8th Grade Science STAAR review Questions

Front

What causes all 4 seasons on Earth?

Back

The Earth completing one revolution around the Sun.

Front

What allows us to see the surface of the moon from Earth?

Back

Light from the Sun is reflected by the moon's surface.

Front

What is the genetic code for all of your traits?

Back

DNA.

Front

What is subduction?

Back

The process by which ocean crust is taken into the trenches and back to the mantle.

Front

How do you calculate the acceleration of an object?

Back

Acceleration = Force ÷ Mass.

Front

What is the formula for calculating force?

Back

Force = Mass x Acceleration.

Front

What is the role of the nucleus in a cell?

Back

The nucleus contains the cell's genetic material (DNA).

Front

What is the difference between a dominant and recessive gene?

Back

A dominant gene expresses its trait even if only one copy is present, while a recessive gene requires two copies to express its trait.

Front

What is the process of photosynthesis?

Back

Photosynthesis is the process by which plants convert sunlight into energy using carbon dioxide and water.

Front

What is the water cycle?

Back

The continuous movement of water on, above, and below the surface of the Earth.