Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read 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.
Don't know
Know
remaining cards
Save
0:01
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:
Retries:
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

science exam revisio

semester 2 topics

QuestionAnswer
newtons The unit that force is measured in.
non contact force The force which acts on an object without physically having to come in contact with the object
spring balance the instrument in which we use to measure force(newtons)
weight The force of gravity on the object. mass x gravity.
mass The amount of matter that is in an object. mass never changes.
spring tide A tide just after a full or new moon.
probe a spacecraft that travels through space to collect data and scientific information to send back to scientists
luna eclipse A lunar eclipse occurs when the sun and moon are in line but on opposite sides of the earth making the moon be in the shadows
static electricity The imbalance of electric charges within or on the surface of a material.
buoyancy The force that causes objects to float in water or some form of liquid.
planet order mercury, Venus,earth, mars, Jupiter, Saturn, Uranus, Neptune, Pluto (all though we don't usually include Pluto as it is a dwarf planet.
mitochondria produces energy, it is called the power house
cell wall a structural layer surrounding some types of cells, just outside the cell membrane
microscope we use microscopes to view cellular structures.
what causes the seasons Seasons are caused by the 23.5 degree tilt of the earths axis away or towards the sun as it travels in orbit around the sun
friction The resistance that one surface or object encounters when moving or rubbing against another.
Created by: tmales.12