WorksheetsEarth's History
Total questions: 25
Worksheet time: 20mins
Which Era is the Age of Humans?
Precambrian Time
Paleozoic Era
Mesozoic Era
Cenozoic
Which Era ended in a mass extinction because of oxygen?
Precambrian Time
Paleozoic Era
Mesozoic Era
Cenozoic
Which Era is known as the Explosion of Life? This is where many life forms evolved.
Precambrian Time
Paleozoic Era
Mesozoic Era
Cenozoic
Which Era is known as the age of reptiles?
Precambrian Time
Paleozoic Era
Mesozoic Era
Cenozoic
Which Era has not ended? It is the present day.
Precambrian Time
Paleozoic Era
Mesozoic Era
Cenozoic
Which Era ended because of volcanic activity and an asteroid or meteor hit Earth?
Precambrian Time
Paleozoic Era
Mesozoic Era
Cenozoic
Which Era ended because of the supercontinent forming causing dry climate?
Precambrian Time
Paleozoic Era
Mesozoic Era
Cenozoic
What evolved from amphibians?
reptiles
invertebrates
vertebrates
dinosaurs
What evolved from invertebrates?
reptiles
invertebrates
vertebrates
dinosaurs
What evolved from reptiles?
reptiles
invertebrates
vertebrates
dinosaurs
The first form of life came from the
ocean
land
space
comet
Scientist believe water came to Earth from a
ocean
land
space
comet
The interior of Earth was so hot lava spewed out of it. The lava eventually cooled down creating the first ...
ocean
land
space
comet
An animal that produces milk from glands is called _____
amphibian
reptile
mammal
photosynthesis
Organism use the energy from the sun to create food. This process is called ______.
amphibian
reptile
mammal
photosynthesis
An animal that can live part of its life on land and part of its life in water is called ______.
amphibian
reptile
mammal
photosynthesis
When a large amount of species died this is called ______
Evolution
Mass extinction
Geological Timescale
A record of events and life forms in Earth’s History.
Evolution
Mass extinction
Geological Timescale
The process by which all the different kinds of living things have changed over time.
Evolution
Mass extinction
Geological Timescale
What is the continuous process called where rocks change from one type to another over time?
(a)
What type of fossil is useful for dating rock layers because it comes from a species that was widespread but only existed for a short time?
(a)
What system do scientists use to divide Earth’s history into different time units based on major events?
(a)
What is the event called when an entire species disappears from Earth?
(a)
What method do scientists use to determine if a rock or fossil is older or younger than others without knowing its exact age?
(a)
What are preserved remains or traces of past life called?
(a)
