Grade 6 Elite Science Exam Revision

Temperature is the measure of __________________of the particles in an object.

• the difference between potential and kinetic energy

• the sum of potential and kinetic energy

• the average potential energy

• the average kinetic energy

A liquid thermometer works because liquid ____________ when heated.

• expands

• contracts

• solidifies

• condenses

Which two states of matter are shown in the picture?

• gas and plasma

• gas and liquid

• gas and solid

• liquid and solid

Which type of heat transfer is shown in this picture?

• conduction

• convection

• radiation

• solar

Which type of heat transfer occurs inside the earth?

• conduction

• convection

• radiation

• melting

A piece of iron gets hotter quicker than water with the same mass. Why?

• iron has a higher specific heat

• iron has a lower specific heat

• iron has a higher melting point

• iron is solid and water is liquid

The temperature that water becomes a gas is called the:

• freezing point

• melting point

• boiling point

• condensation point

Which picture shows a change by adding energy?

• a.

• b.

• c.

• d.

Why does a balloon get bigger when left in the sun?

• the temperature increases and the particles move less

• the temperature decreases and the particles move more

• the temperature increases and the particles move more

• the temperature decreases and the particles more less

When a substance is heated, the mass:

• increases

• decreases

• stays the same

• changes all the time