Student Questions

Earth's magnetic poles are ____________ the earth's geographic poles. A.bigger than B.smaller than C.not the same as D.same as

Which of the following action will neutralize an acid? A.Adding some water. B.Heating it. C.Freezing it. D.Mixing it with a base.

What happens when a liquid is heated above its boiling point? A.It will change into solid. B.It will burn. C.It will change into gas. D.It will become hot liquid.

The strength of an acid is called its ____ and the strength of a base is called its _____. A.softness, hardness B.sourness, sweetness C.acidity, alkalinity D.alkalinity, acidity

Opening of a coco cola bottle creates fuzz. Which type of change is it? A.Physical and reversible B.Chemical and irreversible C.Physical and irreversible D.Chemical and reversible

What information is usually shown in daily forecast? A.High and low temperature and probability of rain or snow B.High and low air pressure and probability of rain or snow C.High and low air pressure and probability of frost D.High and low temperature only

A beam of light bends when it enters into water from air. What is this property of light called? A.Refraction B.Reflection C.Transformation D.Curvature

Which of the following is non biodegradable substance? A.Kitchen waste B.Human waste C.Farm waste D.Pesticide

Tina mixes water , teapowder,sugar and milk. Leena mixes water,teapowder,sugar and milk and keeps it for boiling. Whose change is irreversible ? A.Tina B.Leena C.Both D.Cannot Say

Choose the incorrect pair : A.Hair cut - Reversible B.Curdling of milk - Irreversible C.Burning of petrol - Reversible D.Growth of plant - Irreversible

The smallest blood vessels are the A.arteries. B.veins. C.heart. D.capillaries.

Mitochondria use food molecules and _____ to produce energy. A.carbon dioxide B.oxygen C.chemicals D.sugars

Which type of energy is used during winnowing in the farm? A.Potential energy B.Wind energy C.Height energy D.Kinetic Energy

Which property of molecules will change if you give heat to the liquid? A.More intermolecular force of attraction B.Less intermolecular space C.More kinetic energy D.None of the above

The sides of a triangle are 5 cm, 12 cm, and 13 cm. What is its area? a) 60 cm² b) 30 cm² c) 15 cm² d) 40 cm²

Choose the correctly spelled word: A) Carved B) Cavred C) Carvd D) Carvad

. Choose the correct spelling: A) Addiction B) Adiction C) Addishon D) Addicion

Heron’s Formula can also be used to find the area of a quadrilateral if: a) You know the measure of all four angles. b) You know the length of four sides and one diagonal. c) The quadrilateral is a square. d) The perimeter is given.

Choose the correct spelling: A) Devastating B) Davastating C) Devastateng D) Devasteting

Choose the correct spelling: A) Rehabilitation B) Rehabiletation C) Rehabilytion D) Rahabalytion