Crash Course Kids Chemical Changes

Which of the following is observed here?

• A physical change because you have the same types of atoms

• A physical change because you are just breaking the atoms up

• A chemical change because you are forming a new substance

• A chemical change because atoms are involved

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A change where one or more new substances are created.

• Physical Change 

• Chemical Change 

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of these is a result of a chemical change?

• A mixture

• A solution

• A new substance

• Melting or freezing

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Wood burned in a fireplace

• Chemical Change

• Physical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

When your food energy is made into energy that you use to run, energy is changing from...

• Thermal to chemical

• Chemical to electrical

• Mechanical to electrical

• Chemical to mechanical

When you eat a meal and your temperature increases, you are transforming...

• Thermal energy into mechanical energy

• Radiant (light) energy into mechanical energy

• Chemical energy into mechanical energy

• Chemical energy into thermal energy

Tags

NGSS.MS-LS1-7

What kind of energy is food?

• Thermal energy

• Mechanical energy

• Solar energy

• Chemical energy

Tags

NGSS.MS-LS1-7

When you eat lunch and then talk to your friend, that is a conversion of...

• Chemical energy to sound energy

• Mechanical energy to wind energy

• Chemical energy into mechanical energy

• Sound energy into thermal energy

What is a chemical change?

• A process where substances combine to form a mixture

• A change where one or more new substances are created

• A change in the state of matter without forming new substances

• A process of dissolving a solid into a liquid

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is an example of a chemical change?

• Melting ice

• Burning wood

• Boiling water

• Breaking glass

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5