Atoms/chemical change
Light and sound
Body systems
Cells
Geology
100

What is the smallest unit of an element that retains its chemical properties?

  • A) Molecule
  • B) Atom
  • C) Proton
  • D) Neutron

B) Atom

100

What type of wave is light?

  • A) Transverse wave
  • B) Longitudinal wave
  • C) Electromagnetic wave
  • D) Sound wave
  • C) Electromagnetic wave
100

Which organ pumps blood throughout the body?

  • A) Brain
  • B) Kidney
  • C) Stomach
  • D) Heart
  • D) Heart
100

What is the basic unit of life?

  • A) Organ
  • B) Cell
  • C) Tissue
  • D) Molecule
  • B) Cell
100

What is the name of the layer of the Earth that is made up of solid rock and forms the Earth's surface?

  • A) Mantle
  • B) Core
  • C) Crust
  • D) Lithosphere
  • C) Crust
200

What is the name of the process where a substance changes into a new substance with different properties?

  • A) Evaporation
  • B) Chemical reaction
  • C) Melting
  • D) Condensation
  • B) Chemical reaction
200

What is the term for the change in the direction of a wave as it passes from one medium to another?

  • A) Reflection
  • B) Diffraction
  • C) Refraction
  • D) Absorption
  • C) Refraction
200

What is the name of the system responsible for transporting oxygen and nutrients around the body?

  • A) Digestive system
  • B) Circulatory system
  • C) Respiratory system
  • D) Nervous system
  • B) Circulatory system
200

What is the jelly-like substance inside the cell that supports the organelles?

  • A) Mitochondria
  • B) Cytoplasm
  • C) Nucleus
  • D) Chloroplast
  • B) Cytoplasm
200

What type of rock is formed from cooling and solidification of molten lava?

  • A) Sedimentary rock
  • B) Metamorphic rock
  • C) Igneous rock
  • D) Fossilized rock
  • C) Igneous rock
300

What is the name of the particle in an atom that has a positive charge?

  • A) Electron
  • B) Neutron
  • C) Proton
  • D) Nucleus
  • C) Proton
300

 What is the name of the unit used to measure the loudness of sound?

  • A) Watt
  • B) Volt
  • C) Decibel
  • D) Hertz
  • C) Decibel
300

What part of the brain controls voluntary movement and coordination?

  • A) Cerebellum
  • B) Medulla
  • C) Hippocampus
  • D) Cerebrum
  • A) Cerebellum
300

Which part of the cell controls what enters and leaves the cell?

  • A) Nucleus
  • B) Mitochondria
  • C) Cell membrane
  • D) Endoplasmic reticulum
  • C) Cell membrane
300

What do we call the boundary between two tectonic plates where earthquakes are most likely to occur?

  • A) Ridge
  • B) Fault line
  • C) Epicenter
  • D) Subduction zone
  • B) Fault line
400

What do you call a substance made up of two or more elements that are chemically bonded together?

  • A) Mixture
  • B) Molecule
  • C) Compound
  • D) Ion
  • C) Compound
400

What part of the eye helps to focus light onto the retina?

  • A) Cornea
  • B) Lens
  • C) Retina
  • D) Pupil
  • B) Lens
400

What is the name of the muscle that helps you breathe by expanding and contracting your chest?

  • A) Diaphragm
  • B) Heart
  • C) Trapezius
  • D) Biceps
  • A) Diaphragm
400

What is the name of the organelle that produces energy for the cell?

  • A) Ribosome
  • B) Nucleus
  • C) Mitochondria
  • D) Golgi apparatus
  • C) Mitochondria
400

 What is the term for the slow movement of continents over Earth's surface?

  • A) Tectonic shift
  • B) Continental drift
  • C) Seafloor spreading
  • D) Pangea

Continental drift

500

What is the law that states that matter cannot be created or destroyed in a chemical reaction?

  • A) Law of Inertia
  • B) Law of Gravity
  • C) Law of Conservation of Energy
  • D) Law of Conservation of Mass
  • D) Law of Conservation of Mass
500

What is the speed of light in a vacuum?

  • A) 150,000 kilometers per second
  • B) 300,000 kilometers per second
  • C) 500,000 kilometers per second
  • D) 1,000,000 kilometers per second
  • B) 300,000 kilometers per second
500

Which organ in the digestive system is primarily responsible for nutrient absorption?

  • A) Stomach
  • B) Large intestine
  • C) Small intestine
  • D) Pancreas
  • C) Small intestine
500

What is the process by which a cell divides to form two identical daughter cells?

  • A) Meiosis
  • B) Mitosis
  • C) Binary fission
  • D) Photosynthesis
  • B) Mitosis
500

What is the name of the process by which mountains are formed from tectonic plate collisions?

  • A) Volcanism
  • B) Orogeny
  • C) Earthquakes
  • D) Erosion
  • B) Orogeny