Light and Energy
Light travels in these.
What are waves?
Soft materials like foam tend to ______ sound.
What is absorb?
This must happen for a contact force to occur between two objects.
What is touching?
Opposite magnetic poles do this.
What is attract
This occurs when Earth’s shadow falls on the Moon.
What is a lunar eclipse?
What are cells?
This type of energy is the energy of motion.
What is kinetic energy?
This determines how loud or soft a sound is.
What is amplitude?
When two objects hit each other, it is called this.
What is a collision?
This region around a magnet is where magnetic forces can act.
What is a magnetic field?
This occurs when the Moon blocks sunlight from reaching part of Earth.
What is a solar eclipse?
This tool is used to view cells that are too small to see with the naked eye.
What is a microscope?
When light cannot pass through an object at all, the object is this.
What is opaque?
This measures how many waves pass a point in a given time.
What is frequency?
This tool is used to measure force.
What is a spring scale?
This material is strongly attracted to magnets.
What is iron?
This star remains nearly fixed in the northern sky and helps with navigation.
What is Polaris (North Star)?
Different theses are the reason that cells look different
What are functions?
Objects appear a certain color because they ______ that color of light.
What is reflect?
This determines how loud or soft a sound is.
What is amplitude?
Increasing mass while pushing with the same force will ______ acceleration.
What is decrease?
This factor increases the strength of gravitational force between two objects.
What is increase mass?
The season when your hemisphere is tilted toward the Sun.
What is summer?
These cells are hard and provide structure for the body.
What are bone cells?
The distance between two wave peaks is called this.
What is wavelength?
These are the squished-together parts of a sound wave.
What are compressions?
A change in motion is called this.
What is acceleration?
This force pulls objects toward each other.
What is gravity?
Scientists use these to represent objects or systems that are too large or small to study directly.
What are models?
These cells are stretchy and provide protection for the body.
What are skin cells?
Stored energy is known as this.
What is potential energy?
If the vibrations of a sound wave increase in frequency but not amplitude, the sound will become this.
What is higher in pitch?
If the net force on an object is zero, its motion will do this.
Both gravitational and electric forces follow this pattern: as distance increases, force strength does this.
What is decrease?
This is what causes the moon to look different colors on the eclipse.
What is the atmosphere?
This organelle is known as the “powerhouse” of the cell.
What is the mitochondria?