Grade 6 · Science · Unit 2 of 11
Sensors & Helpful Technology
Thermostats, cameras, hearing aids and fair tests.
What your child practises
Practises technical sensory systems and technology that extends human senses, and how variables are handled in an investigation. It follows the Grade 6 science skill descriptors on technical sensory systems in the New Brunswick curriculum.
New Brunswick Curriculum skill descriptor: Scientific Literacy: Investigation · planning investigations about relationships between variables in natural and technical sensory systems
Sample questions
A taste of this unit. In the app, questions change every time and get easier or harder to match your child.
Question 1
Which sensor in a phone detects how you are holding it?
- a thermometer
- an accelerometer
- a compass only
- a ruler
an accelerometer
Hint: The screen turns when you rotate the phone.
Question 2
Which technology helps people see small print?
- a hearing aid
- a magnifying glass
- a stethoscope
- a speaker
a magnifying glass
Hint: Magnifiers make objects look larger.
Question 3
Which device uses a sensor to keep a room at a set temperature?
- a ruler
- a thermostat
- a clock
- a mirror
a thermostat
Hint: The thermostat turns heating on and off.
Question 4
In a fair test, the variable you measure is the…
- dependent variable
- independent variable
- constant
- tool
dependent variable
Hint: It depends on what you changed.
Question 5
What can you do to make a graph of results easy to read?
- draw random lines
- label the axes and give a title
- use no scale
- leave out numbers
label the axes and give a title
Hint: Clear graphs help others understand.
Question 6
A Braille display helps someone who is blind to…
- read by touch
- hear sounds
- see colours
- taste food
read by touch
Hint: Braille uses raised dots.