The jellyfish is an invertebrate because it lacks --
eyes
bones
blood
cells
Which roller coaster will not have enough kinetic energy at the bottom of the first hill to carry the car over the second hill?
Benjamin Franklin discovered the form of energy produced by lightning. Experiments with lightning killed many people before he discovered that lightning is a form of --
gravity
water
magnetism
electricity
Which of these fish has a mouth shape that best allows it to find food hidden in the cracks of rocks and coral?
A, B, C, D
D, B, C, A
B, C, D, A
C, D, B, A
Oxygen, nitrogen, and carbon dioxide may be grouped together because at room temperature they are all a --
solid
liquid
gas
colloid
The moon revolves around --
itself
the Earth
the sun
the solar system
Which of these is a process that allows plants to convert light energy into food energy?
Reproduction
Excretion
Digestion
Photosynthesis
A niche
A community
An ecosystem
A biome
Amherst
Madison
King William
Littleton
D, B, C, A
D, C, B, A
A, D, C, B
C, B, D, A
Which of these will happen if the temperature of a metal pan is increased?
The pan will begin to lose heat.
The molecules of the pan will move faster.
The metal will change into another metal.
The pan will contract.
Sound waves travel best through --
gases
liquids
solids
vacuums
0.1 km
0.5 km
1 km
1.5 km
Which of these belong to the kingdom Monera?
Ferns
Mosses
Mushrooms
Bacteria
The salinity of the Mediterranean Sea is greater than that of the Atlantic Ocean. This means that, compared to the Atlantic Ocean, the Mediterranean Sea is --
wider
deeper
saltier
cooler
1 millimeter
2 kilometers
4 meters
10 centimeters
2 kg
3 kg
5 kg
7 kg
Tornadoes are most likely to be produced from which type of cloud?
Cirrus
Stratus
Cumulus
Cumulonimbus
Which of these is needed to measure the mass of a rock?
An anemometer
A barometer
A balance
A metric ruler
A
B
C
D
The internal parts of a cell are suspended in a jelly-like liquid called the --
nucleus
cell membrane
cytoplasm
chloroplasts
Which surface feature is most likely caused by the movement of the Earth's crustal plates?
Canyons
Deltas
Lakes
Volcanoes
A periscope works by using the reflection of mirrors. Tama made several periscopes for watching baby birds in a nest. Which periscope will work?
North
East
South
West
Which of these can most easily produce magnetic fields?
Sunlight
Wind
Electricity
Flowing water
The substance that makes plants green is known as --
water
calcium
chlorophyll
carbon dioxide
Which instrument could tell you that conditions are right for flying a kite?
Anemometer
Barometer
Hygrometer
Thermometer
Today, which human activity is responsible for endangering the greatest number of land animal species?
Hunting for food and for sport
Destruction of habitats
Accidental starting of forest fires
Cutting wildflowers in national parks
The height of each of the graduated cylinders
The time it takes for each marble to hit bottom
The size and mass of each of the marbles
The volume of each of the liquids in the cylinders
Which picture shows the book with the most potential energy?
Which of these units would be best to use to measure the amount of water in a test tube?
Milliliters
Meters
Kilograms
Seconds
A large rock and a long, thick board could be used to construct which simple machine?
Screw
Pulley
Wheel and axle
Lever
The stamen
The pistil
The sepals
The petals
Electric lights will not come on unless their electrical circuit is a --
parallel circuit
series circuit
closed circuit
short circuit
Rocks which formed in areas once covered by oceans often contain fossils of animals which lived in the sea. Which one of these rocks contains fossils of ocean animals?
Which factor is usually recorded when gathering weather data?