Nature of Science Living Systems Matter Forces and Energy Earth and Space

100

What is a triple beam balance?
The piece of equipment used to find the mass of an object.

100

What is cell, tissue, organ, organ system, organism, population
Put the following in order of increasing complexity: organ system, organism, cell, tissue, organ, population

100

What are protons and neutrons?
These two types of particles are found in the nucleus of the atom and give the atom its mass.

100

What is kinetic energy?
The energy that is in motion

100

What is a topographic map?
This type of map uses contour lines to connect points of the same elevation.

200

What is the variable
The part of an experiment that is being tested; the one thing being changed

200

What is chemical energy?
In plants, radiant energy from the sun is converted into this type of energy through photosynthesis.

200

What is a compound?
When two or more elements are chemically combined, such as when sodium and chlorine are combined to make salt. Its properties are different from the elements that make it up.

200

What is the flashlight?
A flashlight, a windmill, an electric lamp, and a solar panel are all used to convert energy from one type to another. Which of these devices converts chemical energy to light energy?

200

What is igneous?
A rock that is made from a volcano or also means "fire". It would likely be this type of rock.

300

What is the meniscus?
When reading the volume of water in a graduated cylinder, you should read from the bottom of this curved line.

300

What is dominant?
A pea plant's genotype includes 2 capital letters. The capital letters represent this type of gene.

300

What is an exothermic or combustion reaction?
When a chemical reaction occurs that gives off heat energy, such as burning gasoline in a car's engine, it is said to be this type of reaction.

300

What is an unbalanced force?
This type of force causes a change in an object's motion.

300

What is a new moon?
The phase the moon must be in for a completely unlit moon.

400

What is observations?
Any use of your senses to gather information about the world around you.

400

What are decomposers?
In a food web, bacteria and fungi are considered to play the role of recycling dead organisms.

400

What is the periodic table?
This is a way of classifying elements based on their similar physical and chemical properties.

400

What is Force = mass x acceleration (F=ma)?
A race car accelerates off the starting line at a rate of 7 meters/second squared. The car has a mass of 1000 kg. What formula would you use to solve this problem?

400

What is the surface temperature and luminosity (or brightness or magnitude)
The Hertzsprung-Russell diagram compares these two characteristics of a star.

500

What is an inference?
When a person figures out a way to explain the observations they have made using their previous knowledge and logical reasoning.

500

What are the muscular, skeletal, and nervous systems?
Name two body systems that control movements

500

What is bubbling (or gas), temperature change, color change, new odor, precipitate forms, light given off, or an explosion. (any 4 of these 7)
Evidence that a chemical reaction has occurred can include these 4 observations.

500

What is potential energy?
Which type of energy increases with height above the ground?

500

What is a mountain range (like the Himilayas) and a convergent boundary.
Tell one feature that often forms when two continental plates collide and what type of plate boundary this is called.

8th Grade Science TAKS Review

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