Year 8 Assessment Review

Which method of heat transfer occurs in solids?

• - A) Conduction
• - B) Convection
• - C) Radiation
• - D) Evaporation

Which method of heat transfer involves the movement of fluids?

• o A) Conduction
• o B) Convection
• o C) Radiation
• o D) Reflection

How is heat transferred from the Sun to the Earth?

• o A) Conduction
• o B) Convection
• o C) Radiation
• o D) Convergence

Which of the following is a good conductor of heat?

• o A) Wood
• o B) Plastic
• o C) Air
• o D) Metal

What is the transfer of heat without the need for a medium called?

• o A) Conduction
• o B) Convection
• o C) Radiation
• o D) Insulation

What type of heat transfer is minimized by using a vacuum flask?

• o A) Conduction
• o B) Convection
• o C) Radiation
• o D) All of the above

Why are metals good conductors of heat?

• o A) They have tightly packed molecules
• o B) They have free electrons
• o C) They are shiny
• o D) They are dense

What is an example of convection in nature?

• o A) Heat from a stovetop
• o B) Heat from the Sun
• o C) Ocean currents
• o D) Heat from a hot pack

What is the main pigment involved in photosynthesis?

• o A) Chlorophyll
• o B) Hemoglobin
• o C) Melanin
• o D) Keratin

In which part of the plant does photosynthesis primarily take place?

• • A) Roots
• • B) Stem
• • C) Leaves
• • D) Flowers