WorksheetsPrep 1 revision 4
Total questions: 12
Worksheet time: 4mins
The heat of the sun transferred by .................
Conduction
Convection
Radiation
Convection and radiation
Pine belongs to ...................
Gymnosperms
Angiosperms
Ferns
Algae
From the elements which find a great difficulty to react with oxygen ...............
Potassium
Sodium
Iron
Platinum
As an object falls downwards, ...................
The potential energy increases
The kinetic energy increases
The mechanical energy is lost
The speed of the object decreases
.................. belongs to animals which have no body support.
Mussel
Jellyfish
lion
aquatic turtle
................ is the simplest pure form of matter which can't be analyzed.
Element
Molecule
Atom
Compound
When the atomic number equal the mass number of the atom, this means that it has no ..................
Protons
electrons
neutrons
photons
The particles which affect the mass off the atom but doesn't affect its charge .....................
Electrons
Protons
Neutrons
Quarks
Paramecium moves by ...............
pseudopods
Flagellum
Cilia
absorption
In the opposite figure, the two objects are equal in ...................
volume and density
mass and volume
mass and density
mass and they are from different substances
the mass of a piece of ice before melting is .......... its mass after melting.
more than
Less than
Equal to
no correct answer
when water molecules are compared to water vapour molecule, water molecule are ...........
slower and more distant
Faster and more distant
slower and more closer together
faster and more closer together
