LS2.7

Oxpeckers eat ticks off of rhinos, which causes oxpeckers to be protected and rhinos to have healthy skin.

• parasitism :) :(

• commensalism :) :-|

• mutualism :) :)

A flea feeds on the mouse’s blood and

harms the mouse.

• parasitism :) :(

• commensalism :) :-|

• mutualism :) :)

What does this picture represent?

• Two hydrogen (H) atoms and one oxygen (O) atom.

• A water molecule of 2 hydrogen (H) atoms joined with 1 oxygen (O) atom.

• 3 gumdrops joined together with toothpicks.

Tags

NGSS.MS-PS1-1

What change of state is shown in this picture?

• liquid to solid

• liquid to gas

• solid to liquid

• solid to gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What change of state is shown in this picture?

• liquid to solid

• liquid to gas

• solid to liquid

• solid to gas

Tags

NGSS.MS-PS1-4

What are properties of matter?

• Something you own.

• A piece of land.

• Characteristics that can be used to tell substances apart.

• ways to describe the state of matter of a substance.

Tags

NGSS.5-PS1-3

What is malleability?

• The ability to scratch or be scratched

• The ability to be bent, flattened, rolled or twisted.

• What something feels like (rough, smooth, bumpy, etc)

• How shiny or dull something is.

What is luster?

• The ability to scratch or be scratched

• The ability to be bent, flattened, rolled or twisted.

• What something feels like (rough, smooth, bumpy, etc)

• How shiny or dull something is.

What is an atom?

• an element

• The tiniest part of matter

• two or more atoms joined together

Tags

NGSS.MS-PS1-1

What is a molecule?

• an element

• The tiniest part of matter

• two or more atoms joined together

Tags

NGSS.MS-PS1-1