Waves Quiz Challenge

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Test your knowledge about waves in this fun quiz game for grade 7 students!

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Alpha Academy

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Waves Quiz Challenge


Waves Quiz ChallengeVersión en línea Test your knowledge about waves in this fun quiz game for grade 7 students! por Alpha Academy 1 What is a wave? a A form of light b A solid object c A type of sound d A disturbance that transfers energy through space or matter. 2 What are the two main types of waves? a Sound and light waves b Radio and infrared waves c Ocean and seismic waves d Mechanical and electromagnetic waves. 3 What is the medium in a wave? a The energy source b The wave's frequency c The substance through which the wave travels. d The wave's speed 4 What is wavelength? a The height of a wave b The frequency of a wave c The distance between two consecutive crests or troughs. d The speed of a wave 5 What is frequency measured in? a Decibels (dB) b Meters (m) c Hertz (Hz). d Seconds (s) 6 What type of wave requires a medium to travel? a Radio wave b Electromagnetic wave c Light wave d Mechanical wave. 7 What is amplitude? a The speed of the wave b The distance between waves c The maximum displacement from the rest position. d The frequency of the wave 8 What is a transverse wave? a A wave with no medium b A wave where particles move perpendicular to wave direction. c A wave that travels in circles d A wave in a straight line 9 What is a longitudinal wave? a A wave with high amplitude b A wave where particles move parallel to wave direction. c A wave that travels vertically d A wave that requires no medium 10 What happens to the energy of a wave as it travels further from the source? a It decreases. b It becomes kinetic energy c It stays the same d It increases 11 What is a pathogen? a A type of vaccine. b A form of exercise. c A healthy food group. d A microorganism that causes disease. 12 Which of the following is a viral disease? a Influenza. b Strep throat c Tuberculosis d Malaria 13 What is the main purpose of vaccines? a To prevent diseases by building immunity. b To treat symptoms. c To diagnose illnesses. d To cure diseases. 14 How can handwashing prevent disease? a It makes hands smell good. b It removes germs from hands. c It strengthens bones. d It hydrates skin. 15 What is a common symptom of the flu? a Rash b Fever. c Nausea d Itching 16 Which disease is caused by bacteria? a HIV b Strep throat. c Ebola d Chickenpox 17 What is herd immunity? a A symptom of illness. b When a large part of the population is immune to a disease. c A type of vaccine. d A method of treatment. 18 What is a common way diseases spread? a By drinking water. b Through direct contact. c By eating healthy food. d Through exercise. 19 What role do antibiotics play? a They prevent viral infections. b They boost immunity. c They treat bacterial infections. d They cure all diseases. 20 What is the best way to prevent the spread of germs? a Regular handwashing. b Eating fruits. c Drinking milk. d Taking vitamins. 21 What is the pH range of acids? a 0 to 6 b 6 to 8 c 8 to 10 d 7 to 14 22 Which of the following is a strong acid? a Carbonic acid b Hydrochloric acid c Acetic acid d Citric acid 23 What is the pH of pure water? a 4 b 0 c 10 d 7 24 Which substance is a common base? a Hydrochloric acid b Sodium hydroxide c Lemon juice d Vinegar 25 What is formed when an acid reacts with a base? a Acid and base b Only salt c Salt and water d Gas and water 26 Which of the following indicators turns red in acid? a Universal indicator b Bromothymol blue c Phenolphthalein d Litmus paper 27 What is a neutralization reaction? a Acid + Base = Salt + Water b Salt + Water = Acid c Acid + Acid = Base d Base + Base = Acid 28 What is the taste of acids? a Bitter b Sweet c Sour d Salty 29 Which of these is a property of bases? a Fizzy reaction b Bitter taste c Sour taste d Sticky texture 30 What is an example of a salt? a Sodium chloride b Hydrochloric acid c Sodium hydroxide d Acetic acid

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Waves Quiz ChallengeVersión en línea

por Alpha Academy

What is a wave?

What are the two main types of waves?

What is the medium in a wave?

What is wavelength?

What is frequency measured in?

What type of wave requires a medium to travel?

What is amplitude?

What is a transverse wave?

What is a longitudinal wave?

What happens to the energy of a wave as it travels further from the source?

What is a pathogen?

Which of the following is a viral disease?

What is the main purpose of vaccines?

How can handwashing prevent disease?

What is a common symptom of the flu?

Which disease is caused by bacteria?

What is herd immunity?

What is a common way diseases spread?

What role do antibiotics play?

What is the best way to prevent the spread of germs?

What is the pH range of acids?

Which of the following is a strong acid?

What is the pH of pure water?

Which substance is a common base?

What is formed when an acid reacts with a base?

Which of the following indicators turns red in acid?

What is a neutralization reaction?

What is the taste of acids?

Which of these is a property of bases?

What is an example of a salt?