Bellwork 1 Week 4 1st Nine Weeks

Which of the following below is a chemical property? 

• Color
• Density
• Boiling Point
• Reactivity with Acid

Which of the following situations is evidence of chemical change? 

• Boiling water produces steam
• Adding vinegar to baking soda makes foaming bubbles
• Sharpening a pencil
• Cutting paper

The fact that sugar can be white is a 

• Chemical Property 
• Physical Property 
• Both A and B
• None of the above 

Flammability is a 

• Chemical Property 
• Physical Property 
• Both A and B
• None of the above 

An antacids (TUMS) ability to change pH in your stomach is an example of a 

• Chemical Property 
• Physical Property 
• Both A and B 
• None of the above 

After blowing out the flame on the candle, James noticed the wick changed from white to black, this is a

• Physical Property
• Physical Change
• Chemical Property 
• Chemical Change 

The mass of the candle is 2.12 grams, this is a 

• Physical Property 
• Physical Change
• Chemical Property 
• Chemical Change 

Which is a physical change?

• burning match 
• vinegar in baking soda 
• melting butter
• cooking an egg

A description of objects that can be measured and observed.

• gas
• mustangs
• physical properties
• melting point

Match the following

• Dissolving sugar in water

• Chemical change

• Ethyl alcohol evaporates

• Chemical change

• Digesting food

• Physical change

• Burning gasoline

• Chemical change

• Milk sours

• Physical change