Fact 1: Afirecracker converts chemical energy into sound. Fact 2: Sound waves are vibrations in matter. Given the two facts above, a firecracker converts chemical energy into what?
OPTIONS:
- kinetic energy
- electromagnetic energy
- An object is seen
- vibrations in matter
- objects that have mass
- harmful substances
- The bending of a ray of light
- Loud noises

Answer: vibrations in matter

Fact 1: Many nucleotides bind together to form a chain called a polynucleotide. Fact 2: Nucleotides are the monomers that make nucleic acids. Given the two facts above, what bind together to form a chain called a polynucleotide?
OPTIONS:
- vinegar
- Organic compounds
- nucleic acid monomers
- links
- share properties
- h2o
- The bending of a ray of light
- peachleaf willow

Answer: nucleic acid monomers

Fact 1: Cells vary in size as well as shape, but all cells are very small. Fact 2: Most cells are too small to be seen without a microscope. Given the two facts above, what vary in size as well as shape and cannot be seen without a microscope?
OPTIONS:
- bushes
- matter
- cells
- grains
- sand
- bones
- apples
- small

Answer:
cells