Look-up History
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Show words looked up
Word |
# |
Date |
Definition |
Site |
Level |
| chemistry |
1 |
today |
the science that studies the form and function of basic elements and their compounds. [2 definitions] |
Kids |
Int. |
| amphibian |
1 |
today |
a small animal that spends part of its life cycle in water and part of its life cycle on land. Amphibians hatch in water and breathe with gills. Then they develop lungs so the adults can breathe air. Amphibians are cold-blooded animals with skeletons inside their bodies. Frogs, toads, and salamanders are amphibians. [2 definitions] |
Kids |
Int. |
| belief |
1 |
today |
a strong opinion. [3 definitions] |
Kids |
Int. |
| tundra |
1 |
today |
one of the huge plains in the arctic regions of North America, Europe, and Asia. Trees do not grow on tundra. |
Kids |
Int. |
| endangered species |
1 |
today |
a species of plant or animal that is in danger of becoming extinct. |
Kids |
Int. |
| music |
1 |
today |
sound with tones and rhythm that can be listened to and enjoyed. Music can be made by voices or instruments. [4 definitions] |
Kids |
Int. |
| geology |
1 |
today |
the study of the physical structure of the earth and how it has changed over time. Geologists gain this knowledge by studying rocks. Some geologists study other planets. [2 definitions] |
Kids |
Int. |
| measurement |
1 |
today |
the act or process of measuring. [2 definitions] |
Kids |
Int. |