Vocabulary
energy, heat energy, sound energy, mechanical energy, motion, kinetic energy, position, speed, distance, light, prism. wavelength, frequencies. reflection, refraction, concave, convex, electromagnetic, light, reflect, reflection, refract, refraction, transparent, medium, disperse, scatter, emit, opaque, transmission, surface, force, acceleration, velocity, net force, inertia, vector quantity, force, push, pull, motion, angle, distance, weight, mass, Newtons 1st Law, Newtons 2nd Law, gravity, acceleration, force, energy, kinetic energy, potential energy, gravitational potential energy, electrical energy, contact force, force field, galaxy, gravity, spiral galaxy, constellation, spiral galaxy, elliptical galaxy, irregular galaxy, light year, pattern of motion, pendulum, push, pull, force, motion, inclined plane, attraction, gravity, gravitational attraction, gravitational force, position, distance