Rusting/chemical reactions

What element rusts?

• carbon
• iron
• manganese
• potassium

What environmental element assists rusting?

• nitrogen
• carbon
• oxygen
• hydrogen

Which type of metal doesn't rust at all?

• steel
• iron
• copper

A rusting bicycle

• physical change
• chemical change

What conditions are required for rusting? 

• dry cold conditions
• hot damp conditions
• dry hot conditions

Which metals can rust?

• All metals
• Only Iron
• Metals more reactive than Iron

Rusting is an example of

• oxidation
• reduction

When a scientist mixed two chemicals, an exothermic reaction takes place. Which of the following would be proof that the reaction was exothermic?

• a change of color
• a change of state
• a temperature decrease
• a temperature increase

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What types of reactions absorb and release heat?

• acidic and basic
• endothermic and exothermic
• endothermic and heat transfusion
• covalent and ionic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

A scientist combines chemicals and produces an exothermic reaction. What byproduct of this reaction would show that it is exothermic?

• heat
• coolness
• a precipitate
• gas bubbles

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4