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Casteel 4th Review 1

VA 4th Grade Science SOLs

TermDefinition
observation Something that you can notice with one of your senses. The ball is red, the pan is hot, the egg smells like sulfur.
prediction A statement about something happening in the future. It will rain later today, he will pass the SOL test.
motion An objects speed and direction describe the objects:
friction _______ is a force that opposes (works against) motion.
heat Friction creates:
kinetic Moving objects have ________ energy.
conductor A __________ is a material that allows electricity to flow easily through it,
metals Most ___________ are conductors because they allow electricity to flow easily through them.
insulator A _________ is a material that does NOT allow electricity to flow easily through it.
insulators Wood, plastic, and rubber are examples of ____________.
closed A complete circuit that allows electrical current to flow
open An incomplete circuit that does NOT allow electrical current to flow
series A circuit that only has ONE pathway for electricity to flow
parallel A circuit that has two or more pathways for electricity to flow
static When two objects rub against each other, negatively charged electrons build up and cause _________ electricity.
lightning Ben Franklin discovered that _____________ was a form of static electricity in the atmosphere.
electrical _____________ energy can be turned into heat, light, and kinetic energy.
electromagnet Coiling (wrapping) a wire around a nail and running electrical current through the wire creates a(n):
magnetic field A magnet has a __________ _________ that is strongest at the poles and weakest in the middle of the magnet.
attract Opposite poles of a magnet will _______ each other.
repel Similar (like) poles of a magnet ______ each other.
Faraday This man worked with electromagnets and made the first electric motor
leaves Where does the plant make its food?
roots What part of the plant anchors it to the ground?
flower What part of the plant is for reproduction?
fruit On some plants, the flower turns into a:
stamen The male part of the flower that produces the pollen
pistil The female part of the flower
sepals The green leaflets that protect the flower before it opens
embryo The __________ will grow into a seed after it is fertilized.
spores Ferns, mosses, and fungi don't make seeds, they make:
carbon dioxide During photosynthesis, plants need ________ _______ from the atmosphere.
oxygen During photosynthesis, plants release ___________ into the atmosphere.
sugar During photosynthesis, plants create ________ for the plant to use.
dormancy In the fall, when plants drop their leaves they enter a period of rest called:
behavioral Birds flying south for the winter and a porcupine curling into a ball are examples of a _____________ adaptation.
structural A ducks webbed feet and a penguins high body fat are __________ adaptations.
population All of the deer in an area would be an example of a:
community All of the living things in an area would be an example of a:
ecosystem All of the living and non-living things in an area would be an example of an:
producer A food chain always starts with a plant which is a :
consumer A food chain always has a predator at the top which is a:
decomposer A food chain always ends with a fungus or some other:
habitat A __________ is where an organism lives and gets its food, shelter, and space.
niche An organisms ____________ is where it is most comfortable. It is where an organism lives, what it eats, and what eats it.
barometer A ____________ is a weather instrument that measures air pressure.
anemometer A ___________ is a weather instrument that measures wind speed.
rain gauge A ______ ______ is a weather instrument that measures precipitation.
thermometer A __________ is a weather instrument that measures temperature.
cirrus High-thin wispy clouds
cumulus Puffy white (cotton ball) clouds
stratus Thick grey blanket clouds
cumulonimbus Storm clouds
hurricane A __________ is a strong circular storm that starts over warm ocean water.
rotation To spin on its axis
revolution To make one trip around something
revolves The Earth ____________ around the sun.
rotates The Earth ___________ on its axis.
seasons The tilt of the Earth on its axis causes the :
waxing As we see more and more of the moon, we say it is:
waning As we see less and less of the moon, we say it is:
month The moon goes through all of its phases about once a:
sun The diameter of the __________ is about 110 times the diameter of the Earth.
moon The diameter of the ___________ is about 1/4 the diameter of the Earth.
yellow The Sun is a medium sized _________ star.
Galileo Copernicus and ______________ correctly believed that the Sun was the center of the solar system.
Aristotle Ptolemy and ____________ incorrectly believed that the Earth was the center of the solar system.
watershed All of the land drained by a river is called the
Holston HOT TOMATOES ON MY GRILL is a way to remember our watershed address. H stands for
coal Lumber and ___________ are important natural resources in Virginia.
Created by: lkcasteel