The capacity of an automobile gasoline tank would most likely be measured in --
A
B
C
D
Cell wall
Cell membrane
Vacuole
Nucleus
There were many blooms on the roses near the house and fewer blooms on the roses closest to the street.
The roses closest to the street had more blooms because they received more sunlight.
The roses near the house were taller but had fewer blooms.
The roses close to the house had fewer blooms and leaves.
Which of the following materials is transparent?
Clear window glass
Your eyelids
Solid wood door
White paper
An inclined plane and a pulley
A wheel and axle and a wedge
Gears and a lever
A wheel and axle and a lever
The two structures that most plants use to gather nutrients and energy to live are --
roots and leaves
roots and flowers
stems and roots
stems and leaves
Students must conduct an experiment in which they find out how long a rubber ball bounces before it comes to a stop. Which unit would be best for recording this information?
Gram
Degrees Celsius
Meter
Second
The smallest quantity of an element is --
a compound
an atom
a solution
a molecule
Which is these is the fairest way to find out if sand or silt will settle faster when mixed with water?
2-3 kilograms
4-5 kilograms
6-7 kilograms
8-9 kilograms
The process an insect undergoes when changing from larva to adult is known as --
respiration
metamorphosis
photosynthesis
reproduction
Ocean waves
The sun
Whales
Salt
The most common cause of earthquakes is --
the sinking of the ocean floor
movements in the Earth's crust
giant tidal waves called tsunamis
unequal heating of the atmosphere
Which diagram shows a wave with the highest frequency?
The most important reason that lakes and oceans have different types of animal life is that oceans have --
sandy shores and bottoms
water with more salt
large waves at the edges
a much larger surface area
changes in temperature
the amount of rainfall
changes in humidity
the speed of the wind
Which of the following plants is an example of a nonvascular plant?
The rotation of the Earth on its axis causes --
seasons
years
months
days
To the blue crab, the open bay of the Chesapeake Bay region is its --
niche
habitat
community
population
To learn about the temperature inside the Earth's crust, scientists study --
earthquakes
fossil formations
minerals on the ocean floor
volcanoes
Todd observes that his strawberry plant has grown little green strawberries. Which of these is a prediction Todd might make about his strawberry plant?
The green berries will ripen into red berries.
The strawberry plant is growing under an oak tree.
The strawberry plant doesn't have enough water.
The green berries are a new type of strawberry.
Certain storms form over water near the equator, usually between the months of June and November. Warm, moist air rises quickly over the ocean, causing a strong, whirling storm with high winds and heavy rains. This type of storm is known as a --
tornado
hurricane
blizzard
sandstorm
Maple
Dandelion
Milkweed
Cocklebur
Which material will sound travel through the fastest?
Water
Air
Steel
Cloth
Morse code
Radio
Sonar
Sound tracking
Which of the following is an invertebrate?
A bar magnet is placed on a table, and a sheet of blank paper is placed over the magnet. What could be sprinkled on the paper to show the magnetic field of the bar magnet?
Salt
Iron filings
Sand
Soil
10 cm
12 cm
14 cm
16 cm
Which one of the following events occurs in the formation of sedimentary rock?
Crystallization
Melting
Cooling
Weathering
Bright and unusual fish markings can warn other fish to stay away. Which of these fish probably is the most dangerous to its predators?
When a coin is dropped, it falls to the ground. As the coin falls, it loses potential energy and gains what kind of energy?
Kinetic
Chemical
Electrical
Solar
2.8 cm
3.1 cm
3.5 cm
4.0 cm
The American dogwood is a member of which kingdom of living things?
Monera
Animal
Protist
Plant
Rubber ball, plastic comb, nail
Paper clip, penny, screw
Cork, dollar bill, tweezers
Pencil, eraser, spoon
C, A, B, D
B, A, C, D
A, D, B, C
D, A, B, C
Which of the following instruments is used to measure mass?
When light hits an object, the rays can pass through it, bounce off it, or be absorbed by it. Light rays that bounce back are --