100 Words Related to Nature

No.	Term	Definition
1.	Abyss	Deep, dark ocean depth.
2.	Acorn	Nut of an oak tree.
3.	Aerial roots	Roots growing above ground.
4.	Algae	Simple aquatic plant-like organisms.
5.	Alpine	Relating to high mountains.
6.	Amazon rainforest	Vast South American rainforest.
7.	Amphibian	Animal living on land and water.
8.	Anemone	Sea animal with stinging tentacles.
9.	Antler	Branched deer head bone.
10.	Aquifer	Underground water-bearing rock.
11.	Bamboo	Fast-growing woody grass.
12.	Bark	Outer covering of a tree.
13.	Basin	Low area draining water.
14.	Biodiversity	Variety of living species.
15.	Bioluminescence	Light produced by organisms.
16.	Blizzard	Severe snowstorm with wind.
17.	Bog	Wetland with acidic peat.
18.	Boulder	Large rounded rock.
19.	Breeze	Light, gentle wind.
20.	Brook	Small natural stream.
21.	Canopy	Upper layer of forest.
22.	Canyon	Deep valley with steep sides.
23.	Carbon cycle	Movement of carbon through Earth.
24.	Cave	Natural underground chamber.
25.	Chlorophyll	Green pigment for photosynthesis.
26.	Cliff	Steep rock face.
27.	Cloudbank	Mass of layered clouds.
28.	Compost	Decayed organic soil matter.
29.	Coral reef	Underwater ecosystem built by corals.
30.	Dandelion	Common yellow-flowered weed.
31.	Dawn	First light of day.
32.	Deciduous	Losing leaves seasonally.
33.	Delta	River mouth sediment landform.
34.	Dew	Water droplets on surfaces.
35.	Drought	Prolonged lack of rainfall.
36.	Dune	Hill of wind-blown sand.
37.	Earthquake	Sudden ground shaking.
38.	Ecosystem	Organisms interacting with environment.
39.	Erosion	Wearing away by wind or water.
40.	Estuary	Where river meets sea.
41.	Evergreen	Keeping leaves year-round.
42.	Feral	Wild, not domesticated.
43.	Fern	Leafy plant with fronds.
44.	Fjord	Narrow sea inlet between cliffs.
45.	Floodplain	Flat land beside river.
46.	Fossil	Preserved remains of ancient life.
47.	Frost	Ice crystals on surfaces.
48.	Galaxy	Huge system of stars.
49.	Geyser	Hot spring that erupts.
50.	Glacier	Large moving ice mass.
51.	Glade	Open space in a forest.
52.	Granite	Hard igneous rock.
53.	Grassland	Region dominated by grasses.
54.	Grove	Small group of trees.
55.	Habitat	Natural home of a species.
56.	Hail	Falling balls of ice.
57.	Hammock	Raised area in a wetland.
58.	Horizon	Line where earth meets sky.
59.	Hurricane	Powerful tropical cyclone.
60.	Hydrology	Study of water on Earth.
61.	Iceberg	Floating mass of ice.
62.	Igneous rock	Rock formed from cooled magma.
63.	Insect	Six-legged invertebrate animal.
64.	Intertidal zone	Area between high and low tides.
65.	Jungle	Dense tropical vegetation.
66.	Kelp	Large brown seaweed.
67.	Lagoon	Shallow water separated from sea.
68.	Landslide	Sudden downhill movement of earth.
69.	Lava	Molten rock at surface.
70.	Leaf litter	Dead leaves on ground.
71.	Lichen	Fungus and algae partnership.
72.	Lightning	Sudden electrical discharge in sky.
73.	Mangrove	Salt-tolerant coastal tree.
74.	Meadow	Grassland with wildflowers.
75.	Meteor	Streak of light from space rock.
76.	Mist	Fine water droplets in air.
77.	Monsoon	Seasonal wind bringing heavy rain.
78.	Moss	Small nonvascular green plant.
79.	Mountain	Large natural elevation of land.
80.	Mushroom	Fruiting body of a fungus.
81.	Nectar	Sweet liquid from flowers.
82.	Nightfall	Time when night begins.
83.	Nutrient	Substance needed for growth.
84.	Oasis	Fertile spot in desert.
85.	Ocean current	Large-scale moving seawater flow.
86.	Old-growth forest	Forest never significantly logged.
87.	Ore	Rock containing valuable minerals.
88.	Peat	Partly decayed plant material.
89.	Photosynthesis	Plants making sugar from light.
90.	Pinecone	Seed-bearing cone of pine.
91.	Pollen	Powder carrying plant sperm.
92.	Prairie	Temperate grassland plain.
93.	Rainbow	Arc of spectral colors.
94.	Raindrop	Single drop of rain.
95.	Rainfall	Water falling as rain.
96.	Reef	Ridge of rock or coral.
97.	Ridge	Long narrow hilltop.
98.	Riverbank	Land along a river.
99.	Savanna	Tropical grassland with scattered trees.
100.	Sea level	Average height of the ocean.