Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
11 Cards in this Set
- Front
- Back
|
true/false without dark matter, the big bang theory doesn't make since |
true |
|
|
What ocuppies space and takes up mass |
matter |
|
|
What are the two main types of matter |
pure substances and mixed substances
|
|
|
What are the four states of matter |
solid, liquid,gas and plasma |
|
|
true/false the states of matter depend on temperature |
True |
|
|
True/false matter can't be measured by its mass, weight, and volume |
true |
|
|
What is energy |
ability to do work |
|
|
What are atoms made of |
protons neutrons and electrons |
|
|
there r two types of pure substances. |
elements and compounds |
|
|
what r physical changes? |
Physical changes r when the outer shape of something changes but the chemicals inside stay the same. |
|
|
chemical changes |
a chemical change is when the outer shape stays the same but the inside chemicals change and turn to a totally different substance |
