Chapter 2 - Scientific Evaluation
What is based on facts and not influenced by personal feelings?
Objective
Related to the senses, like seeing, hearing, or tasing.
What is sensory or senses
What is anything that has mass and takes up space?
What is Matter?
Any change that takes place in the universe requires what?
Transfer of energy
What is pure water on a pH scale?
What is 7?
Are there places in the world that currently don't have drinkable water?
YES
What is to judge or calculate the value or quality of something?
Evaluate
The feel or structure of a surface or substance, like how something feels in your mouth
What is texture
How many states can matter exist?
What is solid, liquid, and gas?
Energy that is stored is what?
Potential Energy
The higher the number on the pH scale the more ______ the substance is?
What is basic?
Name three ways you use water everyday:
answers will vary
Why do we use fact based evidence when conducting an experiment instead of opinions?
Because the answers will vary depending on who is doing the experiment.
Based on facts and measurable data, not personal feelings
What is objective
What has volume but can change shape?
What is liquid?
Energy in Motion is what?
Kinetic Energy
What is the substance that makes the stomach extremely acidic to kill harmful bacteria and aid in the digestion of food?
What is Hydrochloric Acid?
Water influences what two things in food?
What is appearance and texture?
What are variables in a scientific experiment that are kept constant to compare results to?
The control
What sense perceives aroma or fragrance?
Smell
What has neither a fixed shape nor volume?
What is a gas?
Metabolism is higher OR lower when you are a teenager compared to an adult?
What is higher?
What causes heartburn?
When the stomach is too full and stomach acid splashes into the esophagus.
Where there is water, there is __________?
What is life?
What does subjective mean?
Based on personal feelings
What sense is feeling the texture and temperature?
What is touch?
How can matter change from one state to another?
Through heating or cooling
What is it called when a substance changes from a liquid to a gas state?
What is evaporation?
What happens to bulimic's teeth?
The acid from the stomach breaks down the enamel when they throw up their food.
Name the six nutrients the body needs to survive that will be covered one by one in this class?
1. Carbohydrates
2. Vitamins
3. Proteins
4. Lipids/ fats
5. Water
6. Minerals