DWC WORLD SCIENCE DAY QUIZ 2020 - KS3

Which of the following substances contain acid?

• An orange

• Bleach

• Distilled water

• Washing powder

What colour is universal indicator in strong acid?

• Green

• Red

• Orange

• Purple

Which of the following organs of the human body acts as respiratory and excretory organs?

• Heart

• Lungs

• Kidney

• Skin

Which of the following cells do not have a nucleus?

• White blood cell

• Nerve cell

• Red blood cell

• Ciliated cell

What is the role of the liver in the human body?

• To break down toxins and store food

• To break down blood

• To defend the body from radiation

• To remove carbon dioxide from the blood

What type of force prevents a football from rolling on the grass forever?

• Gravity

• Upthrust

• Friction

• Kinetic

Which colour in the colour spectrum has the longest wave-length?

• Red

• Blue

• Yellow

• Violet

Which colour in the colour spectrum has the shortest wave-length?

• Red

• Blue

• Yellow

• Violet

What slows something down as it flies through the atmosphere?

• Upthrust

• Air resistance

• Gravity

• Acceleration

What allows a ship to float on the ocean?

• Gravity

• Water resistance

• Upthrust

• Waves