fossil - the preserved remains of once living things, mold - a hollow area in sediment in the shape of an organism or part of an organism, cast - solid copy of the shape of an organism, petrified fossil - fossil in which minerals replace all or part of the organism, carbon film - a fossil formed from an extremely thin coating of carbon on rock, trace fossils - fossilized evidence of organisms, extinct - an organism that no longer exists, relative age - the age of rock compared to the ages of other rock, absolute age - the number of years that have passed since a rock formed, extrusion - lava that hardens at the surface, intrusion - magma pushing through existing rock layers and hardening, fault - a break in the Earth's crust, index fossil - a fossil that can help determine the relative age of the rock, radioactive decay - the atoms of one element break down into the atoms of other elements, helping age rocks, half-life - the time it takes for half of the radioactive atoms in rock to decay, geologic time scale - a record of the geological events in Earth's history, mass extinction - a time when many types of living things become extinct at the same time.,
0%
Fossils and Rock Dating
共享
由
Cmulligan
编辑内容
嵌入
更多
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:
?