Scientific Method
Physical Science
Earth Science
Life Science
Life Science
100

An educated guess scientists test during an experiment?

What is a hypothesis?

100

The source of all energy on earth.

What is the sun?

100

The closest star to our planet.

What is the sun?

100

Smallest unit of life

What is a cell?

100

multiple numbers of the same type of species.

What is a population?

200

What a scientist might see, hear, smell....ect. during an experiment.

What is an observation?

200

The combined processes of evaporation, condensation, and precipitation.

What is the water cycle?

200

The age of the earth.

What is 4.5 Billion years?

200

Process by which cells divide to produce more cells for growth and repair (regular body cells).

What is mitosis?

200

The process in which a species is naturally adapted to become better suited for their environment.

What is natural selection?

300

Variable that is being changed by the scientist during an experiment.

What is an Independent Variable

300

The smallest part of the biological pyramid.

What is an atom?

300

How scientists found the age of the earth.

What is measuring sedimentary layers?

300

Type of reproduction using two gametes, one set from each parent

What is Sexual reproduction?

300

The organized form of multiple genes in a nucleus.

What is a chromosome?

400

The six steps of the Scientific Method.

Observation, Question, Hypothesis, Methods (experiment), Results, and Conclusion

400

The force keeping humans on earth.

What is gravity?

400

Breaks down matter and returns it back to the soil for producer use.

What are decomposers?

400

Sexual reproduction mixes genetic information causing an increase in this.

What is variation of traits?

400

The visual representation of the flow of energy between organisms.

What is a food web?

500

The variable that changes based on the independent variable. 

What is the dependent variable?

500

Form of energy being lost during cellular and chemical processes.

What is heat?

500

What might be the result of increased carbon in the atmosphere due to burning of fossil fuels?

What is climate change?

500

Percent in which two heterozygous parents produce an offspring that is homozygous recessive.

What is 25%?

500

Carbohydrates, Lipids, Proteins, and Nucleic Acids.

What are the four biomolecules?