Year 8 Science Week Quiz

Which of the following is a good conductor of electricity?

• Plastic
• Wood
• Copper
• Rubber

Which form of energy is used to cook food in a microwave oven?

• Thermal energy
• Microwave radiation
• Sound energy
• Kinetic energy

Which one is a physical change?

• Burning paper
• Cooking an egg
• Boiling water
• Rusting iron

What is a pure substance made up of only one kind of atom called?

• Compound
• Solution
• Mixture
• Element

Which body part contains a hinge joint?

• Neck
• Elbow
• Hip
• Shoulder

What type of change is melting ice?

• Chemical
• Nuclear
• Physical
• Permanent

Which of these parts of the eye detects light?

• Iris
• Retina
• Pupil
• Lens

Which type of energy is stored in food?

• Kinetic energy
• Thermal energy
• Chemical energy
• Nuclear energy

Why can't you trust atoms?

• Because they make up everything
• Because they're unstable
• Because they always split
• Because they have no mass

What do scientists and spies have in common?

• They both wear goggles
• They work in dark rooms
• They use microscopes
• They both love codes and secrets