Energy
What was the first energy we learned about?
Kinetic Energy and Potential Energy
What is evaporation?
Water turns into steam or vapor and rises into the air.
What does a switch do in electricty?
It turns things off and on, it disconnects the power and connects it.
Do the same poles attract or repel?
They repel.
What are the 3 states of matter we learned about?
Solid, Liquid and gas.
There is what energy in food?
There is chemical energy.
True or false, When it rains, all of the water is absorbed back into the ground.
False.
a person who installs and repairs electrical devices or wiring is..
Is a pencil an insulator or conductor?
Insulator
What happens to wax when a candle burns? Explain
It is a solid at first, since wax can burn it will melt into a liquid.
At a waterfall, the water from the waterfall is ¨raining down¨ to the river, what energy is this?
Kinetic Energy.
What makes water move through the water cycle?
The sun.
the complete path along which an electric current flows is a..
circuit.
what does a magnet and earth have in common?
they both are magnets, they have north and south poles, thats why compasses work.
How do the molecules of a solid act?
They dont move from place to place, they vibrate/jiggle.
The sun carries what energies?
radiant energy, thermal energy and solar energy.
Where are 2 places runoff usually ends up?
streams, ponds, creeks and lakes.
For electricity to flow what do you need?
a battery, light bulb and wire in a closed circuit.
what is a magnetic field?
The region around the magnet that helps objects attract to south or north pole is called a magnetic field
name 2 types of gasses, 3 types of liquids and 4 types of solids items.
helium, nitrogen or carbon dioxide. water, blood, milk.
Name all the energies we have learned about
Chemical Energy, Kinetic Energy, Potential Energy (Mechnical Energy), Solar Energy, Thermal Energy, Sound Energy and Light Energy.
Name 4 things in the water cycle and one of there definitions.
Condensation, Precipitation, Evaporation, Collection, Evaporation, Runoff.
what do you need, to make electricty flow?
a load (something like a lamp) , a source (like a battery or an outlet) and a conductive path, like a wire
what does polarity mean?
when you have two opposite poles.
what is an example of plasma?
lightning, stars and the sun, auroras.