Nature of Science
Atoms & Elements
Compounds & Mixtures
6th Grade Review
7th Grade Review
100

Allison does an experiment to see how long it takes for a teaspoon of sugar to dissolve in a cup of water. She does this three times and then asks Carpaur to copy her experiment to see if he gets similar result. Is Carpaur doing replication or repetition?

Replication

100

Which sub-atomic particles are found in the nucleus of an atom?

Protons and neutrons

100

The smallest unit of matter is?

Atom

100

You are pulled to the surface of the earth due to the force of 

Gravity

100

Identify the rock type: A volcano erupts and sends lava shooting into the air. This lava cools to form a(n) ____

Igneous Rock

200

True or False: Both theories and laws can be revised with new evidence

True

200

What is the subatomic particle that has a negative charge?

Electron

200

What state of matter is a material that can move freely, but oftentimes invisible

Gas

200

List the three parts of cell theory 

1. All living things are made of cells

2. Basic unit of life are cells

3. Cells come from other cells

200

Temperature ____________________ as you go deeper into the Earth.

Increases

300

Ahmya wants to know if fish swim faster to Broadway music or the Blues. She has two fish tanks, with the same kind and number of fish in each. She plays Broadway music for one hour each day for one tank and the Blues for one hour each day for the other. She puts her findings in a scientific journal. What is the dependent variable in this experiment?

How fast the fish swim. 

300

What does the atomic number of an element represent?

The number of protons

300

Carbon is considered an element, but carbon dioxide is considered to be a 

Compound

300

At the beach, differences in temperature create wind which transfers heat between the land and the water. The same process is also seen in the ocean as the gulf stream carries heat from the tropics northward. Heat transfer through any intermediate fluid is known as

Convection

300

True or False: Genes are inherited in pairs, one from each parent. 

True

400

What is an independent variable in an experiment?

The independent variable is the variable that is changed or controlled in a scientific experiment

400

List the three major groups found in the periodic table

Metals, Metalloids, and Non-metals

400

You mix Kool-Aid into water. The finished Kool-Aid is the 

Solution

400

The process by which sediment is moved from one place to another, caused by water, wind, ice, or gravity

Erosion

400

Waves of energy made by vibrations that require a medium (air, water, or solids) to travel through 

Sound Waves

500
How do laws differ from theories in scientific contexts?

Laws describe phenomena, while theories explain them.

500

What do we call the horizontal rows on the periodic table?

Periods

500

Compare the properties of acids and bases.

Acids taste sour and have a pH of 1-6

Bases taste bitter and have a pH of 8-14

500

What organelles are only found in plant cells?

Cell wall, chloroplasts, and large vacuole

500

Heat transfers from an area of _________ temperature to an area of __________ temperature

high to low

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