Which picture shows an animal that is most likely found in Virginia forests?
The map shows how gypsy moths have spread across Virginia over the years. Based on the map, gypsy moths —
live in every state in the United States
will be in all of Virginia by 2010
first came to Virginia in 1960
stopped spreading in 1996
A person pushes a box as shown. What is the push most likely to change?
The size of the box
The mass of the box
The color of the box
The position of the box
The graph shows the height change of a plant over a period of 11 months. How tall should the plant be at month 12 if all conditions remain the same and the plant continues to grow at the same rate?
36 cm
39 cm
42 cm
45 cm
Which is the best action to help protect water resources in Virginia?
Dispose of pet waste in a stream.
Rinse spilled gasoline with a hose.
Organize a river cleanup program.
Put hazardous waste in with house trash.
The graph shows the amount of rain that fell during the summer for each of four years. Weather data show that the average rainfall during the summer is about 12 inches. Based on the graph, rainfall was closest to the average during -
2002
2003
2004
2005
The picture shows a sprouting bean plant. The leaf produced will help the plant by —
absorbing water from the air for nourishment
using sunlight for energy in food production
reproducing more bean plants for survival of the species
adding support for the plant as it grows taller
Which number on the diagram shows the wavelength?
1
2
3
4
Earth makes a complete revolution around the Sun about once every -
day
year
season
minute
Which of these objects is opaque?
A brick wall
Eyeglass lenses
Liquid water
Stained glass windows
Students collect pond water in their beakers. Which is the best unit of measurement for the volume of water they collect?
Grams
Meters
Milliliters
Centimeters
Seeds that remain inactive until the right conditions of light, water, and soil are present are called —
pollen
dormant
flowers
recycle
Layer A probably formed in an ocean. Which of these is the best clue that layer A formed in an ocean?
The thickness of the layer
The type of fossils in the layer
The position of the layer
The density of the layer
Copper wire is often wrapped in plastic. Plastic material is a good —
electromagnet
insulator
circuit
current
What is the mass of this mineral?
5 grams
10 grams
15 grams
20 gram
Which of these best describes a tornado?
A winter storm that produces frozen precipitation
A rotating funnel-shaped cloud with strong winds and thunderstorms
A severe weather condition with low temperatures and blowing snow
A storm that forms over warm ocean water and has extremely strong winds
The phases of the Moon occur in a certain order. Three phases are shown here. Which is the next phase in the sequence?
Which of these is the best tool to use when measuring the water depth at the edge of a pond?
Three baseball players investigate to see who can throw a baseball the farthest. They mark off an area on the playground for their investigation. Which should they keep constant?
Height of players
Color of the baseballs thrown
Order in which the players throw
Spot from which players throw
A student throws a ball. Which of these best describes the moving ball?
The ball has light energy.
The ball has kinetic energy.
The ball is transferring sound energy to the air.
The ball is transferring light energy to the air.
Which location is likely to have the greatest water pressure, the coldest temperatures, and the smallest number of living organisms?
1
2
3
4
Which of these can be mined from Earth and used as an energy source?
Coal
Gravel
Granite
Limestone
Although the mushroom looks like a plant, it is in a different kingdom. The main difference between the fungi kingdom and the plant kingdom is that fungi —
use chlorophyll to make sugar
have special tissues
absorb nutrients from other organisms
depend on the Sun for energy
Which of these animals is an invertebrate?
A bicyclist rides on a flat road and then stops pedaling but does not apply the brakes. The bicycle stops because of —
balance
friction
attraction
magnetism
Which of these are the deepest parts of the ocean?
Continental shelves
Continental slopes
Ocean trenches
Abyssal plains
Based on the chart, between which two weeks did the growth pattern of the puppy change?
8–9 weeks
9–10 weeks
10–11 weeks
11–12 weeks
Submarines have explored many parts of the ocean. As submarines descend, scientists observe that there is an increase in the —
amount of light
water temperature
water pressure
types of ocean organisms
Based on the bird of prey key, which bird is shown in the picture?
Owl
Vulture
Golden eagle
Bald eagle
Which part of a plant cell is responsible for controlling the activities of the other parts of the cell?
Vacuole
Nucleus
Cell wall
Chloroplast
Which of these is the main function of a cell wall?
To make food
To store water
To provide support
To make the plant green
Which shows one way that energy flows to birds in this food web?
Rodents → insects → birds
Insects → plants → birds
Snakes → rodents → birds
Plants → rodents → birds
Michael Faraday showed how electric current in a wire produces —
molecules
chemicals
a vibration
a magnetic field
Students notice that in the fall leaves of sugar maple trees turn red, but the leaves of black oak trees turn brown. The students are making —
an observation
a conclusion
a prediction
an inference
Two flashlights are turned on. The light rays they create are shown in the diagram. These light rays best illustrate that —
both rays are reflected
both rays are refracted
Ray 1 is reflected and Ray 2 is refracted
Ray 1 is refracted and Ray 2 is reflected
Which of these activities is most likely to have a positive impact on the environment of Earth?
Expanding neighborhoods
Building factories
Constructing highways
Creating nature preserves
Which of these animals has a different body support system than the others?
Which of these best completes the circuit?
Rubber
Metal nail
Leather shoelace
Wooden toothpick
Which labeled part in this picture has evidence of kinetic energy?