Waves
This form of energy is produced and transmitted by vibrating matter which can be heard by animals or humans.
What is sound?
This causes the apparent movement of the sun across the sky during the day on Earth.
What is the ROTATION of Earth on its axis?
Everything in the universe is either energy or_________.
What is matter?
This is the process that many scientists use when experimenting.
What is the scientific method?
This is the definition of energy.
What is, "the ability to do work"?
This type of wave does not need a medium as it travels.
What are electromagnetic waves?
Scientists estimate the Earth to about this age.
What is 4.5 billion years old?
In a solution, the substance being dissolved is called the __________.
What is solute?
Name two of the 3 magnetic metals found in nature?
What are nickel, cobalt and iron? (need only two)
This type of energy is produced by machines or moving things.
What is mechanical energy?
When all the colors are absorbed, this is the color people we see.
What is black?
This is the nearest star to Earth.
What is the sun?
If it's matter and it's not a mixture then it is a _______ ______________.
What is a pure substance?
This system is used for measuring in science.
What is the Metric System?
This type of elastic energy can be demonstrated by stretching a rubber band (but not letting it go)
What is elastic potential energy?
This is the number of oscillations in a certain amount of time in a wave.
What is frequency?
This is the main reason the Earth experiences seasons.
What is the Earth's tilt?
If left to rest, this type of heterogeneous mixture will "settle out" or separate.
What is a suspension?
This is how many chromosomes a normal human has.
What is 46 chromosomes?
(23 from each parent)
Moving energy is called...
What is kinetic energy?
This type of wave is mechanical and vibrates matter in the same direction as the wave (but does not transfer the matter from one point to another).
What is longitudinal?
A solution that can not hold any more solute at room temperature is...
What is a saturated solution?
This is a possible explanation, prediction or conclusion based upon observations and prior experiences.
What are inferences?
This is the First Law of Thermodynamics (Conservation of Energy).
What is "Energy can not be created or destroyed but it can change form"?