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Science 7 Review
For 7th Grade final
Question | Answer |
---|---|
What are ways that scientists answer questions and solve problems ? | Scientific Method |
Group that gets the unusual treatment | Experimental Group |
What is the special treatment called ? | Independent Variable |
What is measured in an experiment ? | Dependent Variable |
What comes after the experiment ? | An Analysis |
What equation is Mass/Volume for? | Density |
Are Metals good at conducting heat and electricity ? | Yes |
What system uses grams and meters ? | The Metric System |
What is 1000 times bigger than a gram, meter, or liter ? | Kilo |
What is 1000 times smaller than a gram, meter, or liter ? | Milli |
Color and shape are___________. | Physical Properties |
What is the amount of mass per unit of volume ? | Density |
Which state of Matter is the most dense ? | A solid |
A measure of the size of a three-dimensional space. | Volume |
The process where a solid changes directly into a gas. | Sublimation |
When it is cold outside, will a balloon deflate? | Yes |
If an object is lighter than the space it takes, it will float. True or False? | True |
The bigger a planet is, the less gravity it will have. | False |
Which has its particles move faster, a Gas or Plasma ? | Plasma |
What maintains the properties of an element ? | Atoms |
What particle has a negative charge ? | Electron |
How is the periotic table arranged ? | By Atomic number. |
What is the number of protons in a nucleus called ? | Atomic Number |
What is at the bottom of an element in the periodic table, and is measured by the number of protons and neutrons in a isotope. | Atomic Mass |
What does the solute go into ? | The solvent |
What is two or more elements that are chemically combined ? | A compound |
What is good at conducting electricity? | Electric Conductor |
Do opposite charges attract ? | Yes |
What is the capacity to do work ? | Energy |
A form of energy will never change ? | No |
What force is an object at rest or has potential to move ? | Kinetic Energy |
What do cars run on ? | Fossil Fuels |
Can energy be created or destroyed ? | Neither |
What energy conversion is in a flashlight ? | Chemical to Electrical to Light. |
What law states things keep on doing what they are doing until an unbalanced force is acted on them ? | Law one or the law of Inertia |
Which law states there is a equal force for every force. | Law 3 |
The speed of an object in a particular direction. | Velocity |
A measure of the amount of matter in an object. | Mass |
Is wind a renewable resource ? | Yes |
What is a periodic disturbance in a solid as energy is transferred though a medium ? | Wave |
What is freezing or any other way to slow down particles, Endo or exothermic ? | Exothermic |