Energy Explorers

Chemical

100

What energy transtormation occurs when gasoline burns in an automobile?

F thermal → electrical + mechanical

G mechanical → chemical + electrical

H chemical → thermal + nuclear

J chemical → mechanical + thermal

J chemical → mechanical + thermal

200

Which of the following gives the correct order of energy transformation in a burning candle?

A. chemical - light-light

C. heat - chemical - light

B. chemical - light heat

D. heat - light 

B. chemical - light heat

300

This fuel powers cars

What is gasoline?

400

Plants store energy in this

What is sugar?

500

This lights when struck

What is a match?

Mechanical

100

A hot air balloon functions when methane gas is chemically broken down which releases heat. The hest from the gas warms the air and causes the air to mave upwards, lifting the ballon. Which choice below represents the praper flow of energy.

1. Chemical → thermal> mechanical
2. Theral→ mechanical-*hemical
   Themal→ chemical-mechanical

d. Mechanical chemical thematic

a. Chemical → thermal → mechanical

200

This stores energy when stretched

What is a rubber band?

300

This moves using wheels

What is a bicycle?

400

This shows energy of height

What is a roller coaster?

500

This energy makes objects move

What is motion?

Thermal

100

1. A burning candle changes -
   F chemical energy into mechanical energy
   G chemical energy into electromagnetic and heat energy
   H thermal energy into chemical energy
   J chemical energy into electrical energy

G chemical energy into electromagnetic and heat energy

200

1. A hairdryer converts-
   A electrical energy into chemical energy
   B electrical energy into thermal energy
   C chemical energy into mechanical
   energy

D thermal energy into mechanical energy

B electrical energy into thermal energy

300

1. Which energy transformation occurs first in a coal-burning power plant?
   F Thermal energy to mechanical energy
   G Chemical energy to thermal energy Thermal energy to electrical energy
   J Mechanical energy to electrical energy

G Chemical energy to thermal energy Thermal energy to electrical energy

400

This causes ice to melt

What is heat?

500

This feels hot to touch

What is fire?

Sound

100

When you turn on a radio, what type of energy transformation takes place? a.

sound energy to chemical energy

A. chemical energy to sound energy

B. electrical energy to sound energy

C. sound energy to electrical energy

sound energy to electrical energy

200

This device plays music

What is a speaker?

300

This part of body hears sound

What is an ear?

400

This animal makes loud sounds

What is a dog?

500

This object rings

What is a bell?

Electro-Magnetic

100

What energy transformation takes place when you turn on an electric light?

1. A Chemical → light + heat
   B Chemical → electrical + heat
   C Mechanical → light + heat
2. D Electrical → light + heat

• D Electrical → light + heat

200

1. This flashlight uses three different forms of energy. Which of these shows the energy changes in the correct order?
   A Mechanical → thermal → chemical
   B Thermal → chemical →
   electromagnetic
   C Chemical → electrical →
   electromagnetic
   D Electrical → mechanical → chemical

C Chemical → electrical →
electromagnetic

300

A hydroelectric dam functions as falling water maves a large turbine. Thisturbine spins by maving araund which generates heat. The heat activates an electric cail which generates electricity. What flaw af energy osc urs?

mechanical→thermal → electric → gravitational

gravitational mechanical → thermal→ electric

 gravitational → thermal mechanical> electric

electrical→ thermal→ mechanical→ gravitational

d. electrical→ thermal→ mechanical→ gravitational

400

This heats food quickly

What is a microwave?

500

This shows bones

What is a X-ray?