Covers chemical reaction and indicators of a chemical reaction.
Zinc and hydrochloric acid are combined in a flask and placed in the experimental set up shown below. Move the timer by dragging the red dot in order to observe what happens to the experiment over time.
Illustrates the indications of chemical change by showing reactions that represent examples of each.
Reviews various indicators of a chemical reaction.
Practice Recognizing Chemical Reactions questions
To predict the main ideas of the text based on context clues, to generate questions about a given topic and to organize and review the knowledge learned about the topic using the SQ3R strategy.
Learn about the similarities between laboratory chemistry and cooking in the kitchen.
Goes over four visual indicators that a chemical reaction has taken place: formation of a precipitate, color change, gas formation, and temperature change.