Cells
Plant and animal cells all have the same organelles. True or false
False
An automatic behavior related to survival. Some examples are blinking and breathing.
Instinct
An animal without a backbone
invertebrate
An organism that is too small to be seen with the naked eye.
microorganism
A type of change in which the substance stays the same.
physical change
The three states of matter
solid, liquid, gas
The process of wearing rocks away.
weathering
A wall like structure that sticks out into the ocean.
jetty
A build up of charges
static electricity
The basic unit of structure and function in all living things.
cell
Physical characteristics passed on through DNA such as eye color.
Inherited traits
There are more of this animal than any other in the world.
insect
This microorganism turns milk into yogurt.
bacteria
When two or more different substances are combined, like Chex Mix.
mixture
Matter changing from one state to another such as water to ice is an example of this type of change.
physical
erosion
A hill of sand shaped by the wind.
sand dune
An example of static electricity in nature.
lightning
This directs the cells' activities. It is known as the "brain" of the cell.
nucleus
A behavior that an organism gains through watching others or experience.
Learned behavior
The vertebrate group that has hair and produce milk for their young.
mammals
yeast
Give one sign that a chemical change has taken place.
bubbles (production of a gas), production of light or heat, precipitate forms, change of odor, change of color
Molecules that spread out as far from each other as possible.
gas
The area of new land found at the mouth of a river.
delta
The sections of Earth that float on top of the mantle.
plates
A material that allows electricity to flow through.
conductor
The jellylike substance the organelles of a cell are "floating" on.
cytoplasm
A trait that occurs later in life such as a scar.
Acquired trait
This vertebrate group has feathers which help some of them fly.
birds
Penicillin is a substance made by mold, which is used as an antibiotic. Is this considered harmful or beneficial?
benificial
Cutting wood with a chain saw.
physical change
A liquid is cooled and will change to this state.
solid
The process of sediment being dropped off in a new location.
deposition
What type of force is deposition?
constructive
A material that does not allow electricity to flow through.
insulator
The two organelles that are found in the plant cell but not the animal cell.
cell wall and chloroplasts
The ability to roll your tongue is an example.
Inherited trait
This vertebrate group has scaly skin, lays eggs, and are cold-blooded.
reptiles
Salmonella and E. coli can grow on raw foods and can make you very sick. Is this considered beneficial or harmful?
harmful
A change where a new substance is created.
chemical change
When a solid is heated, it changes to this state.
liquid
We build dams and levees to control this.
flooding
This can be both constructive and destructive.
Earthquake or volcano
Copper, iron, and water are all good types of this.
conductors
The process of making food for the plant cell.
photosynthesis
A broken bone is an example of...
Acquired trait
This vertebrate group has scales and live in water their entire life
fish
Ringworm and red tide are caused by this.
harmful microorganisms
Baking a cake
chemical change
Particles of matter that are packed tightly together and have very little room to move.
solid
A person who studies earthquakes.
seismologist
These are deep valleys with steep sides made and shaped by moving water.
canyons
Charges that are the same always do this.
repel