South-western GED Exercises: Science |
Contents
Humans and the Environment | 20 |
Earth Science | 38 |
Chemistry | 52 |
Copyright | |
2 other sections not shown
Common terms and phrases
alpha particles amino acids ammonia amount Analysis animals antibiotics Application areas atom bacteria biologists birds blood body bone carbon dioxide cause chemical reaction Choice cholesterol cold fusion color color-blind compost pile compound Comprehension contains Contractile vacuoles cowbird crust dandelions decreases diagram disease dissolved Earth eggs electricity electrons elements energy Evaluation exothermic reaction flowers following information following statements force friction frog fulcrum gases gene genetically engineered graph grow human incorrect increases indicates Items layer lever light liquid living things low tide mantle metal molecules move muscles neutrons nucleus omega-3 Optional Writing Activity organisms oxygen p-type semiconductor passage Pb Pb Pb Pb U Pb percent petrified materials plants potassium nitrate potato produced proteins protostar red giant rockweed seeds smell sodium sodium chlorate solar cells solubility solution sparrows spring star substance sugar surface temperature trace fossils true waves weight whooping cranes