Rain, snow, hail, and sleet are forms of precipitation. A cloud is a large collection of tiny water droplets formed around dust particles. Weather maps use symbols that indicate high and low pressure systems, fronts, wind flow, forms of precipitation and temperature. People can take actions to protect themselves from severe weather. People of different races, cultures and genders have developed technology to study and predict the weather.
Light is a form of energy.
White light is composed of colors that can be revealed and separated using a prism. Light travels in straight paths. Reflection, refraction, and absorption are properties of light. Concave and convex lenses can change the path of light. People use a process to design and develop a product.