Q: Mold is often found growing on old bread. In a food chain, mold is a ___.

OPTIONS:
- decomposer
- producer
- consumer
- scavenger
A: decomposer
Q: What do all mammals have in common that distinguishes them from birds?

OPTIONS:
- eyes
- fur
- a brain
- a heart
A: fur
Q: When sugar is heated on a hot plate, it turns into a liquid. When the liquid sugar is cooled, a hard-crystalline substance is formed. This model best demonstrates the formation of

OPTIONS:
- molten rocks.
- igneous rocks.
- sedimentary rocks.
- metamorphic rocks.
A: igneous rocks.
Q: About how often is a full moon observed from Earth's surface?

OPTIONS:
- each week
- once a month
- every two weeks
- once each leap year
A:
once a month