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**blank** is used to tell if there is sugar in a glass of tea
[ "Touch", "Hearing", "Smell" ]
Taste
**blank** is given off by plants
[ "Hydrogen", "Nitrogen", "Helium" ]
Oxygen
**blank** of these substances conducts electricity the best
[ "Wood", "Brick", "Plastic" ]
Copper
A sign that an apple tree is going to start growing apples is when the tree has ___ **blank**
[ "roots", "seeds", "leaves" ]
flowers
**blank** of these can be mined from earth and used as an energy source
[ "Gravel", "Granite", "Limestone" ]
Coal
**blank** of these most likely has the greatest mass
[ "Chicken", "Puppy", "Lizard" ]
Horse
a nonliving part of a forest is **blank** of these
[ "Tree", "Worm", "Mushroom" ]
Soil
**blank** of these best describes the way a feather feels
[ "Colorful", "Low", "Bright" ]
Soft
Mold is often found growing on old bread. In a food chain, mold is a **blank**
[ "producer", "consumer", "scavenger" ]
decomposer
Students are studying some leaves. They group the leaves by shape. Which science process are the students using **blank** they put the leaves in different groups
[ "predicting", "measuring", "experimenting" ]
classifying
A teacher places an item in a box. The item takes the shape of the entire container. This item is most likely **blank**
[ "milk", "water", "paint" ]
air
Sterling silver is a combination of silver and copper. **blank** of the following is also a combination of two or more metals
[ "aluminum", "lead", "gold" ]
brass
a harmful waste material that leaves the blood and travels through the lungs before leaving the body is **blank** of the following
[ "O2", "H2O", "NaCl" ]
CO2
**blank** of the following forms of energy can travel by vibrating particles of air
[ "electrical", "light", "magnetic" ]
sound
A statue and a table are both made of the same type of marble. **blank** of the following properties will most likely be the same for both of these objects
[ "size", "shape", "weight" ]
hardness
**blank** of rock is formed when hot lava cools
[ "coal", "limestone", "metamorphic" ]
igneous
Heat, light, and sound are all different forms of ___ **blank**
[ "fuel", "matter", "electricity" ]
energy
**blank** animal develops inside its mother before it is born alive
[ "Butterfly", "Duck", "Frog" ]
Cat
an example of a single-celled organism is **blank**
[ "insect", "fish", "worm" ]
amoeba
**blank** allows green plants to control the amount of water stored in their leaves
[ "photosynthesis", "condensation", "respiration" ]
transpiration
A pot is heated on a stove. **blank** process causes the metal handle of the pot to also become hot
[ "combustion", "convection", "radiation" ]
conduction
Earth makes a complete revolution around the Sun about once every **blank**
[ "day", "season", "minute" ]
year
**blank** measures atmospheric pressure
[ "hygrometer", "thermometer", "magnetometer" ]
barometer
In the construction of a house, the words excavation, slab, and footing are associated with the **blank**
[ "roof", "floor", "frame" ]
foundation
In a food chain, living organisms that eat plants and are a food source for other animals are called **blank**
[ "decomposers", "carnivores", "producers" ]
herbivores
Support cables in a suspension bridge are most stressed by **blank** of the following forces
[ "shear", "torsion", "compression" ]
tension
the primary type of stress that a fixed vise exerts on a piece of wood is **blank** of the following
[ "tensile", "shear", "torsion" ]
compression
**blank** uses oxygen and glucose to provide energy to the cell
[ "nucleus", "ribosome", "vacuole" ]
mitochondrion
**blank** of the following organs is not situated in the abdomen
[ "liver", "kidney", "stomach", "bladder" ]
heart
**blank** could cause rust to form on a metal can
[ "Hydrogen", "Nitrogen", "Helium" ]
Oxygen
**blank** is nonrenewable
[ "sand", "wood", "oxygen" ]
petroleum
a scientist is using **blank** when sorting rocks into two groups based on physical appearance
[ "inferring", "generalizing", "hypothesizing" ]
classifying
Electrical energy may sometimes be converted to mechanical energy. **blank** of these appliances converts electrical energy into mechanical energy
[ "lamp", "radio", "stove" ]
fan
Solids, liquids, and gases are all different states of **blank** of the following
[ "mass", "weight", "volume" ]
matter
the best conductor of electricity is **blank**
[ "air", "glass", "wood" ]
water
the downward movement of water through pores and other spaces in soil due to the force of gravity is **blank**
[ "evaporation", "precipitation", "condensation" ]
percolation
According to Newton's first law of motion, **blank** counteracts gravity to keep a satellite in orbit
[ "energy", "friction", "magnetism" ]
inertia
The list below gives some symptoms of people with the common cold. Symptoms of the Common Cold stuffy nose low fever sore throat cough **blank** body system is most affected by the common cold
[ "Nervous", "Digestive", "Circulatory" ]
Respiratory
**blank** contains about 75 % of the gasses and almost all of the water vapor
[ "stratosphere", "mesosphere", "thermosphere" ]
troposphere
Iron oxide, also known as rust, is formed **blank** iron chemically combines with oxygen. Which term best describes iron oxide
[ "element", "mixture", "solution" ]
compound
Sodium chloride is formed **blank** sodium and chlorine chemically combine. Which term best describes sodium chloride
[ "mixture", "element", "solution" ]
compound
a compound is **blank**
[ "butter", "nitrogen", "hydrogen" ]
ammonia
**blank** forms a barrier between internal body structures and the external environment
[ "nervous", "digestive", "circulatory" ]
integumentary
**blank** replenishes a large portion of the atmospheric oxygen supply
[ "mammals", "fungi", "insects" ]
plants
The bottom of the space shuttle is covered with ceramic tile. This material was chosen because it withstands **blank**
[ "moisture", "vibration", "light" ]
heat
**blank** of force keeps the planets orbiting the sun
[ "magnetic", "electrical", "nuclear" ]
gravitational
The engine of an automobile is part of **blank** type of system
[ "structure", "guidance", "control" ]
propulsion
Steel is used for cables in suspension bridges because of its capacity for **blank**
[ "torsion", "compression", "contraction" ]
tension
The manufacturing process used to permanently put parts together is called **blank**
[ "cutting", "shaping", "finishing" ]
assembling
**blank** of the following planets has the shortest orbit around the sun
[ "Earth", "Mars", "Venus" ]
Mercury
**blank** of a communication system converts binary codes in a computer into recognizable characters
[ "encoder", "receiver", "transmitter" ]
decoder
The terms gas exchange, diaphragm, and inhale are most closely associated with **blank** system in the human body
[ "circulatory", "digestive", "excretory" ]
respiratory
**blank** of the following colors of visible light has the longest wavelength
[ "blue", "green", "orange" ]
red
The molecule ATP is composed of elements commonly found in organic molecules. **blank** of the following is one of these elements
[ "aluminum", "calcium", "tin" ]
phosphorus
Two spotted leopards produce a litter of four cubs. Three of the cubs are spotted and one is solid black. The black coat is probably **blank** type of trait
[ "dominant", "polygenic", "sexlinked" ]
recessive
**blank** of the following must be included with magnitude to represent a vector
[ "mass", "acceleration", "volume" ]
direction
in **blank** does earth orbit the sun
[ "day", "month", "century" ]
year
**blank** you bend your arm at the elbow, the bones and muscles in your arm are acting as a system. What simple machine does this system represent
[ "Inclined plane", "Pulley", "Wedge" ]
Lever
Years ago farmers found that corn plants grew better if decaying fish were buried near by. **blank** did the decaying fish probably supply to the plants to improve their growth
[ "energy", "protein", "oxygen", "water" ]
minerals
Oil is an example of a natural resource that is not renewable. **blank** is another example of an nonrenewable resource
[ "Wood", "Seawater", "Sunlight" ]
Coal
**blank** of the following is not a mixture
[ "Smoke", "Milk", "Paint" ]
Sugar
**blank** of the following organs in fish has the same function as the human lung
[ "kidney", "heart", "skin" ]
gill
The Sun is an example of **blank** of the following
[ "comet", "planet", "galaxy" ]
star
The gallbladder stores bile, a fluid that aids in digestion of fat. **blank** of the following types of food should be avoided by a person whose gallbladder has been removed
[ "fruits", "grains", "vegetables" ]
cheese
In living things, large and complex molecules are broken down into small and simple molecules. **blank** is this process called
[ "excretion", "absorption", "circulation" ]
digestion
**blank** contains the highest percentage of protein
[ "rice", "dates", "carrots" ]
chicken
**blank** of the following animals have been on earth for the longest period of time
[ "Humans", "Birds", "Reptiles" ]
Fish
**blank** of the following is caused by a virus
[ "ulcer", "malaria", "tuberculosis" ]
influenza
Robert put two drops of an indicator into vinegar, and the color turned red. He then added drops of ammonia solution until the color disappeared. **blank** process occurred
[ "rusting", "melting", "evaporation" ]
neutralization
The following waste materials are buried in a landfill. **blank** will break down most quickly
[ "steel", "plastic", "glass" ]
paper
the chemical formula for carbon dioxide is **blank**
[ "CO", "C", "O2" ]
CO2
A student is asked to measure the distance from the floor to the ceiling in a classroom. **blank** unit of measurement should the student most likely use to accurately measure this distance
[ "liter", "kiloliter", "kilometer" ]
meter
**blank** would best help a student determine if two substances are made of two different elements
[ "mass", "shape", "volume" ]
density
A student divides several cubes into two groups, based on whether or not each cube can float in later. **blank** property is the student using to classify the cubes
[ "weight", "conductivity", "mass" ]
density
Carbon dioxide produced by cells is removed from the body primarily by **blank** body system
[ "digestive", "excretory", "immune" ]
respiratory
**blank** of the following has a warmer average surface temperature than earth
[ "Mars", "Moon", "Pluto" ]
Venus
Warm air masses that rise over Earth's equator move north or south. This movement is primarily the result of **blank** of the following processes
[ "conduction", "insulation", "radiation" ]
convection
A growing community relies on a nearby lake to provide fresh water for drinking and bathing. An increase in the use of fresh water will cause the lake to become **blank**
[ "colder", "deeper", "larger" ]
smaller
Fossil fuels are common sources of energy. **blank** type of pollution is most often associated with burning fossil fuels
[ "land", "noise", "water" ]
air
**blank** of the following is made of atoms
[ "gravity", "light", "heat" ]
air
When soil becomes saturated during rainfall, excess water begins to collect on the surface. Downslope movement of this excess water to rivers, lakes, and streams is called **blank**
[ "filtration", "groundwater", "condensation" ]
runoff
Two galaxies are interacting with each other. **blank** is the force that draws these two galaxies toward each other
[ "friction", "electricity", "magnetism" ]
gravity
Bass tapeworms attach to the gills and intestines of bass fish. These worms survive by taking nutrients from the bass. **blank** type of relationship does this represent
[ "predation", "mutualism", "commensalism" ]
parasitism
**blank** process below uses carbon dioxide and the sun's radiant energy to produce chemical energy
[ "Evaporation", "Respiration", "Decomposition" ]
Photosynthesis
As a river enters a larger body of water, sediments are deposited over a wide area. **blank** of these landforms is likely to be formed at the site of deposition
[ "Cave", "Mountain", "Valley" ]
Delta
**blank** of the following compounds is most likely to be part of living organisms
[ "BF", "MoCl", "CsI" ]
CHO
**blank** of the following planets is always closer to the sun than it is to earth
[ "Jupiter", "Saturn", "Uranus" ]
Mercury
A stone arch bridge relies primarily on **blank** of the following for its load strength
[ "bending", "tension", "torsion" ]
compression
Leopard's opening chant suggests that he is **blank**
[ "unhappy", "confused", "generous" ]
confident
**blank** typically recognizes , attacks , and destroys foreign cells or substances that may cause disease
[ "digestive", "excretory", "respiratory" ]
immune
**blank** of the following is produced when two or more elements combine in a chemical reaction
[ "atom", "mixture", "solution" ]
compound
**blank** of the following units best represents the density of an object
[ "kg", "hr", "ms2" ]
gcm3
Heat energy from the Sun is transferred to Earth primarily by **blank** of the following processes
[ "conduction", "convection", "evaporation" ]
radiation
A ship has a satellite communication device to identify the ship's position at sea. For **blank** of the following activities is this device most likely used
[ "control", "propulsion", "suspension" ]
guidance
**blank** of the following could occur as a result of decreasing the heat energy of a gas
[ "evaporation", "radiation", "vaporization" ]
condensation
Muscle cells need to quickly convert energy from food molecules into a usable form. For this reason, **blank** of the following do muscle cells have in greater numbers than most other types of cells
[ "chromosomes", "nuclei", "vacuoles" ]
mitochondria
**blank** do plants get most of the energy they need to live and grow
[ "water", "soil", "air" ]
sunlight
an example of a renewable energy resource is **blank**
[ "coal", "gas", "oil" ]
biomass
**blank** human body system attacks viruses and bacteria once they have invaded the body
[ "circulatory", "endocrine", "digestive" ]
immune
a nonrenewable natural resource that is used to make electrical energy is **blank**
[ "wind", "water", "thermal" ]
coal