Match the following

• Nitrogen

• O

• Iron

• Na

• Sodium

• N

• Oxygen

• Fe

Match the following

• Sodium Nitrite

• NaNO₂

• Iron

• NaNO₃

• Fertilizer

• Fe

• Rust

• Fe₂O₃

Tags

NGSS.MS-PS1-1

Organize these options into the right categories

Groups:

(a) Reactants

,

(b) Products

• Fe

• NaNO₃

• Fe₂O₃

• NaNO₂

Tags

NGSS.MS-PS1-1

The reddish-brown substance is ____ from the pipe substance (Fe) and from the contaminant of the water supply (NaNO₃).

Tags

NGSS.MS-PS1-2

Evidence for this is that each of their properties (color and texture) is so different due to the fact that the _________ ____ _____ of each substance is different.

Tags

NGSS.MS-PS1-1

The contaminant in the water is

• fertilizer

• rust

• iron

• sodium

Tags

NGSS.MS-PS1-2

The chemical formula for the reddish brown substance is

• Fe(OH)₃

• Fe

• Fe₂O₃

• NaNO₃

Tags

NGSS.MS-PS1-1

Scientists can use __________ to help them distinguish between different substances.

• properties

• boiling point

• melting point

• freezing point

Tags

NGSS.MS-PS1-2

Substances are made entirely of _____, which are extremely small and are not visible to the naked eye.

Tags

NGSS.MS-PS1-1

Substances have different __________ because they are made of different repeating groups of atoms.

Tags

NGSS.MS-PS1-1