STAAR 8th Grade Science Review

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

fill in the blank convergent means _________

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

tendency of a substance to undergo chemical changes in a system

The smallest unit of life is the

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

the formation of solids from a solution

The following organisms are producers because they contain which unique organelles

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

Volcanoes are caused by which plate tectonic boundary

Which subatomic particle has a positive charge?

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

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

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

Law of conservation of mass states

A neutron has which charge

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

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

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

Which type of galaxy is shown below?

underwater Trenches are caused by

Which form of energy is used to power the vehicle?

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

Elements in the same period have the same number of what

The valence electron number determines which of the following

Which particle is found in the cloud

"APE" in APE MAN represents which of the following

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

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

Reactivity increases from left to right in a period

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

Sun is a medium-sized star near the edge of a disc-shaped galaxy of stars

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

Used for measuring the intensity of the energy of celestial objects

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

Fossil record and rock correlation support this theory

Genetically altering the DNA of a plant or animal is called

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

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

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

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