This liquid substance causes chemical weathering to rocks.
What is acid rain.
100
This takes 24 hours.
What is one rotation of the Earth on it's axis?
100
This law states that an object in motion will remain in motion until another force acts on it. Also, an object at rest will remain at rest until a force acts on it.
What is Newton's First Law of Motion.
100
As frequency of a sound wave decreases, this increases.
What is wavelength.
200
Carbon dioxide, water, and salt are examples.
What are compounds
200
The soil on the shore of a river decreases every year due to this process.
What is erosion
200
This moon phase shows only the right half of the Moon.
What is First Quarter.
200
mass x acceleration due to gravity x height is the equation for this.
What is gravitational potential energy.
200
We measure frequency with this unit.
What is Hertz.
300
mass divided by volume
What is the equation for density
300
This substance is created through weathering and erosion.
What is soil
300
The moon appears to change shape due to the position of these three bodies.
What is the Sun, Earth, and Moon.
300
Potential energy will increase if this also increases.
What is height of an object.
300
These are the three types of matter.
What are solid, liquid, and gas.
400
size, texture, odor, and color are examples.
What are physical properties
400
This type of land would protect a house from erosion
What is flat land or land with tree roots, vegetation, or rocks.
400
This is the cause of the changes in seasons on Earth.
What is the tilt of the Earth on its axis
400
Mixing baking soda with vinegar is an example of this type of potential energy being converted to kinetic energy.
What is chemical potential energy.
400
In a clear liquid, this will be 100%
What is transmittance of light.
500
chemical reactivity, flammability, number of electrons and protons are examples.
What are chemical properties
500
Dropping a piece of marble in hydrochloric acid is an example of this.
What is chemical weathering.
500
If the Earth was no longer tilted, this would be the result.
What is the end of 4 distinct seasons.
500
If light bulb wattage were to increase, this would also increase.
What is light intensity (or thermal energy)
500
If the angle of incidence is 45 degrees, this will be the angle of reflection.