7 days of Quizzmas : Science & Technology

MRI (Magnetic Resonance Imaging) is a machine that uses magnets to generate detailed images of the inside of the body. What type of ray does this machine emit in order to do this?

Social media refers to the means of interactions among people in which they create, share, and exchange information and ideas in virtual communities and networks. What is the most popular social media platform on the internet?

Animals such as bats and dolphins, use reflected sound rays to determine locations of objects for navigating the dark, hunting, and keeping watch for predators. What is this technique called?

How many baby teeth does a healthy human child have?

Astronauts have a tradition of planting flags when landing on the moon for the first time, to represent their native country and to serve as a symbol of human space exploration. How many flags have been planted on the moon, currently?

The Volcanic Explosivity Index is used to score volcanic eruptions based on their size and destruction caused on a scale of 0-8. This volcanic eruption that occurred in 1815 manages to score 7 and remains the largest recorded eruption to date. What is this volcanic eruption?

Which company produced the world’s first handheld mobile phone?

This technology is used to obtain information, measure accurate dimensions or to generate 3d models of objects through pictures, recording, interpreting or through electromagnetic patterns. What is this relatively modern technology?

Fire changes colour depending on the rate of combustion, and composition. It is when fire is undergoing complete combustion, that the flame is the hottest. Often seen on bunsen burners and gas stoves, what is the colour of the flame at this time?

The five senses are see, hear, touch, smell and taste. We use our tongue to taste objects. But when reptiles such as snakes and lizards dart their tongue in and out of their mouths, they are activating another sense. What is this sense?