STAAR 8th Grade Science Review

Clouds of gas and dust. Sites of star formation. Remains of dead or dying stars

Which particle is found in the cloud

In the equation 3H₂O, the number 2 is called what

This crustal feature was done to prevent which of the following processes

The smallest unit of life is the

Volcanoes are caused by which plate tectonic boundary

Genetically altering the DNA of a plant or animal is called

distance light can travel in a vacuum in one year; equal to approximately 9.5 X 10¹²km

Which of the following is an example of a chemical change?

This is an eclipse but it could also be which moon phase?

When speed is combined with direction it is called which of the following

Which subatomic particle has a positive charge?

Satellites move at a constant speed around celestials bodies due to which law

Elements in the same period have the same number of what

If the woman in the picture does not move is work being done?

Fossil record and mountain ranges support this theory

The mass of an atom is the combination of which two particles

An organism that feeds off of another organism, in order to survive(e.g., tick, flea, tapeworm)

An object at rest stays at rest until an unbalanced force acts on it, which law is this?

The Sun is a medium-sized star

Reactivity increases from left to right in a period

The mass (g) of substances in the reactants is equal to the mass of substances in the

The number of electrons in the last shell of an atom is called what

How many hydrogen are found in this molecule? (NH₄)₂CO₃

Which of Newton's Law is responsible for lift off of the space shuttle?

fill in the blank convergent means _________

"APE" in APE MAN represents which of the following

You are in a car driving and the brakes are applied, you fly forward, which Law is this?

Objects in space, made of gases, which produce their own light and heat

The valence electron number determines which of the following

A neutron has which charge

When plate boundaries form mountains this is an example of which boundary?

a system of stars and associated matter, held together by gravitational attraction

The following organisms are producers because they contain which unique organelles

Which type of galaxy is shown below?

underwater Trenches are caused by

tendency of a substance to undergo chemical changes in a system

the formation of solids from a solution

Law of conservation of mass states

Which form of energy is used to power the vehicle?