Exploring Forces and Energy

Which of the following best describes the transformation of energy in a flashlight when it 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

Tags

TEKS.SCI.5.8A

What happens to a car on a ramp when the angle of the ramp is increased?

• The car moves slower

• The car moves faster

• The car stops moving

• The car moves in the opposite direction

Tags

TEKS.SCI.5.7B

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

• A switch

• A battery

• A closed loop

• A resistor

Tags

TEKS.SCI.5.8B

How does light behave when it hits a mirror?

• It is absorbed

• It is refracted

• It is reflected

• It is scattered

Tags

TEKS.SCI.5.8C

What causes the day/night cycle on Earth?

• The Earth's revolution around the Sun

• The Earth's rotation on its axis

• The Moon's orbit around the Earth

• The Sun's movement across the sky

Tags

TEKS.SCI.5.9A

In a balloon rocket experiment, what effect does increasing the amount of air in the balloon have on the rocket's motion?

• The rocket moves slower

• The rocket moves faster

• The rocket does not move

• The rocket moves in circles

Tags

TEKS.SCI.5.7B

What type of energy transformation occurs in a toaster?

• Electrical energy to thermal energy

• Chemical energy to electrical energy

• Light energy to thermal energy

• Thermal energy to electrical energy

Tags

TEKS.SCI.5.8A

Which of the following demonstrates that electrical energy can be transformed into sound energy?

• A light bulb lighting up

• A fan spinning

• A radio playing music

• A heater warming a room

Tags

TEKS.SCI.5.8B

What happens to light when it passes through a glass of water?

• It is absorbed

• It is refracted

• It is reflected

• It is scattered

Tags

TEKS.SCI.5.8C

How long does it take for Earth to complete one full rotation on its axis?

• 12 hours

• 24 hours

• 48 hours

• 365 days

Tags

TEKS.SCI.5.9A