WorksheetsStudy Guide
Total questions: 8
Worksheet time: 7mins
1. Even though alchemists never found a way to create gold, how was mixing together different substances helpful? What did they discover?
2. In which of the following places would using a drum work to send her secret messages?
a. The drum will work on Earth, under the water, and in outer space.
b. The drum will work on Earth and under the water. The drum will not work in outer space.
c. The drum will work on Earth and in outer space. The drum will not work under the water.
d. The drum will work under the water and in outer space. The drum will not work on Earth.
3. If Laila weighs the salt and vinegar solution and the pennies after the experiment, what do you think she will find?
a. The solution will weigh more and the pennies will weigh less after the experiment.
b. The solution will weigh less and the pennies will weigh more after the experiment.
c. The solution will weigh the same and the pennies will weigh the same after the experiment.
d. The solution will weigh the same and the pennies will weigh less after the experiment.
4. Emi drops a cup of baking soda into a glass container that has vinegar at the bottom of it. Then, she quickly puts a balloon on top of the container. What do you predict will happen to the balloon?
The balloon will get bigger because it will become filled with solid (baking soda) particles that are too small to be seen.
The balloon will get bigger because it will become filled with liquid (vinegar) particles that are too small to be seen.
The balloon will get bigger because it will become filled with gas particles that are too small to be seen.
The balloon will stay the same because it will not become filled with anything.
5. Samuel wants to make something called “elephant toothpaste.” It’s a chemical reaction that creates lots of white foam that looks like toothpaste for an elephant! Samuel knows that the reaction happens when two ingredients are mixed together. He also knows that one of the ingredients is hydrogen peroxide. Samuel doesn’t know what the other ingredient is. Using the ingredients shown in the picture above, describe the steps of an experiment that Samuel could perform to figure out what he needs to make “elephant toothpaste.”
6. Monica predicts that "If she exercises the day of her test, then she will score higher on the test." This is an example of which part of the scientific method?
Form a Hypothesis
Ask a Question, Research, Form a Hypothesis, Experiment, Anylze data, Draw Conclusions
7. Greg measures how high he can jump after doing squat exercises for three weeks. He records that on week 1 that he can jump 24 inches, on week 2 he can jump 26 inches, and on week 3 he can jump 28 inches. This is an example of which part of the scientific method?
56
Any mixture that has visibly different parts to it
Analyze Data
Analyze Data
8. Pretend you are the Sun and you are running for Energy President of the Earth. Write a campaign speech convincing everyone to vote for you.
