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