Sixth Grade - Who Would Win?

Britannica School General reference resource for multiple age groups.
PK Life Science Inspires elementary and middle school learners about key life science topics including animals; classification; endangered and extinct species; food chains and food webs; green living; habitats and ecosystems; the human body; life cycles; plants; and survival and adaptation.
FactCite: Science and Technology Illustrated coverage of the Elements, Planets, Ecosystems, Animals, and Plants. For grades 4 to 9.
PebbleGo Animals Research information that supports animal classification, behaviors and habitats.
PebbleGo Next Science More than 150 articles correlated to the Next Generation Science Standards (NGSS) explore essential topics across Earth, life and physical sciences including: atmosphere, geosphere, hydrosphere, the solar system, genetics, human anatomy, ecosystems, adaptation, energy, forces and motion, matter, and waves. Hard to find information regarding jobs in science and explorations of the process and practice of science and engineering are also included. Each article is supported by a related activity, a research project template, and questions to encourage critical thinking. Also includes read-aloud audio for every article and a selection of video experiments.
World Almanac for Kids - Elementary