Science 6

If your diet is deficient in vitamin A then you are supposed to suffer from. Rickets. Beri Beri. Scurvy. Night blindness.

The tail of a comet always points towards the Sun. False. True. Cannot say. Sometimes true, sometimes false.

Which of the following is necessary for burning (combustion) ?. Oxygen. Petrol. Carbon. Nitrogen.

The body system that gives you support and allows movement is the. Skeletal system. Circulatory system. Respiratory system. Excretory system.

Which food group BEST provides the necessary nutrients for healthy teeth and bones ?. Milk and dairy products. Fruits and vegetables. Bread and cereal. Meat.

The Sun is a. Comet. Star. Huge planet. Satellite.

The Earth is surrounded by an insulating blanket of gases which protects it from the light and heat of the Sun. This insulating layer is called the. Hydrosphere. Lithosphere. Atmosphere. Biosphere.

Which part of the body receives messages transmitted by nerve cells located throughout the body ?. Heart. Lungs. Brain. Liver.

Which of the following has an organic origin ?. Sand. Bakelite. Nylon. Coal.

Which is usually NOT a reason why foods are processed ?. More nutritious. Easier to package. Last longer on the shelf. Easier to transport to the store.

What force pulls things toward the centre of Earth ?. Friction. Gravity. Magnetism. Electricity.

Who discovered the circulation of blood ?. Edward Jenner. William Harvey. Hargobind Khorana. Louis Pasteur.

If you dissolved a lot of salt in some water in a large flat dish and put the dish in bright sunlight on a hot day, what would be left in the dish after a long time ?. Dry salt. Water with no salt. The same salty water as before. Nothing.