Why is coal important for Virginia?
can be used for energy
What is one way that light waves are different from sound waves?
light waves do not need a medium to travel through while sound waves do
light waves are transverse and sound are compression
A fungus is found growing on dead leaves on the forest floor. The fungus is an example of a-
decomposer
Which of these best explains why the sun is not visible during the night?
a- the moon blocks the sun from view
b-that side of the sun faces away from Earth
c- That side of Earth faces away from the sun
c- That side of Earth faces away from the sun
Lobster pots are used by fishermen to catch lobsters in shallow water. In which area of the ocean would commercial fishermen most likely place their lobster pots?
on the continental shelf
What three things cause ocean currents?
wind patterns, salinity differences, temperature differences
A student rubbed a plastic comb with a piece of wool cloth and then placed the comb near a stream of water. The water bent toward the comb because of-
static electricity
During pollination, pollen is transferred from a stamen to a-
stigma (part of the pistil)
When a plate boundaries slide past each other, which is more likely to occur?
a- a mountain forms
b-an earthquake occurs
c-the ocean floor widens
b- an earthquake occurs
Which unit is best to use to measure the distance a runner covered in 30 seconds?
meters
Name the four water resources and give a description.
Bay- water on three sides and opens into the ocean
lake- land surrounds all sides
rivers- flowing to a larger body of water
ocean- large body of salt water
How does the following impact pitch? The greater the frequency of a sound wave, the-
The higher the pitch
Which plant part develops into a fruit?
flower
Which rock type is made from heat and pressure?
Metamorphic
A student is investigating the time it takes for different objects to reach the ground after they are dropped. The constant in this investigation is the-
a- time to reach the ground
b- distance to the ground
c- the object being dropped
b- distance to the ground
What are three things that happen as you increase in depth?
decrease in temperature
increase in salinity
increase in pressure
decrease in light
decrease in marine life
An electromagnet can be made using a battery, insulated wire, and-
an iron nail
A plant called a skunk cabbage grows in swamps and produces an odor similar to a skunk. Why should people preserve a plant like the skunk cabbage?
It has a certain role in the ecosystem. (niche)
What two moon phases are associated with the highest tides?
Full and new moon
Name the four cloud types and describe how they can help us forecast weather.
stratus- light rain
cirrus- fair weather but light rain may come
cumulus- fair weather
cumulonimbus- thunderstorms
Daily Double- 1000
What are the three watersheds of Virginia?
Define matter
anything that has mass and takes up space (volume)
Which of these is an example of a behavioral adaptation?
a- a cow that has flat teeth
b-a squirrel that has buried acorns
c- a fish that has scales
b-a squirrel that has buried acorns
Daily Double- 1000 points
name all eight phases of the moon
new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, last quarter, waning crescent, new moon
I am testing which battery brand lasts the longest. Tell me my independent variable, dependent variable, and at least one constant.
independent variable- battery brands
dependent variable- the time that battery lasts
constants- what the battery is tested in, stopwatch used, location of the tested objects