Physical Changes vs. Chemical Changes

As you watch your mom cook dinner, you notice that she is cooking rice.  What kind of change is this?

• physical
• chemical

It's a very cold day, you notice that the puddles on the ground have frozen.  What kind of change is this?

• physical
• chemical

The ice in your cup of water has melted.  What kind of change is this?

• physical
• chemical

You have left your bicycle outside for several months.  You notice that there are now several rust spots.  What kind of change is this?

• physical
• chemical

You notice a banana sitting on the kitchen counter. And after a week the banana has turned brown and black.  The banana has undergone a _____change.

• physical
• chemical

You hold some colored candies in your hand.  Shortly, you notice that the colors are now on your skins.  What kind of change is this?

• physical
• chemical

It's the 4th of July.  You are watching the fireworks explode in the sky!  The fireworks are an example of what kind of change?

• physical
• chemical

Your best friend buys a brand new soccer ball, and you pump air into it.  What kind of change is this?

• physical
• chemical

Your mom is cooking breakfast on a Saturday morning.  She is making fried eggs for the family.  What kind of change is this?

• physical 
• chemical

A chocolate candy bar melts while inside a car or hot summer day.  What kind of change is this?

• physical 
• chemical