SSLC (English Medium) कक्षा ७ - Tamil Nadu Board of Secondary Education Question Bank Solutions for Science

Which of the following temperature conversions is incorrect

K ( Kelvin) = °C ( Celsius) + 273.15

Doctor uses ______ thermometer to measure the human body temperature.

At room temperature Mercury is in ______ state.

Swathi kept a laboratory thermometer in hot water for some time and took it out to read the temperature. Ramani said it was a wrong way of measuring temperature. Do you agree with Ramani? Explain your answer.

Higher Order Thinking question

What must be the temperature in Fahrenheit, so that it will be twice its value in Celsius?

Small amounts of electrical current are measured in milliampere (mA). How many milliampere are there in 0.25 A ?

______ is used to measure the electric current.

True or False – If False give the correct answer

The representation of the electric current is A

Water : pipe :: Electric current : ______.

What is the speed of electric current?

Define an electric current.

Cold milk is heated and it becomes hot. Which type of change it is?

What type of change is artificial ripening of fruit?

How the iron blade is fixed into a wooden handle in tools used to dig the soil?

Unicellular organisms can only be seen under a _____.

True or False – If false give the correct answer

Salmonella is a unicellular bacteria.

Higher order thinking question

Virus is called Acellular. Why?

Tux Math software helps in learning the______.

In Tux Math, Space cadet option is used for ______.

What is Tux Math?