Elements, Compounds, and Mixtures
Heredity
Physical & Chemical Changes
Cells
Body Systems
100

The smallest unit that makes up an element.

What is an atom?

100

The part of DNA that carries the instructions for a specific trait.

What is a gene?

100

The type of change when ice melts into water.

What is a physical change?

100

The smallest living unit that can carry out life functions.

What is a cell?

100

The body system responsible for transporting oxygen and nutrients.

What is the circulatory system?

200

The correct classification for a saltwater solution.

(Element, compound, or mixture)

What is a mixture?

200

The physical expression of a gene, like eye color.

What is a phenotype?

200

The type of change that occurs when paper is burned.

What is a chemical change?

200

A cell structure found in plant cells but not in animal cells.

What is the chloroplast or cell wall?

200

The body system that includes the brain, spinal cord, and nerves.

What is the nervous system?

300

The name for a substance formed when two or more elements chemically combine.

What is a compound?

300

When an organism has two alleles for the same gene that are the same.

What is homozygous?

300

The type of change when rust forms on metal.

What is a chemical change?

300

The main job of the mitochondria in a cell.

What is cellular energy production?

(powerhouse of the cell)

300

The system that breaks down food into nutrients your body can absorb.

What is the digestive system?

400

When an unknown substance is moved next to a magnet and small bits of metal come out of it.

(Element, compound, and mixture)

What is a mixture?

400

The chart used to predict the probability of inherited traits.

What is a Punnett square?

400

One piece of evidence that a chemical change has taken place.

What is color change, temperature change, gas production, or a new substance forming?

400

The cell part that controls what enters and leaves the cell.

What is the cell membrane?

400

The combined effort of the muscular and skeletal systems.

What is movement?

500

Atoms of the same element that have different numbers of neutrons.

What is an isotope?

500

A strategy allows organisms to shuffle their genetics allowing for more varied offspring.

What is sexual reproduction?

500

The law that states that matter is rearranged but not created in chemical reactions.

What is the law of conservation of mass?

500

The key difference between prokaryotic and eukaryotic cells.

What is having a nucleus?

500

The ability of the human body to maintain it's state.

What is homeostasis?