Physical and Chemical Changes

Which of the following is an example of physical change?

• . Mixing baking soda and vinegar together, and this causes bubbles and foam. 
• A glass cup falls from the counter and shatters on the ground. 
• Lighting a piece of paper on fire and the paper burns up and leaves ashes. 
• Baking a birthday cake for your mother. 

Which of the following is an example of chemical change? 

• Filling up a balloon with hot air. 
• Taking a glass of water and freezing it by placing it in the freezer. 
• A plant collecting sunlight and turning it into food. 
• Your dog ripping up your homework. 

Which change can be easily be reversed? 

• Chemical Change
• Physical Change 
• . Both a physical and chemical change 
• Neither a physical or chemical change 

When a new substance is formed with different properties than the original substance it is called a 

• Chemical change
• Physical change 
• Freezing 
• boiling 

If the chemical properties of a substance remain unchanged and the appearance or shape of an substance changes it is called a

• Chemical change 
• Physical change
• Both a physical and chemical change 
• Neither a physical or chemical change 

Which is an example of a physical change?

• Metal rusting
• Silver tarnishing
• Water boiling 
• Paper burning 

What characteristic best describes what happens during a physical change? 

• Composition changes
• Composition stays the same
• Form stays the same 
• Mass is lost 

Which is an example of chemical change? 

• Water freezes
• Wood is cut
• Bread is baked
• Change in odor 

Which is not a clue that could indicate a chemical change?

• Change in color
• Change in shape
• . Change in energy
• Change in odor

What property stays the same during physical and chemical changes? 

• Density 
• Shape
• Mass
• Arrangement of particle