Energy Transformations

When you eat pizza, Chemical Energy is transferred to _____ Energy.

• Solar
• Electrical
• Mechanical
• Chemical

Which of the following shows the correct order of the energy transformations that occur when green plants produce their food from the Sun’s energy?

• chemical → thermal
• light → chemical
• thermal → light
• chemical → electrical

People get energy from the food that they eat and transform that energy as they move. Which energy transformations occur as a student rapidly rubs the palms of his hands together?

• mechanical to thermal to electrical
• chemical to mechanical to thermal
• mechanical to chemical to sound
• chemical to sound to electrical

Energy transformations occur when...

• energy is created through conduction
• energy changes from one form to another
• two forces slide together that are touching
• a chemical reaction takes place

We receive ________ and heat energy from the Sun.

• sound

• mechanical

• light

• kinetic

what type of energy is stored in a battery?

• electrical
• chemical
• thermal
• mechanical

The picture showing the energy conversion

Chemical → heat

is:

• 
• 
• 
• 

What is the energy conversion when you burn wood for a fire?

• electrical to thermal

• light to kinetic

• chemical to thermal

• chemical to electrical

What is the energy conversion when photosynthesis takes place as the sun makes a plant grow?

• electrical to chemical

• potential to nuclear

• chemical to potential

• light to chemical

Energy conversion in which sunlight, water and carbon dioxide is converted into oxygen and glucose.

• photosynthesis

• cellular respiration

• DNA replication

• Biomolecules