Water on Earth
Is most of the water on Earth fresh water or salt water?
If something is in the middle of the Venn Diagram what does that mean?
Both things being compared have it in common.
Actually changing the independent variable and seeing what happens is called?
Experiment / Test
Which variable is the one that we decide to change?
Independent!
If we cook an egg, is that a reversible or irreversible change?
Irreversible
T/F: Sugar and Salt can dissolve in water
True
What would be one thing you could write in the middle of a Venn Diagram between girls and boys?
They are human, They walk on 2 legs, They have live birth, etc.
A guess about what you think will happen in your experiment is called?
Hypothesis
If I change the amount of water I give to my plants, what variable is changing?
What is it called when a gas changes to a liquid?
Condensation / Condense
Where can we find freshwater?
Lakes and rivers
In a Venn Diagram with fish & whales, where would you put "live birth"?
Only for whales! (Fish lay eggs.)
Seeing that some plants grow better than others depending on where they are in your yard and asking why this happens is called?
Which variable changes after we change a variable?
Dependent!
What is an example of an irreversible change?
Baking cake batter, cooking an egg, etc.
Can we filter water to make it drinkable?
Yes!
If we were comparing birds and fish, could we put "lay eggs" in the middle of the Venn Diagram?
yes!
1. Observe (ask a question)
2. Hypothesis
3. Experiment / Test
4. Analysis
5. Conclusion
Which variable is one that we choose not to change because we don't want it to affect the experiment results?
Control!
When a liquid changes to a gas, what is this called?
Evaporation / Evaporate
T/F: Humans can drink freshwater and saltwater
False
Think of 2 things and draw a Venn Diagram for them on the board (put 2 things in each category).
Miss Grace will see if your Venn Diagram is correct!
What is it called when we look at all the information from our experiment and we see what changed, what worked, what it means?
Giving plants the same amount of sunlight, using the same type of seeds, and keeping the plants in the same climate are examples of...?
Melting chocolate is what kind of change?
Reversible