B. Complete the paragraph by filling up the blanks. Heat is a form of owdow. It causes changes in the. -) or br their particles move quickly and take up more objects to which happens when heat is removed. je wel w OG of materials. When objects are heated, This causes the The opposite of expansion is Heat also causes phase changes. is a process in which solids turn where liquids to liquids by the addition of heat. Its opposite is change into solids by cooling. The other two phase changes resulting from the addition or removal of heat are: evaporation and Lastly, heat changes the temperature of an object. The temperature. when there is more heat in the surroundings. Its temperature when heat is less. Matter 35​