Earth
Biology: Cells
Matter and Fluids
Forces
Space
100

The layer above Earth's surface that contains all of the planets gasses and air

What is Atmosphere?

100

This is the basic building block of all living things.

What is a cell?

100

This state of matter has a definite volume but takes the shape of whatever container you pour it into.

What is a Liquid? 

100

This invisible force pulls objects down toward the center of the Earth.

What is Gravity?

100

What is the third planet from the Sun

What is Earth?

200

Rain, snow, hail and sleet are examples of this stage in the water cycle.

What is precipitation

200

This rigid outer structure helps plant cells maintain their shape.

What is the cell wall?

200

If an object's density is greater than the density of the water it is placed in, this is what the object will do.

What is Sink?

200

This is the type of energy an object has because it is moving.

What is Kinetic Energy?

200

This is the largest planet in our solar system, famous for its giant red storm.

What is Jupiter?

300

What is the outer most layer of the Earth called

What is Crust?

300

This organelle acts as the powerhouse of the cell, producing energy.

What is the mitochondria?

300

This is the upward force that a fluid exerts on an object, helping it float.

What is Buoyancy?

300

Rubbing your hands together to create warmth is an example of kinetic energy turning into this type of energy.

What is Thermal Energy?
300

This is the cosmic name for our home galaxy, which is shaped like a giant spiral.

What is the Milky Way Galaxy?

400

This is the movement of rock and soil from one place to another by wind or water.

What is Erosion?

400

Unlike animal cells, plant cells can make their own food using this green organelle.

What is the chloroplast?

400

This is the force that resists motion when two surfaces, or a fluid and a surface, slide or rub against each other.

What is Friction? 

400

This specific term describes the unhelpful or wasted outputs of a system, such as exhaust fumes from a car or heat from a lightbulb.

What is by products/waste products?

400

This is the name given to a cosmic object made of ice, dust, and rock that grows a glowing tail when it gets close to the Sun.

What is a Comet?

500

This term describes the rise and fall of ocean water levels twice a day, caused by the gravitational pull of the Moon and the Sun.

What are Tides?

500

Where can all of a cell's genetic information be found?

what is DNA/Genes?

500

This term describes a fluid's resistance to flow—or how "thick" or "slow" it is. 

What is viscosity?

500

This type of simple machine consists of a rigid bar that pivots on a fixed point called a fulcrum.

What is a Lever? 

500

This is an area in space where gravity is so strong and tightly packed that nothing—not even light—can escape its pull.

What is a Black Hole?