Busy. Please wait.
Log in using Clever

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Science Vocab

The basic unit of structure and function in living things. cell
An instrument that makes smaller things look larger. microscope
A widely accepted explanation of the relationship between cells and living things. cell theory
A rigid supporting layer that surrounds the cells of plants and some other organisms. cell wall
A thin, flexible barrier that surrounds a cell and controls which substances pass in and out of a cell. cell membrane
In cells, a large oval organelle that contains the cells genetic material in the form of DNA and controls many of the cells activities. nucleus
A tiny cell structure that carries out a specific function within the cell. organelle
A small grain - shaped organelle in the cytoplasm of a cell the produces proteins. ribosome
The thick fluid region of a cell located inside the cell membrane or between the cell membrane and nucleus. cyptoplasm
Rob - shaped organelles that convert energy in food molecules to energy the cell can use to carry out its functions. mitochondria
An organelle that forms a maze of passageways in which proteins and other materials are carried from one part of the cell to another. endoplasmic reticulum
An organelle in a cell that receives proteins and other newly formed materials from the endoplasmic reticulum, packages them, and distributes them to other parts of the cell. Golgi apperatus
A sac - like organelle that stores water, food, and other materials. vacuole
An organelle in the cells of plants and some other organisms that captures energy from sunlight and changes it to an energy form that cells can use in making food. chloroplast
A cell organelle which contains chemicals that break down large food particles into smaller ones and that can be used by the rest of the cell. lysosome
consisting of many cells multicellular
made of a single cell unicellular
A group of similar cells that perform a specific function. tissue
A body structure that is composed of different kinds of tissues that work together. organ
A group of organs that work together to perform a major function. organ system
Created by: avabca



Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards