Comparing and Measuring
Balance and Motion
Pebbles, Sand, and Silt
Organisms
Hodge Podge
100
smaller or larger copy of something
What is a model?
100
a straight line around which something rotates
What is an axis?
100
small piece
What is a particle?
100
to continue to live
What is survive?
100
broken down earth materials
What is sediment?
200
where an object begins
What is a beginning point
200
how high or low a sound is
What is pitch?
200
rotting and decomposing of living things
What is decay?
200
alive
What is living/biotic?
200
object not usually used to measure
What is a nonstandard measuring unit?
300
how far apart objects are
What is distance?
300
the act of moving
What is motion?
300
a layer of soil made of decayed plants and animals
What is humus?
300
all living and non-living things found together in an environment
What is an ecosystem?
300
a push or a pull
What is force?
400
unit of measurement lines up with the beginning point of an object
What is a common starting line?
400
a rod inside a wheel that makes it move
What is an axle?
400
combination of two or more materials that can be taken apart
What is mixture?
400
having to do with land (such as forest and grassland)
What is terrestrial?
400
when animals conceal their appearance by blending or changing their appearance
What is camouflage?
500
moving a nonstandard measuring unit repeatedly to measure an object while marking the beginning and ending points
What is iteration?
500
a force that pulls things toward the earth's ground
What is gravity?
500
earth's materials are either broken down or changed into other kinds of minerals by the weather
What is weathering
500
protective outside covering of an animal without a backbone
What is an exoskeleton?
500
a simple path that shows how energy moves from one organism to the next
What is a food chain?
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