Chemistry
What is burning wood?
A chemical reaction
Which part of the eye is responsible for focusing light?
What is the lens?
What is the main function of red blood cells?
What is carrying oxygen?
What are the three main layers of the Earth?
What are the crust, mantle, and core?
Which color of visible light has the shortest wavelength?
What is violet?
What is the smallest particle of an element?
What is an atom?
Which of the following is an example of a transverse wave?
What is a water wave?
Which organelle is responsible for cellular respiration?
What is the mitochondria?
What happens at a divergent boundary?
What is two tectonic plates moving apart?
What is the term for energy of motion?
What is kinetic energy?
What is the process called when a gas changes directly into a solid?
What is deposition?
What term describes a material that does NOT allow heat to pass through easily?
What is an insulator?
What is the role of chloroplasts in a plant cell?
What is photosynthesis?
What type of waves do earthquakes create?
What are seismic waves?
You can read a book because white paper ______ light while black print ______ light.
What is reflects; absorbs?
A substance that speeds up a chemical reaction is called?
What is a catalyst?
In an electrical circuit, resistance is measured in what unit?
What are ohms?
The retina in the human eye contains what type of cells?
What are light-sensitive cells?
What is the main source of heat and light for Earth?
What is the Sun?
Which term describes the bending of light as it passes through a medium?
What is refraction?
What is the lack of ability of helium to react with other substances?
Which of the following is a chemical property?
What process occurs when light passes through a prism?
What is dispersion?
What is the law of conservation of mass?
What is mass cannot be created or destroyed in a chemical reaction?
What process creates new ocean floor at mid-ocean ridges?
What is seafloor spreading?
Why is it important to follow safety guidelines in science experiments? Name two pieces of safety equipment and their importance.
What is "to prevent accidents and ensure safety"? Examples: goggles protect eyes from chemicals, gloves protect hands from harmful substances.