Lesson 1
The difference of the walls between the regular plastic cup and the fancy cup
The regular cup has a single wall, fancy cup has a double wall
Name one way we can we set up a fair test when testing different cup materials.
Same temperature of water, same amount of water, etc.
Matter has mass and takes up space. True or False.
True
Is the regular plastic cup with a lid an open system or closed system? Why?
Open system, the lid still has holes an areas that aren’t covered.
Dependent variables measure the ____.
DATA
Name 3 parts of the cup system of a regular plastic cup and fancy cup.
Walls, straw, lid
Vocabulary: This is the variable that you want to change because you want to test it. There is only 1 in your investigation.
Independent variable
The mass of a cup with no lid (open system) decreases over time. True or False. Why?
True. The particles of matter are leaving the cup.
The magnets represented _____ in our group activity.
Solid particles/ the cup’s molecules
In our cup labs, temperature and weight are dependent variables. True or False.
True, they were the data that we collected
Name a related phenomena that keeps something cold without using electricity. Explain how it works.
Examples) ice chest, cooler, hydro flask, cold pack, etc. because of the material inside, thick materials, etc. (Answers may vary)
This is the variable to observe for effects caused by the change in the independent variable. “Data”
Dependent variable
Water molecules can move freely around and are placed next to each other. True or False.
True
Water molecules can fit in between the solid’s molecules. Think about the liquid touching the SIDE of the cup. True or False.
False.
In our cup labs, the water being poured into the cups are controlled variables. True or False.
True, because they stay the same
Name a related phenomena that keeps something warm without using electricity. Explain how it works.
Examples) fireplace, jacket, blanket, thermal, etc. because it traps heat, insulated materials, blocks cold air, etc. (Answers may vary)
These are variables that are kept the same to keep each test consistent across an investigation.
Controlled variables
Air and gas particles are placed close to each other like water molecules. True or False.
False. They are spread out.
Particles of a solid move around freely. True or False.
False
We are looking for the size of the plant after it rains. What variable is the “size of the plant”
Dependent Variable “Data”
Both cups have ice water. Why does the regular cup heat up faster than the plastic cup?
Different materials such as the cup walls. It is double layered.
Maddie is doing an experiment on plants. She found out that plants grow best in colored light versus normal light. What is the independent variable of this statement?
The light
Particles of water in liquid form go into air over time is called _____.
Evaporation
Where does condensation come from?
When air comes in contact with a cold surface/ comes from outside of the cups or other systems.
If I add more milk, the tea will get a lighter color. The two variables: 1. Amount of milk 2. Color of the tea Which one is the independent variable
Amount of milk