What is H2O commonly known as?

• Water
  A
• Salt
  B
• Hydrogen
  C

What gas do humans need to breathe?

• Nitrogen
  A
• Oxygen
  B
• Carbon dioxide
  C

What organ pumps blood through the body?

• Stomach
  A
• Heart
  B
• Brain
  C

What tool is used to measure temperature?

• Microscope
  A
• Thermometer
  B
• Barometer
  C

How many legs does an insect have?

• Six
  A
• Four
  B
• Eight
  C

What do plants need for photosynthesis?

• Oxygen
  A
• Sugar
  B
• Sunlight
  C

Which planet has the most moons?

• Earth
  A
• Saturn
  B
• Mars
  C

What is the boiling point of water at sea level?

• 90°C
  A
• 120°C
  B
• 100°C
  C

What part of the plant does photosynthesis?

• Stem
  A
• Root
  B
• Leaf
  C

How many bones are in the adult human body?

• 220
  A
• 206
  B
• 180
  C

What gas do plants absorb from the air?

• Carbon dioxide
  A
• Hydrogen
  B
• Oxygen
  C

What is the center of an atom called?

• Proton
  A
• Nucleus
  B
• Electron
  C

What type of energy is stored in food?

• Solar
  A
• Chemical
  B
• Thermal
  C

Which planet is the hottest in the Solar System?

• Venus
  A
• Mars
  B
• Mercury
  C

Which metal is liquid at room temperature?

• Mercury
  A
• Silver
  B
• Lead
  C

Which body system controls movement and coordination?

• Circulatory system
  A
• Nervous system
  B
• Digestive system
  C

What’s the largest internal organ in the human body?

• Liver
  A
• Intestine
  B
• Heart
  C

What’s the closest star to Earth?

• The Sun
  A
• Sirius
  B
• Alpha Centauri
  C

What part of the cell contains DNA?

• Ribosome
  A
• Cytoplasm
  B
• Nucleus
  C

What unit is used to measure electrical resistance?

• Ohm
  A
• Ampere
  B
• Watt
  C