Exploring Energy and Light Concepts

What is the path that light travels in?

• Curved line

• Straight line

• Zigzag line

• Circular path

Tags

TEKS.SCI.5.8C

Which of the following is a requirement for a functioning electrical circuit?

• A switch

• A plug

• A resistor

• A complete path

Tags

TEKS.SCI.5.8B

What type of energy transformation occurs in a flashlight battery?

• Electrical to thermal

• Chemical to electrical to light

• Light to chemical

Tags

TEKS.SCI.5.8A

Which of the following best describes how light can be affected when it hits a surface?

• It can only be absorbed

• It can be reflected, refracted, or absorbed

• It can only be reflected

• It can only be refracted

Tags

TEKS.SCI.5.8C

What happens to electrical energy in a complete circuit with a light bulb?

• It is transformed into sound energy

• It is transformed into light and thermal energy

• It is transformed into chemical energy

• It is transformed into motion energy

Tags

TEKS.SCI.5.8B

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

• The color of the car

• The height of the ramp

• The type of car

• The material of the ramp

Tags

TEKS.SCI.5.7B

Which of the following describes how equal forces acting on an object affect its motion?

• The object will move in a circular path

• The object will remain stationary

• The object will accelerate

• The object will change direction

Tags

TEKS.SCI.5.7A

What happens to the motion of an object when unequal forces act on it?

• The object will remain stationary

• The object will move in the direction of the larger force

• The object will move in the direction of the smaller force

• The object will move in a circular path

Tags

TEKS.SCI.5.7A

How can you demonstrate that light can be refracted?

• Shine a light through a glass of water and observe the bending of light

• Shine a light on a mirror and observe the reflection

• Shine a light on a black surface and observe absorption

• Shine a light through a prism and observe the splitting of colors

Tags

TEKS.SCI.5.8C

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

• A car engine converting fuel into motion

• A light bulb converting electrical energy into light

• A solar panel converting sunlight into electricity

• All of the above

Tags

TEKS.SCI.5.8A