Year 8

Systems used in new technologies

In this lesson, we are going to learn about new technologies which use sensors to help the environment.

Year 8

Systems used in new technologies

In this lesson, we are going to learn about new technologies which use sensors to help the environment.

Lesson details

Key learning points

  1. use specifications to inform the design of innovative, functional, appealing products that respond to needs in a variety of situations
  2. use learning from science to help design and make products that work

Equipment

Micro:bit, computer/ipad (internet access), cardboard, paper

Content guidance

  • Equipment requiring safe usage.

Supervision

Adult supervision recommended

Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

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5 Questions

Q1.
What is the name of this component?
An image in a quiz
Battery.
Correct answer: LED.
Light.
Switch.
Q2.
What type of component is it?
Input.
Correct answer: Output.
Process.
Q3.
Which of these components is NOT an output component
Buzzer.
Correct answer: Microphone.
Motor.
Speaker.
Q4.
What do batteries do?
An image in a quiz
Allow a circuit to switch on and off.
Give out light.
Correct answer: Give the circuit electrical energy.
Sense when there is a temperature change.
Q5.
Why does the light switch on in the second circuit?
An image in a quiz
An LED has been added.
The battery has been changed so the circuit works.
The battery has been switched around so the circuit works.
Correct answer: The switch is on, allowing the electrical energy to flow around the circuit.

5 Questions

Q1.
The resistance of which type of resistor depends on its temperature.
Light dependent resistor
Pressure sensor
Correct answer: Thermistor
Q2.
The resistance of which type of resistor depends on light intensity.
Correct answer: Light dependent resistor
Pressure sensor
Thermistor
Q3.
The resistance of which type of resistor depends on pressure.
Light dependent resistor
Correct answer: Pressure sensor
Thermistor
Q4.
What is this component designed to do in a circuit?
An image in a quiz
Sense change in colour.
Sense change in light.
Correct answer: Sense change in temperature.
Sense pressure.
Q5.
In what product might this be used?
Correct answer: Baby temperature monitor for a bath.
Light sensor for a street light.
Night light for a small child.
Pressure pad for a shower.