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25 questions
. Static electricity occurs when negatively charged _____ are rubbed off of one surface and on to another.
electrons
protons
neutrons
atoms
Benjamin Franklin learned that lightning was a form of electricity. What kind of electricity?
static electricity
electromagnet
mechanical energy
potential energy
Who is responsible for inventing the light bulb?
Thomas Edison
Benjamin Franklin
Michael Faraday
Which plant part takes in water and nutrients?
the root
the stem
the petals
the leaves
Which part supports the plant and allows the movement of water and nutrients?
the stem
the root
the leaves
the pistil
Which plant part makes food for the plant?
the leaves
the stamen
the pistil
the flower
The seed forms in the female reproductive part of the flower called the:
pistil
stamen
sepal
flower
Pollen forms on the ends of the male reproductive parts of the flower called the:
stamen
stigma
pistil
sepal
The small leaves that form around the developing flower are the:
sepals
leaves
stem
stamen
Pollen is transferred from the stamen to the pistil in a process called:
pollination
photosynthesis
percipitation
pollution
Most plants reproduce with seeds, but ferns and mosses reproduce with:
spores
seeds
roots
flowers
Green plants produce their own food in a process called:
photosynthesis
pollination
percipation
pollution
To produce food, green plants use:
water
nutrients
carbon dioxide
chlorophyll
glucose (sugar)
Plants are green because of:
chlorophyll
cell wall
large vacuole
cytoplasm
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.
dormancy
laziness
habitat
photosynthesis
An organism's _____ provides food, water, shelter and space.
habitat
community
ecosystem
population
All of the organisms in a forest make up a _______, and all of the organisms in a pond make up a pond _______.
forest community; pond community
pond community; forest community
forest community; ocean community
ocean community; forest community
All energy comes from _____ , and then cycles through the food webs to all of the animals in the community.
the sun
the moon
plants
the air
_______ get energy directly from the sun and use it to make food.
plants
animals
fish
reptiles
Because plants produce their own food, they are called ___________ .
producers
consumers
omnivores
carnivores
Other organism do not get their energy from the sun. They get their energy by:
eating plants
eating animals that have eaten plants
absorbing energy from the sun
Organisms that get their energy from eating plants or other animals are called:
consumers
producers
herbivores
photosynthesis
The sun's energy cycles through the ecosystem in this order:
sun->producers- >consumers>decomposers
sun->consumers->producers->decomposers
sun>decomposers>producers>consumers
sun>consumers>decomposers>producers
All of the interrelated food chains in an ecosystem make up a:
food web
food chain
community
ecosystem
Food chains and food webs always start with a:
plant
consumer
decomposer
carnivore
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