DinaOmarah1

animals water air gas liquid solid dams endangered drought flood space ocean désert rain forest digital balance mass food shelter snow scientific method sun trenches submarine cannyon rift valley mid ocean ridges abyssal plains sea mount continental shelf continental rise continental slope stationary front warm front cold front air mass dinosaurs saber tooth tiger mammoth extinct change habitats beavers trees plants fire underground water ice bergs glaciers ponds rivers lakes oceans seas salt water fresh water reservoirs aqueducts wells antarctica grassland flower roots leaves stem community population diseases natural disasters soil light hibernation migration nocturnal mimicry camouflage water cycle evaporation condensation cumulus stratus cirrus blizzard hurricane storm tornado lightening thunder gases liquids volume properties shape solids cold wet hotel dry tropical temperate forest wetland climate change summer winter birds cats dogs producer prey predator energy matter heavy balance omnivores carnivores herbivores ruler thermometer anemometer rain gauge habitat sleet rain hail weather frog metamorphosis different life cycles shadows apparent motion earth natural resources reduce recycle reuse simple machines