and...
Equipment and instruments.
While all instruments are equipment, not all equipment are instruments.
From the American Heritage Dictionary:
equipment, apparatus, gear, materiel, outfit,...