Electricity flows along more than one pathway.
Parallel circuit
What is the shape of our galaxy?
spiral
Sound travels slowest through.....
air or gasses
Which solution in the penny experiment made the penny shine?
salt & vinegar solution
Reptiles in cold climates_______ to stay warm.
estivate hibernate aestivate
hibernate
A circuit has a light bulb and some copper wire. What is missing?
power source or battery
What is the fifth planet from the sun?
What is Jupiter?
Sound cannot travel though this.
a vacuum or outer space
What was the purple liquid made of?
red cabbage
What species can live on both water and land?
amphibians reptiles invertebrates mammals
amphibians
This is the term for the flow of electricity.
current
This is now called a dwarf planet.
Pluto
The number of waves produced in a certain amount of time is called:
amplitude frequency wavelength
frequency
Congratulations!
You just won 300 points for free!
What device do scientists use to measure earthquakes?
barometer seismograph parallax
seismograph
This can be used to make circuits open or close.
switch
It is when the lit side of the moons increases each night.
waxing
When molecules are pressed together on a sound wave.
compresson
Is baking powder a good indicator of acids?
no, because it reacts with both acids and non acids
How many legs does a lobster have?
10
Insulator or Conductor:
GRAPHITE
conductor
Gravity is responsible for this in our Solar System.
the orbits of the planets
When a fire engine moves toward you the siren increases in pitch and decreases as it moves away. What affect is this?
The Doppler affect
Which year penny will dissolve in vinegar:
1987 1956 1942
1987, because pennies minted after 1982 have a center made from zinc which will dissolve in an acid.
What percentage of oxygen is in the air we breathe?
21% 56% 78%
21%
Are electrons positive or negative?
negative
Planets orbits are described by this term.
elliptical
Sounds are caused by objects doing what?
vibrating
What kind of acid is vinegar?
acetic acid
What city was the first capital of the United States?
New York City
Insulator or Conductor:
GLASS
insulator
A planet that is about the same size as Earth.
Venus
Sound travels fastest through this.
solids
Name 2 characteristics of an acid.
sour taste, react with metals, they react with bases (indicators)
What is the longest river in the world?
Nile
The part of an atom that is involved in electricity.
an electron
Who discovered the law of gravity?
Who is Sir Isaac Newton?
Pitch and _______ are related.
frequency
What color did the purple liquid turn when introduced to an acid?
red
What is the largest U.S. state by landmass?
Alaska