Forces
Waves
Space
Earth: Inside
Earth: Outside
100

The net force acting on this object

What is 50 Newtons to the left
100

What all waves carry.

What is energy?

100

Kepler's Laws of motion state that when planets are closer to the sun, they move this way.

What is faster?

100

Two differences between oceanic and continental crust.

What is the oceanic crust is thinner, denser, and made of basalt?

100

The name of this diagram.

What is the rock cycle?

200

A definition and example of a non-contact force.

What is a force that can act without touching? Examples: gravity, electricity, magnetism

200

A fish looking at an insect in the air, but misjudges its location. The wave behavior responsible for this.

What is wave refraction?

200

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?

200

The layer of the Earth that is solid and metallic, made of iron and nickel.

What is the inner core?

200
Two things that happen at a convergent subduction boundary.

What is the oceanic crust sinks under the continental crust, trenches form off coast and volcanoes and mountains form on land?

300

The letter representing an object that is accelerating the most.

What is letter A?

300

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)?

300

The source of new elements in our universe and where this happens.

What is nuclear fusion in the core of stars?

300

The two things that increase as you go deeper into the Earth.

What are pressure (density) and heat?

300

The location and activities that happen in the Ring of Fire.

What is the Pacific Ocean, volcanic eruptions, and earthquakes?

400

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?

400

Two ways humans use the electromagnetic spectrum.

What are ______ (many examples)?

400

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?

400

The reason why tectonic plates move.

What are the convection currents of the asthenosphere?

400

Name the three characteristics of an index fossil.

What are abundant, widespread, and short-lived?

500

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?

500

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)?

500

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)?

500

The reason we know the outer core is liquid.

What are the S waves cannot travel through the outer core?

500

The order in which the rock layers formed, from oldest to youngest.

What is E, C, B, D, then A?