142 terms

SCIENCE2017-2018

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centimeter
metric unit
on a ruler.
10mm
equals 1 cm
millimeter
a metric unit
on a ruler
flower
the part of the plant that contains the organs of reproduction and also produces seeds
roots
a part of the plant that usually grows underground. The help keep the plant in place, absorb minerals and water and store food that is made by the leaves.
stem
a plant part that grows above ground and support and attaches other plant parts.
leaf
is usually a flat green plant part that grows on a stem or stalk and makes food through photosynthesis
diameter
a line that goes through the center of the circle
seed
a plant part that contains an embryo and the food that it will need to grow into a new plant
parts of a seed
seedling, seed coat, stored food
germination
the sprouting of a seed, spore or bud
pollen
powdery grains
photosynthesis
the process in which the plant makes food from sunlight
Do seeds need sunlight in order to germinate?
NO. Seeds have stored food needed for germination
chlorophyll
plants gets their green color from this
It helps plants use energy from the sun to make food
seedling
a young plant
disperse
to spread out or move away. Seeds disperse by wind, water, animals and humans, bird and animal droppings
Do seeds need sunlight to germinate?
Seeds have their own food. There is no sunlight under the soil
milliliter
the metric unit used to find the volume of liquids in a measuring cup or graduated cylinder
measuring cup
is used to find the volume of liquids in a glass
volume
the amount of space that takes up space
diameter
is a line that goes through the center of a circle
beaker
a wide rim glass with a spout
balance scale
this is used to find the mass or weight of an object
pan balance
a measuring instrument for finding the weight or mass of an object
graduated cylinder
a scientific tool used to find the volume of liquid
hand lens
a tool used to magnify objects
temperature
the measurement of how hot or cold an object is at any given moment
observation
to look at an object for over period of time
classify
to sort information in an organized system
substance
a material that occupies space like fluids
magnet
a material that attracts other objects that have iron in the object
life cycle of a frog
an egg, tadpole, young frog, adult frog
behavior
the way in which living things act in response to their environment
shelter
an area that provides protection for living things
traits
features that plants and animals inherit
Examples are eye and hair color
inherit
traits that we get from our parents
Examples are hair color, skin color
acquired/learned trait
Things that we learn throughout our life like walking and talking
inherited trait
traits that we get from our parents like hair, eye or skin color
instinct
a way of behaving that is natural and automatic. IT is not learned
organism
a single form of life such as a plant, animal or fungus that is able to grow and reproduce
insulator
any object that odes not allow electricity to go through it
Are all metals attracted to magnet?
NO, they need to have iron in the metal
conductor
any objects that allow electricity to flow through it
circuit
a path that electricity flows through
open circuit
a circuit that is not complete and will not allow electricity to flow through it
closed circuit
a circuit in which the electricity flows through the complete circuit and will turn on the light bulb
conductivity
a property or power to conduct heat, electricity or sound. Can be done through wires and metals
boiling point of water C/F
A) 212 degrees Fahrenheit
B) 100 degrees Celsius
camouflage
coloring of body shape that protects an animal by making it look like its surroundings so it can hide from predators and prey
hibernation
to pass the winter in the state of inactivity that is similar to sleep. Animals that do this usually live in cold climates
migration
traveling form one place to another at regular times of the year often over long distances
environment
the surroundings and conditions that living things grow and develop.
life cycle
the series of changes or stages in life of a plant or animal
lifespan
the length of time between the birth and death of an organism. Elephant--60 years
life cycle of a butterfly
egg, caterpillar, pupa, butterfly
metamorphosis
a complete change in the appearance or form of an animal during its development into an adult.
extinct
no longer existing or living like dinosaurs
endangered
in danger of becoming extinct
adaptation
a special feature that help an animal survive
predator
an animal that hunts another animal for food
prey
an animal that is hunted by a predator
mimicry
the ability of a living thing to look like another living thing or its surroundings
habitat
the area in which an animal or plant lives
ecosystem
all living things living in a community and the environment in which they live.
rain forest
a thick evergreen forest that receives a high amount of rain. Found in the tropics along the equator.
grassland
a large, plain full of grass with few or no trees
population
a group of animals and plants who are living in the same place at the same time
community
all the populations that live together
habitat
the area in which an animal or plant lives
consumer
anything that cannot make its own food, like ALL animals
producer
a living thing that makes its own food, like plants and trees
decomposer
a living thing that eats dead plants and dead animals like bacteria and fungi
decomposition
to breakdown or rot
food chain
the transfer of energy or movement of energy from one organism to another
food web
a group of food chains
food
what animals and plants consume
overpopulation
when there are too many of one type of species of animal like deer
endangered
in danger of becoming extinct
shivering
to tremble or shake when cold
salivating
to produce extra spit, saliva
herbivore
a consumer that only eats plants
carnivore
a consumer that only eats animals
omnivore
a consumer that eats both plants and animals
shedding
the removal of fur or skin or scales
texture
how the surface of a substance feels
sort
to group objects according to their features (how they look)
trial
to do something over and over (many tries)
properties
a special quality or character of an object
properties of matter
anything you can observe about an object using your sense. Like mass, size, texture, color and shape
recycle
to collect and reuse materials such as plastic, paper, metal and glass
positive
good outcome
negative
bad outcome like pollution or overpopulation
hypothesis
to make a prediction or a guess. Used by scientists and for science projects
food pyramid
the order that animals eat each other or pass energy to each other in the food chain.
run off
water from the rain that travels above soil and goes down the mountaineer hill
delta
soil that is laid down at the mouth of a river or a lake like the Mississippi River
landform
natural formations on land on Earth's surface like mountain, hill, cliff
glacier
very large sheet of ice that moves slowly over time
volcano
an opening in the Earth in which magma comes out of the opening and turns to lava
mountain
land that is much higher that the surrounding land
plateau
land that is higher than any other land and is flat at the top
plains
large surface of flat land usually found in the Western part of the US
hill
geographical landform that is a little higher than the surrounding land
valley
low land that is found between two or more mountains
weathering
BREAKING up of rocks into sand, soil and other smaller pieces. This is caused by freezing ice, growing roots and strong winds
deposition
the process of dropping or movement of sediments into a new location like when sand moves to a new location when eroding
erosion
the MOVEMENT of sand, rocks, or soil caused by wind, water or ice freezing
soil
this is made up of dead plants and animals as well as small rocks
hummus
made up of decayed plants and animals
soil layers
topsoil, subsoil, bedrock
loam
very rich type of topsoil with a lot of hummus
earthquake
the shaking and movement of the Earth's surface
bedrock
this is found underneath the subsoil and consist of solid rock
topsoil
this is the layer of soil found closest to the Earth and has small grains of soil
subsoil
this is found underneath the topsoil and contains large grains of soil.
water cycle
the continuous movement of water throughout the atmosphere of earth
weather
the condition of the atmosphere at any given moment
precipitation
the water that return to earth as rain, sleet, snow or hail
condensation
when the water vapor changes from a gas to a liquid and forms clouds
evaporation
when the water vapor rises into the atmosphere
groundwater
rain or melted snow that is collected under the ground
hurricane
a storm that is less powerful than a tornado but still causes damage
tornado
fast moving funnel shaped cloud
anemometer
this tells us the wind speed at any given moment
barometer
a tool used to tell us if its cloudy, sunny or if it will rain
wind vane
tells us the direction of the wind at any given moment
rain gauge
this indicates how much rain has fallen on any given time period
day
earth is lit up by the sun
night
opposite of day
axis
an imaginary line through the Earth's center that goes form the North Pole to the South Pole
What causes day and night?
Day and night is caused by the rotation of the earth.
revolve
when one object moves around another object
rotation
turning an object on its axis . for example spinning of a bicycle wheel or rotation of the earth causes day and night.
orbit
the path an object takes as it moves around another object in space
matter
anything that takes up space
solid
This has definite shape and definite volume
liquid
this has definite volume but NO definite shape
gas
this has NO have definite shape and NO definite volume
chemical change
this forms new kind of matter and can never be returned to its original matter for example burning paper
physical change
changes in matter in which NO new kind of matter is made.For example, ripping paper, cutting wood and smashing plates
gravity
an invisible force that pulls all objects toward each other .

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