Energy Transformations and Earth Science

Investigate and describe the transformation of energy in a flashlight. What type of energy transformation occurs when a flashlight is turned on?

• Electrical energy to chemical energy to light energy

• Chemical energy to electrical energy to light energy

• Light energy to chemical energy to electrical energy

• Thermal energy to electrical energy to light energy

Which of the following is necessary for a complete electrical circuit to function?

• A switch and a resistor

• A power source and a closed loop

• A light bulb and a magnet

• A battery and a piece of wood

Design an experiment to test the effect of force on a car on a ramp. What variable would you change to observe the effect of force?

• The color of the car

• The angle of the ramp

• The type of car

• The material of the ramp

Tags

NGSS.MS-PS2-2

Compare and contrast the physical properties of matter. Which property would you use to determine if an object will float in water?

• Mass

• Volume

• Relative density

• Magnetism

Explain how Earth's rotation causes the day/night cycle. How long does it take for Earth to complete one rotation on its axis?

• 12 hours

• 24 hours

• 48 hours

• 365 days

Tags

NGSS.MS-ESS1-1

Which of the following transformations occurs when electrical energy is used to power a fan?

• Electrical energy to light energy

• Electrical energy to sound energy

• Electrical energy to motion energy

• Electrical energy to thermal energy

Tags

NGSS.MS-PS3-5

What is the primary reason a balloon rocket moves along a string when released?

• The force of gravity

• The force of air pressure

• The force of friction

• The force of magnetism

Which of the following materials is a good conductor of thermal energy?

• Wood

• Plastic

• Copper

• Rubber

How does the position of shadows change throughout the day?

• Shadows remain the same length and direction all day

• Shadows are longest at noon

• Shadows change direction and length as the Sun appears to move across the sky

• Shadows disappear at sunset

Tags

NGSS.5-ESS1-2

Which of the following is an example of energy transformation in a complete circuit?

• Electrical energy to chemical energy

• Electrical energy to sound energy

• Chemical energy to thermal energy

• Light energy to electrical energy