(Question)
Q: What type of energy is possessed by autumn leaves before they fall? Read this paragraph and choose the correct option from the provided answers: Before leaves fall from trees in autumn, they have potential energy. Why do they have the potential to fall?. Choices: - mechanical energy - kinetic energy - radioactive energy - potential energy A:
(Answer)
potential energy

(Question)
Q: What state of matter is characterized by tiny particles separated by large distances, which do not experience any force of attraction or repulsion with each other? Read this paragraph and choose the correct option from the provided answers: Gases are composed of tiny particles that are separated by large distances. Gas particles are constantly moving, experiencing collisions with other gas particles and the walls of their container. The velocity of gas particles is related to the temperature of a gas. Gas particles do not experience any force of attraction or repulsion with each other. Choices: - steam - emissions - liquids - gas A:
(Answer)
gas

(Question)
Q: What type of reactions form compounds? Read this paragraph and choose the correct option from the provided answers: A compound is a unique substance that forms when two or more elements combine chemically. Compounds form as a result of chemical reactions. The elements in compounds are held together by chemical bonds. A chemical bond is a force of attraction between atoms or ions that share or transfer valence electrons. For a video introduction to compounds, go to this URL: http://www. youtube. com/watch?v=-HjMoTthEZ0 . Choices: - mineral reactions - consumption reactions - physical reactions - chemical reactions A:
(Answer)
chemical reactions