Science Quiz

Which of the following materials is commonly used by doctors?

• Stethoscope

• Thermometer

• X-ray machine

• Scalpel

What does the ozone layer do for Earth?

• Protects us from harmful sunlight

• Makes the Earth warmer

• Creates rain

• Produces oxygen.

What type of eclipse is shown in the diagram?

• Solar Eclipse

• Lunar Eclipse

• Total Eclipse

• Half Eclipse

What is a fossil?

• A kind of rock

• Remains of living things left in rocks

• A shiny stone

• A type of plant.

Identify the diagram that represents a pure substance and the one that represents a mixture.

• A-Pure Substance

  B-Mixture

• A-Mixture

  B-Pure Subsatnce

Define the following. (i) Kinetic Energy

Define the following. (ii) Force

Define the following. (iii) Gravity

Find the names of any three simple machines from the options given & write it in the space provided.

Mention two human activities that causes water pollution.