Fossil - the remains of an organism preserved in rock, Paleontologist - a scientist who studies fossils, Petrified Remains - when the hard parts of an organism are replaced by minerals, Mold - an imprint when a fossil dissolves, Cast - a fossil when a mold fills up, Carbon Film - the pressed outline of a fossil, Trace Fossil - a fossil that is indirect evidence of living things, Law of Superposition - In sedimentary rock layers, young rocks are on top and older rocks are on the bottom, Relative Age - Measuring the age of a rock by what happened 1st, 2nd, 3rd, Absolute Age - The actual date a rock formed, Index Fossil - A fossil used to find the age of a layer of rock, Radioactive decay - When an element breaks down into another element, Half-Life - the time it takes for half a radioactive element to decay, Era - Huge section of geologic time, Period - a division of time in an era, Epoch - a division of time in a period,
0%
FOSSILS AND GEOLOGIC TIME
共享
由
Porbell
6th Grade
7th Grade
8th Grade
Science
编辑内容
嵌入
更多
作业
排行榜
显示更多
显示更少
此排行榜当前是私人享有。单击
,共享
使其公开。
资源所有者已禁用此排行榜。
此排行榜被禁用,因为您的选择与资源所有者不同。
还原选项
匹配游戏
是一个开放式模板。它不会为排行榜生成分数。
需要登录
视觉风格
字体
需要订阅
选项
切换模板
显示所有
播放活动时将显示更多格式。
打开成绩
复制链接
QR 代码
删除
恢复自动保存:
?