Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

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.

Remove ads
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

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

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


Define the scientific method. Making hypothese about sets of observations and testing the hypotheses.
Identify basic processes of heredity ( the heirarchy of biological organization) Molecule-organelle-cell-tissue-organ-organism
Classifying Life Species, genus, family, class, phylum, kingdom
Bacteria single celled living organisms.
true or false All bacteria are prokaryotes True
Most bacteria in moist or water-based environments
viruses Are not alive. They do not have the ability to independently maintain homeostasis
1st line of defense how a human body fights desease. Skin, mucous membranes, and secretions.
2nd line of how a human body fights desease. Phagocytes, antimicrobial proteins, inflammation
The seven characteristics of living things. Composed of cells, require energy, reproduce, display heredity, respond to environment, maintain homeostasis, evolve and adapt.
The linnaean classification system Kingdom, phylum, class, order,family, genus and species.
Mercury can only be seen at sunset. no moon
Venus Hottest, almost same size and mass as Earth. Rotates in opposite direction of other planets. No moon
Mars Red planet, dry, rocky, impact craters, frozen ground. Two moons and 1/2 the size of Earth.
Jupiter Mainly gas, largest planet, 16 named moons, no season.
Saturn Rings consist of rock and ice, flatten shape, 18 named moons, and a gas giant.
Uranus Lays on it side and rolls around the sun, blue, extreme seasons, frozen with molten core.
Inheritance Is the process by which an offspring cell or organism acquires or becomes predisposed to characteristics of its parent cell or organism.
Bones found in the jaw of reptiles are found in the inner ear of mammals and provide evidence that ... mammals are descended from reptiles. Had characteristics of both reptiles and birds, thus providing evidence that birds are descended from reptiles.
Neptune Gaseous, frigid, blue, seasons last 40 years and has 2 moons
Gravity Causes objects to fall
Weathering Is the process of the breaking down of rocks, soil, and their menerals through natural, chemical, and biological processes.
Erosion Is the movement of solids by the agents of wind water, ice, movement in response to gravity or living organism.
Atoms, Molecules, or Both. Have a positively charged nucleus Atoms
Atoms, Molecules, or Both Can be made of a group of the same elements or can be made of a group of different elements Molecules
Atoms, Molecules, or Both Can be held together by a weak force called van der Waals interactions Both
Atoms, Molecules, or Both Number of eletrons available for bonding determines how they will react chemically Both
Atoms, Molecules, or Both Can be held together by covalent bonding Molecules
Kinetic Energy The form of energy associated with motion.
Potential Energy Stored energy( such as water behind a dam) Potential energy is converted into kinetic energy.
Cape Is a pointed piece of land that sticks out into a sea, ocean, lake, or river.
Velocity the rate at which an object changes position. Speed with a direction.
Speed How fast an object is moving.
Created by: starham