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5th Science-Variable
5th Science, End of Module Test, Variables
Question | Answer |
---|---|
To control variables means | to change one thing at a time |
this is NOT a variable in a pendulum system | time of day |
what can you do to fix a clock that is running too slowly all the time | shorten the pendulum |
What does NOT affect the number of pennies needed to sink the boat in the lifeboat experiment you did in class? | the shape of the basin that holds the water |
If we set up an experiment to launch an aluminum ball, what angle would result in the greatest distance? | 40 degrees |
In an experiment, what two things can improve the accuracy of the results? | 1. Repeating the experiment 2. Controlling all the variables that are not under investigation |
In an experiment, this would NOT improve the accuracy of the results? | Using larger units to record the results |
A Pendulum system could be described as: | the string, the paper clip, the penny, the masking tape and a pencil |
A stone was launched using a catapult. However, the stone did not go over the wall. What two things could change on the catapult in order to get the stone over the wall? | -use a lighter stone -change the angle of the catapult |
The five parts of the catapult system are: | spring, wheel, rock or ball, base, and arm |