LS2

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

Which statement is true about these models?

• Model 1 and Model 2 are made of the same types of atoms.

• Model 1 and Model 2 are made of different atoms.

• Model 1 and Model 2 have the same number of atoms.

• Model 1 and Model 2 have the same number of each type of atom.

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

List the steps of the scientific method

d

e

f

c

b

a

Analyze results

Form a hypothesis

Draw conclusions

Ask a question

Conduct experiment

Communicate results

Tags

NGSS.MS-PS2-2

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 do the arrows in a food chain represent?

• Who eats who

• Movement of sunlight

• Movement of energy

• How hungry an organism is

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Critique this part of the food web, why is it wrong?

• Its wrong because Deer give energy to hawks

• Its wrong because Deer gets energy from grass

• Its wrong because Deer does not do anything with grass

• Its wrong because Deer get energy from rabbits

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Who is the Secondary Consumer in this food chain?

• Grass

• Grasshopper

• Mouse

• Owl

Tags

NGSS.MS-LS2-3

Who is the Primary Consumer in this Food Chain

• Phytoplankton

• Crustacea

• Fish

• Dolphin

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3