To dry bell peppers in an oven, preheat the oven to 140 degrees Fahrenheit. Spread the sliced peppers in a single layer on a baking tray and put the trays in the oven.To ensure the heat is maintained between 145 and 150 degrees, place an oven thermometer on the tray.
168 Unit 2: The Structure of Matter. Solids have a definite volume and shape. A piece of ice,a block of wood,and a ceramic cup are solids.They. have shapes that do not change and volumes that can be measured. Any matter that is a solid has a definite shape and a definite volume. The molecules in a solid are in fixed positions and are close together.Although the molecules can still vibrate,they cannot move from one part of the solid to another part.As a result,a solid does not easily change its shape or its volume.If you force the molecules apart, you can change the shape and the volume of a solid by breaking it
Flowing. Liquids and gases do not have a fixed shape. They can flow and fill their containers, but solids cannot. The particle model explains why. Solids. Solids cannot flow because their particles are only able to vibrate and cannot move from place to place. Liquids. Liquids can flow because their particles can move over each other. When water is poured into a glass, the particles of water move over each other and into the corners of the glass. The particles keep on moving over each other as the water takes the shape of the glass. The animation shows how this works.