Posted on April 16, 2022 (Updated on July 9, 2025)
How was the time scale and its divisions created?
Regional SpecificsThe time scale was developed through the study and observation of layers of rock and relationships as well as the times when different organisms appeared, evolved and became extinct through the study of fossilized remains and imprints. How was the time scale created? The geologic time scale was developed after scientists observed changes in the
Posted on April 16, 2022 (Updated on July 9, 2025)
What did Hutton and Lyell discover?
Regional SpecificsJames Hutton. Along with Charles Lyell, James Hutton developed the concept of uniformitarianism. He believed Earth’s landscapes like mountains and oceans formed over long period of time through gradual processes. What did Hutton and Lyell discover about Earth’s history? Hutton and Lyell concluded that the Earth is extremely old and that the processes that changed
Posted on April 16, 2022 (Updated on July 9, 2025)
What happens at a destructive plate boundary?
Regional SpecificsAt a destructive plate boundary (also called convergent boundaries) two plates move towards another. One plate is then pushed underneath the other. (It is the heavier plate that is forced beneath the lighter plate). The point at which one plate is forced beneath the other is called the subduction zone. What happens at a destructive
Posted on April 16, 2022 (Updated on July 9, 2025)
What were the dates of Darwin’s voyage?
Regional SpecificsCharles Darwin sailed around the world from 1831–1836 as a naturalist aboard the HMS Beagle. His experiences and observations helped him develop the theory of evolution through natural selection. When did Darwin’s voyage start and end? The vessel was commanded by British naval officer and scientist Robert Fitzroy and carried a crew, which included British
Posted on April 16, 2022 (Updated on July 9, 2025)
What should you do during an earthquake at work?
Regional SpecificsIf you are INDOORS — STAY THERE! Get under a desk or table and hang on to it (Drop, Cover, and Hold on!) or move into a hallway or against an inside wall. STAY CLEAR of windows, fireplaces, and heavy furniture or appliances. What are the 5 things to do during an earthquake? What to
Posted on April 16, 2022 (Updated on July 9, 2025)
Should I put lava rocks in my firepit?
Regional SpecificsDo you need lava rock in a fire pit? Some materials like hard rock, gravel, or sand weren’t meant to reach high temperatures and can spark and explode if your fire gets too hot. Instead, use lava rocks for your fire pit or lava glass beads as a filler for your fire pit. They are