1
2
3
4
5
100
Which do meteorologists use to measure the amount of precipitation that falls during a storm?
Rain gauge
100
A Virginia natural resource important to the state's economy, as well as a primary source of energy, is -
coal
100
During pollination, pollen is transferred from a stamen to a -
stigma
100
The smallest quantity of an element is -
atom
100
Snakes are vertebrates. True or False
true
200
Name an animal that is an invertebrate.
cricket, spiders, worms, etc.
200
A rotating funnel-shaped cloud with strong winds
and thunderstorms
tornado
200
The energy used to move most bicycles is an example of what type of energy?
A. Mechanical
B. Electrical
C.Nuclear
D. Chemical
Mechanical
200
The electrician would wear rubber gloves for protection. The purpose of the rubber gloves is to -
insulate the electrician
200
Which factor is usually recorded when gathering weather data?
Number of gases in the air
Amount of air in an area
Type of gases in the air
Temperature of the air
Temperature of the air
300
The Earth's surface can change either quickly or slowly. What can happen when rocks and soil in the Earth move suddenly?
Landslides
300
One way that mosses and ferns are similar is they both -
produce spores
300
Objects with greater inertia are more difficult to move than those with less inertia. Which object has the greatest inertia?
A school bus or a baseball
a school bus
300
Which of the following is an invertebrate?
A. mouse
B. bear
C. snail
D. snake
snail
300
The time between today's sunrise and tomorrow's sunrise would be about -
24 hours
400
Which tools would be needed to measure the size and the mass of a block of wood?
A ruler and a balance
A graduated cylinder and a thermometer
A watch with a second hand and a ruler
A thermometer and a meter stick
a ruler and a balance
400
Which of these makes a sound with the slowest vibration?
A. Harmonica
B. Drum
C. Whistle
D. Flute
drum
400
A fifth-grade class constructed this circuit. Which of these objects most likely made the light glow when connected to points X and Y?
Aluminum foil
Rubber eraser
Cotton string
Plastic straw
Aluminum foil
400
During a thunderstorm, you see the lightning before you hear thunder. This is because -
light travels faster than sound
400
For the native birds and mammals of Virginia to survive, plant life must be conserved. What do plants provide directly to all animals?
Oxygen
500
If the Earth moved farther away from the sun, what would probably happen?
the temperature would get colder
500
Acorn barnacles are seashore animals found on rocks. They live 1 to 2 meters above low-tide level. These rocks are the acorn barnacles' -H________
habitat
500
The motion of Earth around the Sun most affects the -
cycle of the seasons
500
Which of these belongs in square A of this flow chart?
fish
500
Which of these Earth layers is the thinnest?
The crust
600
In an experiment, Jackson tested to see how the size of rocks affects the amount of dirt that washes away when water flows downhill. Which variable was manipulated?
Type of dirt
Slope of the hill
Size of the rocks
Amount of water
size of the rocks
600
The diagram shows a model of the ocean floor. Which number identifies the continental slope?
2
600
Which is the best tool for measuring the temperature of lake water?
Thermometer
600
On a graph, students recorded how quickly bacteria reproduced over two hours. If the rate of reproduction stayed the same, how many bacteria would be present after 212212 hours?
32
600
A bicyclist rides on a flat road and then stops pedaling but does not apply the brakes. The bicycle stops because of -
A. friction
B. magnetism
C. balance
friction
700
All of the populations of species in an area make up a -
community
700
The sun heats the Earth unevenly, making the poles cold and the tropics hot, because
the tropics face more directly toward the sun
700
Which unit is best to use for measuring the width of oak tree leaves?
Centimeter
700
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 —
a. an observation b. a conclusion c. a prediction d. an inference
observation
700
Which variable do I change?
the Independent variable