Energy 1
Why did Alessandro Volta invent the battery?
to provide safe, reliable
electricity for research.
What source of energy is necessary to begin the process of photosynthesis?
the sun
How is heat transferred?
conduction transfers heat from a warmer substance to a cooler substance through direct contact
what is the main goal of learning about science?
to increase your knowledge of how things work as they do
wind energy is a type of what?
Renewable energy
Do energy drinks actually provide energy?
Yes, but not more than other soft drinks
Which energy transformation occurs when a butane lighter is lit?
chemical to heat
Chemical energy in fossil fuels is most often released by what process?
burning
in what way can you identify chemical change?
By burning a renewable source
why should you drink a sports drink instead of an energy drink before an athletic activity?
Sports drinks can provide energy and hydration without the ill effects of energy drinks.
What two forms of energy does the fire from a burning campfire release?
chemical and kinetic
What percentage of the energy from gasoline in a car is transformed into motion?
about 25-30%
Light energy is also known as _________ energy.
radiant
What are some non renewable resources of energy?
coal, natural gas, and petroleum
Who is faster? Milk or soda?
Milk
Objects that are able to roll have what type of energy?
potential
What type of heat transfer occurs through direct contact?
conduction
Where did the term volts come from?
Alessandro Volta
Who was Alessandro Volta
He was an Italian scientist who created the first electrochemical cell
why can't rats be doctors?
they do not have human capabilities
energy can be neither _________ or __________
created or destroyed
potential and kinetic
how does one measure the power of batteries?
using volts
About how long have humans been using mechanical energy?
about 7,000 years
what produced an electric current in each of Volta's cells?
a chemical reaction of salt water, zinc, and copper