Look-up History
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Show words looked up
Word |
# |
Date |
Definition |
Site |
Level |
| mollusk |
1 |
today |
a member of a group of invertebrate animals that live in water. Most kinds of mollusks live in the ocean and have soft bodies covered by a shell. Snails, clams, squid, and octopuses are examples of mollusks. |
Kids |
Ch. |
| electricity |
1 |
today |
energy caused by the movement of electrons through matter. [3 definitions] |
Kids |
Ch. |
| ecosystem |
1 |
today |
a community of living things, together with their environment. |
Kids |
Ch. |
| advertise |
1 |
today |
to present as good or favorable in order to win people's business or support. [3 definitions] |
Kids |
Ch. |
| emotion |
1 |
today |
a strong feeling such as joy, hatred, sorrow, or fear. When one feels an emotion, there are physical changes such as an increase in pulse, crying, or trembling. [2 definitions] |
Kids |
Ch. |
| democracy |
1 |
today |
a form of government in which power rests with the people, either directly or through elected representatives. [2 definitions] |
Kids |
Ch. |
| love |
1 |
today |
strong feelings of affection for another person or thing. [5 definitions] |
Kids |
Ch. |
| virus |
1 |
today |
a tiny organism that can reproduce only in living cells. Viruses cause disease in humans, animals, and plants. [3 definitions] |
Kids |
Ch. |
| grain |
1 |
today |
the small hard seeds of cereal plants such as wheat or rice. Grain is used for food and often ground into flour. [4 definitions] |
Kids |
Ch. |
| tree |
1 |
today |
a woody plant that has a long main trunk and many branches. Trees usually grow quite tall. [4 definitions] |
Kids |
Ch. |