Observes and measure
to measure
To measure temperature, scientists use:KelvinCelsiusFahrenheit.
100
A thermometer.
volume
Optomotrists
measuring bowls
Degree celsius
Observes and measure
It allows a scientist to measure the wavelength of light.
Scientist measure when light rays are emitted by a moving source the speed of light. Depending on the moving force they can also measure bending light.