Show:
6th Grade Energy
6th Grade Matter
7th Grade Cells
7th Grade
8th Grade Earth/Space
100
What is potential energy?
The amount of stored energy in an object 
100
What is density and how do you calculate it?
Mass that fits in given volume.

Mass/Volume

100
What is the smallest unit of all living things?
The Cell
100
What is an organisms ability to maintain a steady condition?
Homeostasis
100
What is an independent variable?
The variable that you change. 
200
What is conduction?
Heat results from particles colliding

Objects have to touch 

200
What state of matter has the most amount of energy?
Gas. Particles are moving very fast and are spread out. 
200
What are 2 examples of multi-celled organisms?
Plants, Animals, Fungi
200
What are the 2 types of factors involved in an ecosystem?
Biotic and Abiotic

Living and non-living

200
What does any time of rock have to go through to become a metamorphic rock?
Intense heat and pressure
300
What is mechanical energy?
Total energy of an object

Sum of Kinetic + Potential energy 

Turns wheels on a car and moves your body

300
What is evidence of a physical change?

Name 3. 

Size, shape, phase change, number of pieces of a substance
300
Explain the difference between prokaryotic and eukaryotic cells.
Prokaryotic cell - No nucleus or other membrane - bound organelles
300
Explain the difference between endothermic and exothermic organism.
Endothermic: maintain its own internal body temp. 

Exothermic: Cannot maintain. Must use and outside source

300
What 2 forces create currents in the ocean?

Wind, Temperature, Salt

400
How would potential energy be converted to kinetic energy?
An object at rest begins to move.

A ball is thrown across a field. 

400
What is diffusion?
How particles spread out.

Always move from high concentration to low

400
Explain the difference between one- celled organisms and many-celled organisms. 
Unicellular performs all life functions itself

Multicellular - is depending in some way on other cells, cells are specialized to do certain jobs

400
Complete a punnett square with the following information.

Parents Hh X hh

Hh, hh, hh, hh
400
What is an index fossil
Fossils of organisms that are used to date the rock layer that it was found in. 
500
How is energy transferred through sounds waves?
Sounds are produced by vibrations of objects. 

Vibrations cause the molecules of a material to vibrate and this forms a wave that travels through the material

500
How do you calculate speed?
Distance/Time
500
Name 2 organelles that plants have that animal cells DO NOT
Chloroplasts, cell wall, central vacuole
500
Name the 5 main kingdoms of life.
Plants, Animals, Protists, Fungi, Monerans
500
What process causes day and night?
Rotation of Earth on its axis once per day.