The net force acting on this object
What all waves carry.
What is energy?
Kepler's Laws of motion state that when planets are closer to the sun, they move this way.
What is faster?
Two differences between oceanic and continental crust.
What is the oceanic crust is thinner, denser, and made of basalt?
The name of this diagram.
What is the rock cycle?
A definition and example of a non-contact force.
What is a force that can act without touching? Examples: gravity, electricity, magnetism
A fish looking at an insect in the air, but misjudges its location. The wave behavior responsible for this.
What is wave refraction?
How we can tell other stars and galaxies are moving away from our solar system.
What is the red shift, showing that the star's electromagnetic wavelengths are increasing?
The layer of the Earth that is solid and metallic, made of iron and nickel.
What is the inner core?
What is the oceanic crust sinks under the continental crust, trenches form off coast and volcanoes and mountains form on land?
The letter representing an object that is accelerating the most.
What is letter A?
A band student says these are the two ways to produce a sound wave that has more energy.
What is play louder (increase amplitude) and a higher note (increase frequency)?
The source of new elements in our universe and where this happens.
What is nuclear fusion in the core of stars?
The two things that increase as you go deeper into the Earth.
What are pressure (density) and heat?
The location and activities that happen in the Ring of Fire.
What is the Pacific Ocean, volcanic eruptions, and earthquakes?
The forces are balanced when at object is in these two states, according to Newton's First Law.
What is at rest OR at constant velocity?
Two ways humans use the electromagnetic spectrum.
What are ______ (many examples)?
One piece of evidence that supports the Big Bang Theory.
What are cosmic microwave radiation, all other galaxies moving away from us, and the abundance of hydrogen and helium?
The reason why tectonic plates move.
What are the convection currents of the asthenosphere?
Name the three characteristics of an index fossil.
What are abundant, widespread, and short-lived?
The name of this object and the type of energy it produces.
Hint: starts with chemical energy that is converted to an electrical current.
What is a motor and mechanical (or kinetic) energy?
An advantage of using digital signals instead of analog signals for communication.
What is digital signals can be stored (copied, edited) or are more accurate (clear, etc)?
The tides when the sun, Earth, and moon are aligned like this image:
What is more extreme (the low tides are lower and high tides are higher)?
The reason we know the outer core is liquid.
What are the S waves cannot travel through the outer core?
The order in which the rock layers formed, from oldest to youngest.
What is E, C, B, D, then A?