Science

A class is learning about states of matter. The teacher shows the students how to set up the investigation shown in the diagram. What kinds of energy are needed in this investigation to change the state of matter of the candle?(5.6A)

• Light, mechanical, and thermal

• Electrical and thermal

• Mechanical, light, and electrical

• Thermal and mechanical

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Rube Goldberg was an artist who drew cartoons that showed a very complicated way to do a simple task. The picture shows a cartoon like the ones Goldberg drew. Which form of energy is used to turn on the switch? (5.6A)

• Light energy

• Thermal energy

• Electrical energy

• Mechanical energy

Many people ride a bicycle for fun and exercise. Some people ride a bicycle to work because it saves money and benefits the environment by reducing the use of fossil fuels. Which of these is not an example of the bicycle using mechanical energy? (5.6A)

• The pedals, gears, and chain help turn the wheels.

• The wheels turn when the bicycle moves.

• The front wheel guides the bicycle as it moves.

• The reflector allows the bicycle to be seen at night.

Tags

NGSS.MS-PS2-2

Many types of fans are used in homes. One type of electric fan is shown below. In addition to mechanical energy, which of these is produced as electric current passes through the circuit of this fan? (5.6A)

• Heat

• Mass

• Light

• Water vapor

Tags

NGSS.MS-PS3-5

Which object requires only mechanical energy to perform its main function? (5.6A)

• 
• 
• 
• 

Which object requires only mechanical energy to perform its main function? (5.6A)

• 
• 
• 
• 

Which of these devices is the only one NOT designed to produce both sound and light energy? (5.6A)

• 
• 
• 
• 

A student builds a circuit made up of a battery, two light bulbs, and a switch. What will the student most likely observe in this circuit?

• Light bulb 1 and light bulb 2 will both be on

• Light bulb 1 will be off, but light bulb 2 will be on

• Light bulb 1 and light bulb 2 will both be off

• Light bulb 1 will be on, but light bulb 2 will be off

Tags

NGSS.4-PS3-2

Which of these changes to the electric circuit shown above will cause the lightbulb to light up.

• Straightening the wire so that the current can flow more easily

• Adding a switch and more wire so that the current can flow more easily

• Turning one battery so that its positive end connects to the other battery's negative end

• Making the length of wire the same on both sides of the lightbulb

Tags

NGSS.MS-ETS1-1

A string of lights with small bulbs is shown below. The bulbs are connected by wire that is covered in an insulator. When the lights are on, electricity travels in....

• a complete circuit

• a sound wave

• a light ray

• an incomplete path