A-clock
B- graduated cylinder
C- Scale
D- Balance
B- graduated cylinder
A- river
B- valley
C-glacier
D- lake
D- lake
A- webbed feet
B- long tongue
C- wide mouth
D- thin skin
A- webbed feet
A- water vapor turns into ice
B- Liquid water turns into water vapor
C- Ice turns into liquid vapor
D- Water vapor turns into liquid water
B- Liquid water turns into water vapor
A- Invention of the telescope
B- invention of the telephone
C- discovery of the cell
D- improvements made to the microscope
A- Invention of the telescope
A- Models are always larger than what they represent
B- Models are always made of the same materials as they represent
C- Models are always made of plastic
D- Models represent real objects or events
D- Models represent real objects or events
A-stratus clouds
B- cirrus clouds
C- high clouds
D- cumulus clouds
A-stratus clouds
A- a cricket eats grass
B- A chipmunk digs a shelter in soil
C- A woodpecker takes shelter in a hole in a cactus
D- a snake eats a robin
B- A chipmunk digs a shelter in soil
A- rock
B- soil
C- block of wood
D- block of ice
D- block of ice
A- mouse
B- human heart
C- forest ecosystem
D- weather in Pittsburgh
C- forest ecosystem
A- The students learn in classrooms
B- The students and staff affect each other
C- The students pass one grade to the next
D- The students receive grades for their work
B- The students and staff affect each other
A- prediction
B-pattern
C- system
D- model
B-pattern
A- It is a system within the circulatory system
B- It is not really a system since it has no parts
C- It is a system within the system of the human body
D- It is not a system within a system
C- It is a system within the system of the human body
A- lemon juice
B- air
C- sand
D- bleach
C- sand
A- volume of oil
B- mass of bricks
C- height of chair
D- weight of wood block
A- volume of oil
A- mineral
B- forest
C- sunlight
D-vase
B- forest
A- evaporation
B- condensation
C- sublimation
D- melting
B- condensation
A- water
B- soil
C- log
D- cave
D- cave
A- electrical energy
B- sound
C- light
D- heat
B- sound
A- mass
B- volume
C- weight
D- length
C- weight
A- nickel is yellow in color
B- nickel does not conduct heat well
C- nickel is attracted by a magnet
D- nickel is always in the liquid state
A- nickel is yellow in color
A- natural gas
B- rubber
C- animals
D-cotton
C- animals
A- One of her parents taught her how to roll her tongue
B- Both of her parents taught her how to roll her tongue
C- One or both of her parents was able t roll their tongue
D- She once injures her tongue
C- One or both of her parents was able t roll their tongue
A- a bus fully loaded with 86 children
B- a bus that is half loaded with 43 children
C- a bus that is completely empty
D- a bus that only has six children in it
C- a bus that is completely empty
A- thermometer
B-microscope
C- video camera
D- hand lens
D- hand lens