Physics
Chemistry
Biology
Astronomy
Geology
100

A push or pull applied to an object.

What is a force?

100

The three states of matter.

What are solid, liquid and gas?

100

The basic units or building blocks of all organisms.

What are cells?

100

The most massive planet in our solar system.

What is Jupiter?

100

All of the solid, nonliving parts of Earth, including rocks, minerals, soil and sediment.

What is the geosphere?

200

The formula for calculating net force.

What (total)distance (total)divided by time?

200

A pure substance consisting of a single type of atom.

What is an element?

200

The process during which surviving organisms pass on their traits to their offspring, ensuring survival of the fittest.

What is Natural Selection?

200

The forces that attracts objects toward each other, and is affected by the mass and distance of an object.

What is gravity?

200

An area where all of the water flowing downhill collects in rivers, lakes and streams.

What is a watershed?

300

An object's speed and direction is known as ________.

What is velocity?

300

A mixture in which different substances are visible and does not appear the same throughout.

What is a heterogeneous mixture?

300

A three-sided model that shows the flow of energy through trophic levels in an ecosystem, from producers to tertiary consumers.

What is an energy pyramid?

300

Composed of dust, rock and frozen gasses that revolve around the Sun; sometimes referred to as "dirty snowballs" in our solar system.

What are comets?

300

Huge slabs of rock that form Earth's lithosphere and move around because of convection currents in the mantle.

What are tectonic plates?

400

Three ways in which thermal energy transfers.

What are conduction, convection and radiation?

400

The process in which one or more new substances are formed and evidenced by gas production, color change, temperature change, formation of a precipitate and odor. 

What is evidence of a chemical change?

400

The organ system which acts as a barrier, protecting the inside of the body from the environment.

What is the integumentary system?

400

Consisting of the planets Mercury, Venus, Earth and Mars.

What are the inner, or rocky planets?

400

This is a term used to describe a break in the layers of sedimentary rock.

What is a fault?

500

This states that "An object at rest stays at rest, and an object in motion stays in motion at a constant speed in a straight line unless acted upon by an unbalanced force".

What is Newton's First Law of Motion?

500

A homogeneous mixture in which water is the solvent, dissolving other substances, known as solutes.

What is an aqueous solution?

500

A system for describing, classifying and naming organisms based on their characteristics.

What is taxonomy?

500

The sphere surrounding our solar system, made of billions of icy bodies, and the source of long-term comets.

What is the Oort Cloud?

500

A large underground area made of permeable rock, gravel, sand or silt that stores groundwater.

What is an aquifer?