H2O
What chart in the classroom will help you explain how water molecules are behaving?
Phase Change Anchor chart
The 4 spheres of Earth are?
Geosphere, Hydrosphere, Biosphere and Atmosphere
What are the two variables we reviewed in class found within a lab?
Independent Variable
Dependent Variable
What is is Mr. Frost's favorite dinosaur?
Spinosaurus
How many molecules are in a single drop of water?
A trillion or more! (Trillion is ok)
When molecules of water evaporate the molecules?
Spread out and speed up
Which sphere of Earth is made of all of the liquid water and solid water (Ice)?
Hydrosphere
Which variable in an experiment is the one the scientist changes?
Hint: If you were the scientist you would say "I am changing this variable."
Independent Variable
Remember I change the Independent variable
What evidence do we have that dinosaurs existed and are now excite?
Fossils!!!!!!!
What symbol do we use when drawing a water molecule?
Mickey Mouse head
When molecules of water condense it is because those molecules get......
Cold or cool
Which sphere of Earth contains all living and dead things?
Biosphere
This variable changes depending on another variable?
Dependent Variable
Are pterodactyl's dinosaurs?
No
How can water molecules interact with the geosphere?
They can CARVE new shapes into the surface of Earth.
When water vapor condenses the molecules do what??
Come together and slow down
When lava hardens into rock it adds to this sphere of the Earth?
Geosphere
Students are growing grass in class. They measure the height of grass every week for 3 weeks. What is the dependent variable? Results are below
Height of the grass in inches
What two sphere contributed to the excision of dinosaurs?
Geosphere and Atmosphere
During Chromatography Water molecules separated dye molecules. What property of matter dose water use to sepperate dye molecules?
Attraction (+/-)
Which phase change requires energy from the sun to take place?
Evaporation
All of them, they are in a delicate balance and one will effect another.
Students are growing grass in class. They measure the height of grass every week for 3 weeks. What is the independent variable?
When they measure the grass. (Weekly measurements)
Using the graph below which country(s) have the highest number of dinosaur fossils found in it? How do you know?