A) Fun science experiments using household items B) Advanced chemical theory C) Astronomy and space exploration D) Historical scientific discoveries
A) Carbon dioxide gas B) Oxygen gas C) Hydrogen gas D) Ammonia
A) Increased risk of injury B) Easy cleanup of spills C) Improved academic performance D) Requires expert supervision
A) Heating substances B) By mixing paints C) Using pH indicators D) Adding sugar
A) Glycerin and bleach B) Acetic acid and ethanol C) Baking soda and vinegar D) Vegetable oil and water
A) Photosynthesis B) Magnetic fields C) Nuclear fission D) Thermal expansion
A) Ignoring spills B) Using sharp objects C) Using non-toxic materials D) Working near electrical outlets
A) Decomposition reaction B) Oxidation-reduction C) An acid-base reaction D) Endothermic reaction |