Lab Safety/Scientific Method
In a science experiment, the dependent variable is the cause. True or false
False
How do seismic waves allow scientists to determine the composition of Earth's Layers?
The waves are traveling at different speeds, showing the layers have different compositions
What eon do we live in right now?
Phanerozoic
What were the two most common elements created during the Big Bang?
Hydrogen and Helium
What force binds our galaxy together?
Gravitational force
Flammable materials, like alcohol should never be dispensed or used near...
An open flame
How are Earth's lithosphere and asthenosphere different from one another?
They have different physical and mechanical properties (one is solid and the other is semi-solid)
Stromatolites are a type of
Cyanobacteria, responsible for adding O2 to the atmosphere
In the first few moments after the Big Bang, the universe was
Hot and dense
How is the age of the solar system estimated by scientists by....
Dating radioactive elements
If acid is splashed on your skin, wash it at once with
How do fossil records support the continental drift theory?
Fossils of the same type are found on continents that were once together
Cenozoic era is also known as the age of
Mammals
Universe, galaxy, solar system, sun
Stars of which color has the coolest surface temperature?
Red
What are the steps of the scientific method?
Please list them in order
Wegener proposed the theory of continental drift around 1912. Which of these components of this theory is now known to be false?
The moon's gravity and Earth's spin can move the continents
The study of Earth's solid materials and structures, and the processes that create them.
Geology
What are the three shapes of galaxies?
Spiral, elliptical, and irregular
Which characteristic of a planet demoted Pluto?
Pluto was not able to clear out its orbit
What is considered the "statement of the problem"
Hypothesis
What are the two types of tectonic plates?
Continental and oceanic
What are the layers of the Earth? List them
inner core, outer core, mantle, and crust
The closest galaxy to ours is the:
Andromeda galaxy
How many moons does Mars have?
2