Systems and Scale Review

Which of the following is an example of chemical energy being changed into kinetic energy?

• Digested food giving you energy to jump.

• A battery giving a flashlight energy to light up.

• A hand hitting a drum making music.

• Two liquids mixed together and get hot.

The Law of Conservation of Energy states that__________

• The overall amount of energy remains the same but some energy is completely destroyed during energy transformations
• The overall amount of energy remains the same energy cannot be created or destroyed.
• The overall amount of energy can change depending on the energy conversions that take place. 
• The overall amount of energy can change because sometimes energy is lost to the environment 

What type of energy can chemical transform into?

• Heat
• Light
• Electrical
• All of the above

What kind of energy is represented in the picture?

• Thermal
• Chemical
• Sound
• Nuclear

A car converts the ______energy in gasoline into _______when it moves.

• thermal

• Electrical

• chemical

• Mechanical

• Solar

The energy in the taco the boy is eating contains________ energy and it is converted into _______energy when he walks.

• Solar

• Chemical

• Electrical

• Mechanical (motion)

The logs contain_______energy and is converted into________energy

• Solar

• Electrical

• Chemical

• Electrical

• Thermal

How can invisible and scentless gasses like carbon dioxide be detected?

• By using a magnifying glass

• By using your nose to smell the gas

• By observing color change in a gas detecting substance

• By listening for changes in sound

What is the relationship between the color of bromothymol blue and the amount of carbon dioxide in the air?

a

b

More Carbon Dioxide

Little to No Carbon Dioxide

What gas is released when peat burns?

• Carbon Dioxide

• Oxygen

• Smoke

• Nitrogren