Year 456 Science Revision 6

Fill in the blank

The balsam, periwinkle, chili, rosemary, basil and coleus plants are _________.

Sound can travels in only one direction.

Fishes or fish breathes with their __________.

The female ___________ give birth to their young alive and they feed their babies with milk.

Fill in the blank

The toxins that ________________ produce make us ill.

Which of the following mixtures can be separated by a magnet?

An axe or knife is a machine.

Fill in the blank

The _________ of a fish help it to swim well in water

Which of the following machines does not use gears?

Fill in the blank

which simple machine is being used to put the car onto the back of the lorry?

___________ is the liquid is used to kill germs.

Caffeine is an addictive drug found in cola drinks

The pistil has a stigma, a style and a petal.

A population increases in number when its number ___________.

Fill in the blank

Sports such as soccer involve kicking, running, jogging, stopping and jumping. How does friction help the player.
The player can run without ________, _________ or ________.

The metal that is commonly used to make electric wire is _____________.

Name four items that uses solar cell.

The following is a list of several objects.
A coin, an iron nail, wood, pencil, needles, paper clips, pins, stone, iron rod

Select three of the above objects which cannot be attracted by a magnet?