'tions
What is defraction?
This is a table that shows the elements arranged in order of increasing atomic numbers.
What is the periodic table?
Bubbles are examples of light being this.
What is tdiffracted?
When the Mesopotamians looked at the stars, this type of science is called what?
What is astronomy?
This was the writing system of ancient Egyptians.
What are hieroglyphics?
This is a way of controlling water for farming.
What is irrigation?
This is the measure of how fast a wave is moving through a medium.
What is wave speed?
Light waves are known as this type of wave.
What is electromagnetic?
What is a compression?
Many artifacts have been found in this river valley to tell us information about the people living there including sculptures, bronze figures and terracotta figurines.
What is the Indus River Valley?
Moon gazing is interacting with waves in this way.
What is reflection?
This type of light is scattered more than other colors and travels as shorter and smaller wave resulting in the color of the sky.
What is blue light?
All atoms of the same element and have the same mass also take up the same of this.
What is space?
"What do you think would have happened if Johnson did not sign the civil rights laws into action" is an example of this type of question.
What is a compelling question?
This is the measure of whether or not a source is trustworthy and reliable.
What is credibility?
This is when a wave transfers its energy to the particles of the substance it comes in contact with.
What is absorption?
This happens when light rays come in and bounce off a white surface in all directions equally.
What is diffused scattering?
What are the famous structures built in Egypt that we still are not certain of how they were built?
What are the pyramids?
This civilization included cities with the names of Memphis, Alexandria, and Thebes.
What is Egypt?
This road became the main trade route for China.
What is the Silk Road?
Irrigation, the wheel and using bronze and iron metal to make weapons were forms of this by the Mesopotamians.
What is innovations or inventions?
This is the number of waves that pass a point in a specific amount of time.
What is frequency?
What time is morning meeting?
What is 9am?
This is the perceived change in pitch caused by the movement of the sound source or the listerner.
What is the doppler effect?
This was also known as the "Mother River"
What is the Yellow River?