Science 60 Power Words

become or cause to become incorporated into a liquid so as to form a solution.

• dissolve

• insulator

• germination

• mixture

The male reproductive structure of a flowering plant.

• reptile

• pupa

• stamen

• spore

Forces that cause a change in motion because they act on an object and don't cancel each other out.

• gravity

• unbalanced forces

• force

• variable

An animal that has a backbone.

• invertebrate

• community

• verbrate

• reproduction

An organ that makes a digestive juice called bile.

• stamen

• pancreas

• large intestine

• liver

An organism that produces its own food.

• predator

• species

• inverbrate

• producer

An organ that makes a digestive juice and insulin.

• stamen

• pancreas

• large intestine

• liver

A force that opposes motion through direct contact.

• friction

• gravity

• characteristic

• forcex

An early stage in the life cycle of an organism that will undergo complete metamorphosis.

• liver

• kidney

• stamen

• larva

Any condition that can be changed or controlled in an experiment.

• physical property

• variable

• producer

• observation