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Science
7th Grade
09/30/2011

Additional Science Flashcards

 


 

Cards

Term

instinctive behavior

 

 

 

 

 

                                                            TH-C1

Definition

a behavior an animal is born with.

 

 

 

 

 

Humans are born with a few instinctive behaviors.

Term

learned behavior

 

 

 

 

 

                                                            TH-C1

Definition

a behavior that comes from teaching or experience.

 

 

 

Humans have learned behaviors.

Term

forager

 

 

 

      

 

                                                          TH-C1

 

 

Definition

an organism that searches for food.

 

 

 

 

I am not a forager.

Term

valid

 

 

 

 

 

                                                            TH-C1

Definition

well grounded or justifiable.

 

 

 

 

 

I am a valid person.

Term

predator

 

 

 

 

 

                                                            TH-C1

Definition

an organism that eats parts or all of another organism.

 

 

 

 

Humans have very few predators.

Term

model

 

 

 

 

 

                                                            TH-C1

Definition

a representation of something in the world.

 

 

 

 

 

I have made a model of the solar system.

Term

simulation

 

 

 

 

                                                            TH-C1

Definition

use of a model to imitate, or act out real life situations.

 

 

 

 

I dont under stand why they use simulations.

Term

receptor cells 

 

 

 

 

 

                                                            TH-C1

Definition

the cells that receive information from the world and send it to the brain.

 

 

 

 

How many receptor cells are in your body?

Term

ultraviolet light 

 

 

 

 

 

                                                            TH-C1

Definition

a kind of light not visible to the human eye.

 

 

 

 

 

I wish i could see in uv light.

Term

criteria

 

 

 

 

 

                                                            TH-C1

Definition

goals that must be satisfied to successfully achieve a challenge. 

 

 

 

 

I always meet my criteria.

Term

constraints 

 

 

 

 

                                                                 TH-C1

Definition

factors that limit how you can achieve a challenge.

 

 

 

 

I dont have many constraints. 

Term

rod cells

 

 

 

 

                                                                 TH-C1

Definition

a type of cell found in the retina.

 

 

 

 

Why cant rod cells see colors?

Term

cone cell

 

 

 

 

                                                                 TH-C1

Definition

a type of cell found in the retina that only sees one color red,green,or blue. 

 

 

 

Why does it only see one of those colors?

Term

retina 

 

 

 

 

                                                                 TH-C1

Definition

a membrane sensitive to light that lines the back portion of the inside of the eye.

 

 

 

My retina is not good.

Term

electromagnetic radiation

 

 

 

 

TH-C1

Definition

a wave that travels through space and carries energy.

 

 

 

How did people find out about this?

Term

reproduce

 

 

 

 

                                                                 TH-C1

Definition

to produce offspring.

 

 

 

 

All animals have to reproduce.

Term

sound wave 

 

 

 

 

                                                                 TH-C1

Definition

the movement of molecules in a pattern, repeated over and over again, very rapidly.

 

 

 

How do sound waves form? 

Term

compression 

 

 

 

 

                                                              TH-C1

Definition

part of a sound wave where molecules are pushed together.

 

 

 

Why do they call it a compression?

Term

rarefaction 

 

 

 

 

                                                              TH-C1

Definition

part of a sound wave where molecules are spread apart.

 

 

 

I dont know a sentence to write about rarefaction.

Term

wavelength 

 

 

 

 

                                                              TH-C1

Definition

the size of a wave measured from one compression to another.

 

 

 

The wavelength of some waves is big.

  

 

 

 

 

Term

pitch

 

 

 

 

                                                              TH-C1

Definition

a measure of the frequency of the vibration of the source of a sound.

 

 

 

Some pitch can be high or low.

Term

hertz

 

 

 

 

                                                              TH-C1

Definition

a unit used to measure frequency.

 

 

 

 

How many hertz does it take to measure ten waves.

Term

amplitude 

 

 

 

 

                                                              TH-C1

Definition

the property of a sound wave related to how packed the molecules are.

 

 

 

What is amplitude used for?

Term

ear canal 

 

 

 

 

                                                              TH-C1

Definition

a tube like structure connecting the external ear to the eardrum.

 

 

 

Everyone has an ear canal. 

Term

eardrum 

 

 

 

 

                                                              TH-C1

Definition

the membrane separating the outer ear from the inner ear.

 

 

 

You dont want to rupture your eardrum. 

Term

hammer 

 

 

 

 

                                                              TH-C1 

Definition

the first in a series of three small bones in the middle ear. 

 

 

 

The hammer bone really looks like a hammer and thats why they call it that.

Term

anvil 

 

 

 

 

                                                              TH-C1

Definition

the second in a series of three small bones in the middle ear.

 

 

 

I dont know what the anvil bone looks like. 

Term

stirrup 

 

 

 

 

                                                              TH-C1

Definition

the third in a series of three small bones in the middle ear.

 

 

 

the stirrup is the last bone in the ear.

Term

cilia 

 

 

 

 

                                                              TH-C1

Definition

tiny hairs that line the cochlea and help turn vibrations into nerve impulses.

 

 

 

I think the cilia is very important.

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