Science Student Questions

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by GIANSH GUPTA KHUNDKER · Class 9

A uniform meter rule is balanced horizontally at its midpoint pivot (the 50 cm mark). A 4.0 N weight is suspended from the 20 cm mark. What force must be applied downward at the 90 cm mark to maintain horizontal equilibrium?

Science Other 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

An astronaut transports a rock sample with a mass of 3.0 kg from Earth to the Moon. The gravitational field strength on Earth is 10 N/kg, and on the Moon, it is 1.6 N/kg. What are the mass and weight of the rock on the Moon?

Science Other 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

Which subatomic particle carries a negative charge and orbits the nucleus?

Science Other 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

Which separation method is most suitable for recovering pure water from a salt water solution?

Science Other 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

What type of energy conversion takes place when you rub your hands together?

Science Other 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

According to the law of reflection, the angle of incidence is always equal to:

Science Other 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

Why is aluminum metal unreactive with air under normal conditions?

Science Other 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

Which plant tissue is responsible for transporting water and dissolved minerals from the roots to the rest of the plant?

Science Other 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

Which of the following statements about the unit of pressure is correct?

Science Other 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

When a dark grey solid iodine is heated, it changes directly into a purple gas without melting. Which term describes this phase change?

Science Other 0 1 answers 100%
by GIANSH GUPTA KHUNDKER · Class 9

Which of the following is the best definition of a gene?

Science Other 0 0 answers 0%
by NITARA SEBASTIAN · Class 5

When an astronaut stays in space for a long time, what shape does the heart become more like?

Science Human Body and Health 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

What is growth?

Science Diversity in Living Organisms 0 0 answers 0%
by SREENIKA ROY · Class 5

Which organelle is known as the powerhouse of the cell?

Science Human Body and Health 0 1 answers 100%
by JOSEPH PREM ZURISHADDAI RAJ · Class 4

The process by which green plants make food is called:

Science Plants 0 2 answers 100%
by JOSEPH PREM ZURISHADDAI RAJ · Class 4

Which of these is a non-green plant that gets food from dead matter?

Science Plants 0 2 answers 100%
by JOSEPH PREM ZURISHADDAI RAJ · Class 4

Which part of a plant absorbs water and minerals from the soil?

Science Plants 0 3 answers 100%
by SHRINIDHI SHIBU · Class 3

Which is the green substance in a leaf?

Science Plants 0 2 answers 100%
by AAHAN MEHTA · Class 8

Which of the following increases the strength of an electromagnet?

Science Other 0 4 answers 100%
by AAHAN MEHTA · Class 8

which of the following is a property of non metals ?

Science Metals and Non-metals 1 7 answers 86%

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