1st semester vocab Word Scramble
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Question | Answer |
What is the big bang? | Everything was created from a point is space. |
What is the Doppler affect? | The red shift and blue shift. |
What is a comet? | A comet is a ball of ice with a tail shooting through space. |
What is the name of our universe? | The solar system. |
What is in the milky way? | Alot of stars clumped up together. |
How do u find density? | Calculate the mass and volume of the object divide them and you have density. D=M/V |
What is a gradulated cylinder used for? | Measuring liquids and finding volume. |
What should you do when you are done with a lab? | clean up. |
What do you do before a lab? | listen to the teacher and don't touch the equipment? |
Can you eat during a lab? | No |
What is a chemical change? | A change in what it was to something different. |
What is a physical change? | A change in appearance. |
What is the charge of an electron? | Negative |
What is the charge of a proton? | Positive |
What is the charge of a neutron? | No charge or neutral. |
What is a balanced force? | When 2 forces are equal. |
What is an unbalanced force? | When 2 forces are not equal. |
What is newtons first law? | If an object experiences no net force, then its velocity is constant: the object is either at rest (if its velocity is zero), or it moves in a straight line with constant speed (if its velocity is nonzero). |
What is newtons second law? | The acceleration a of a body is parallel and directly proportional to the net force F acting on the body, is in the direction of the net force, and is inversely proportional to the mass m of the body, i.e., F = ma. |
What is newtons third law? | When a first body exerts a force F1 on a second body, the second body simultaneously exerts a force F2 = −F1 on the first body. This means that F1 and F2 are equal in magnitude and opposite in direction. |
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