20 minutes
1 and 3 or 2 and 4
Electricity
Person #3
Drupe
Bird population decreased due to the snakes eating the eggs
Gravity
The amount of fertilizer added to each group.
Area 3
[answers vary]
Overhunting and loss of habitat
Sulfates
Mass
Milliliter
Color of the light
Brand of fertilizer; Growth of plant
Seasonal changes
To conserve energy during the winter months
Cabbage (Producer) > Sheep (Herbivore) > Wolf (Carnivore)
Chemical > Electrical > Light
Amount of moisture
Earth is between the sun and the moon
Several times a day in all kinds of weather
Year
Jupiter
According to the chart, on which planet would a ball fall the fastest?
According to this graph, which of these is most important in developing the biomass of these plants?
Which person is at the right position to get an accurate reading?
According to this graph, the bacteria doubles every-
Give an example of a physical change and a chemical change.
The amount of gravitational attraction between the Earth and an object depends on the object's distance from the Earth and the object's -
Solar cells (in solar panels) are used to turn sunlight into -
According to this diagram, a lunar eclipse occurs only when the -
Name the independent and dependent variables for this experiment.
In 1500, between 60 million and 125 million American bison roamed the plains. These bison were used by Native Americans as a primary food source, but this did not have much effect on the bison population. A few hundred years later, railroad crews and settlers moving west also depended on the bison for food. By 1892, it is estimated that less than 1,000 bison were left. What were the two main causes of the near-extinction of the bison?
When animals hibernate, their heart rate and respiration decrease and they lose consciousness. Why do some animals hibernate?
The illustration shows a wave. The wave's wavelength is the distance between points -
The area that shows the amplitude of the wave is -
The force that hold objects close to Earth is called-
What is the SI unit used to measure a very small amount of water being given to a plant?
The time in which Earth makes one revolution around the sun is approximately one -
What is being studied in this experiment?
The island of Guam had no native snake species until the brown tree snake was introduced. What effect do you think this egg-eating snake have on the native bird populations?
A wolf, sheep, and some cabbage are in a field. List the progression of the food chain in the correct order. Label each of them with their correct title.
Name the independent variable for this experiment.
What would the fruit above be classified as?
Name the independent variable for this experiment.
This flashlight uses three types of energy. Name them and put them in the correct order
The quality of air is monitored by the government to determine whether a city needs to take steps to control air pollution. When would be the BEST time to measure air quality?
According to the graph, the population changes above are probably caused by -
