Q: Name the physicist who discovered radioactivity? A:
OPTIONS:
- louis pasteur
- neal degrasse tyson
- albert einstein
- antoine henri becquerel

Answer: antoine henri becquerel

Q: Some meteorites are made of iron and nickel and are thought to be very similar to what part of the earth? A:
OPTIONS:
- crust
- shelf
- mantel
- core

Answer: core

Q: Matter can be described with what two encompassing types of properties? A:
OPTIONS:
- velocity and energy
- thermal and magnetic
- color and distance
- physical and chemical

Answer:
physical and chemical