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Fourth Grade Review
4th grade science vocabulary
36
Science
4th Grade
02/19/2016

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Cards

Term
The small leaves that form around the developing flower are the:
Definition
sepals
Term
Who invented the light bulb:
Definition
Thomas Edison
Term
Which plant part takes in water and nutrients?
Definition
The roots
Term
Which part supports the plant and allows the movement of water and nutrients?
Definition
The stem
Term
Which plant part makes food for the plant?
Definition
the leaves
Term
The seed forms in the female reproductive part of the flower called the
Definition
pistil
Term
Pollen forms on the ends of the male reproductive parts of the flower called the:
Definition
stamen
Term
Pollen is transferred from the stamen to the pistil in a process called:
Definition
pollination
Term
Most plants reproduce with seeds, but ferns and mosses reproduce with:
Definition
spores
Term
Green plants produce their own food in a process called:
Definition
photosynthesis
Term
To produce food, green plants use:
Definition
water, nutrients, sunlight, carbon dioxide (from the air) and chlorophyll
Term
Plants are green because of:
Definition
chlorophyll
Term
Many plants enter a period of ______ in the winter, which is similar to hibernation for animals. During this period most of their normal activities stop.
Definition
dormancy
Term
An organism's _____ provides food, water, shelter and space.
Definition
habitat
Term
All of the organisms in a forest make up a _______, and all of the organisms in a pond make up a pond _______.
Definition
forest community; pond community
Term
All energy comes from _____ , and then cycles through the food webs to all of the animals in the community.
Definition
the sun
Term
_______ get energy directly from the sun and use it to make food.
Definition
plants
Term
Because plants produce their own food, they are called ___________ .
Definition
producers
Term
Other organism do not get their energy from the sun. They get their energy by
Definition
eating plants, or eating animals that have eaten plants.
Term
Organisms that get their energy from eating plants or other animals are called:
Definition
consumers
Term
The sun's energy cycles through the ecosystem in this order:
Definition
sun->producers->consumers >decomposers
Term
All of the interrelated food chains in an ecosystem make up a:
Definition
food web
Term
Food chains and food webs always start with a:
Definition
plant
Term
The food chain starts with a producer (a plant) and ends with a:
Definition
decomposer
Term
Decomposers like ______ break down organisms and recycle them back to the nutrient pool.
Definition
fungi
Term
All of the living and nonliving things in an environment make up:
Definition
an ecosystem
Term
Everything in an ecosystem depends on everything else. Humans often destroy ecosystems by:
Definition
polluting ponds, chopping down forests, etc.
Term
the role an oraganism plays in its environment
Definition
niche
Term
The niche of every organism is different, and an organism's niche changes as it grows. A niche is the organism's role in the community, and includes
Definition
what it does, what it eats, and what eats it.
Term
All organisms have _________ that allow it to survive in its environment
Definition
adaptations
Term
Structural adaptations are __________ that help an organism survive, like long beaks, webbed feet, camouflage.
Definition
body parts
Term
Behavioral adaptations are things that organisms do to survive. Examples of behavioral adaptations are:
Definition
migration, hibernation, instincts, etc
Term
The measure of the amount of heat energy in the atmosphere is:
Definition
temperature
Term
The amount of moisture in the air is:
Definition
humidity
Term
The weight of the air causes:
Definition
air pressure
Term
Air circulates around the Earth in big chunks called:
Definition
air masses
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