It is NOT a scientific instrument.
a. What is a thermometer?
b. What is a battery?
c. What is a microscope?
It is how we figured out for ourselves that molecules are very small.
a. What is looking at a photograph of molecules?
b. What is weighing them on a scale or balance?
c. What is smelling odors through a balloon?
This molecule moves the fastest.
a. What is a hot molecule?
b. What is a cold molecule?
c. What is a room-temperature molecule?
Purple cabbage juice can show this.
a. What is an acid?
b. What is a base?
c. What is both a. and b.?
This group of foods is at the top of the food pyramid.
a. What are bread, cereal, rice, potatoes, and pasta (carbohydrates)?
b. What are meat, poultry, fish, and eggs?
c. What are fats, oils, and sweets?
This proves that plants take up water and nutrients through their roots and stems and pass them to the leaves.
a. What is "leaves turn red when a celery stalk is placed in red water"?
b. What is "leaves taste sweet when a celery stalk is placed in sugar water"?
c. What is "both a. and b."?
If I am looking for bears, and I see a bear track, it is this.
a. What is direct evidence?
b. What is solid evidence?
c. What is indirect evidence?
It is produced by mixing baking soda and vinegar.
a. What is carbon dioxide?
b. What is natural gas?
c. What is oxygen?
It is what goes on when you put a drop of food coloring in hot water.
a. What is heat?
b. What is diffusion?
c. What is temperature?
Acids and bases do this to each other.
a. What is "neutralize"?
b. What is "compliment"?
c. What is "nothing"?
These foods have sugar in them (tested with heated Benedict's solution).
a. What are egg white, peanut butter, and chocolate sauce?
b. What are jelly, peanut butter, and chocolate sauce?
c. What are egg white, bread, and Honey Nut Cheerios?
The cell.
a. What is a room in a prison?
b. What is the basic building block of living things?
c. What is the opening in a leaf?
It is a picture of your measurements in an experiment.
a. What is a graph?
b. What is a photograph?
c. What is a pictograph?
When I balance two plastic bags of air on a scale, then pour this into one of the bags, the bag gets heavier.
a. What is hydrogen?
b. What is carbon dioxide?
c. What is helium?
When I put a drop of food coloring in hot water and wait a long time, this is what happens.
a. What is "the molecules of food coloring stop moving"?
b. What is "the molecules of food coloring get in between the water molecules and sit still"?
c. What is "the molecules of food coloring are still moving around"?
These have acid in them.
a. What are lemons, limes, and toothpaste?
b. What are vinegar, tomato, and car battery?
c. What are baking soda, aspirin, and Coca-Cola?
These foods have starch in them (tested with iodine).
a. What are bread, apple, and cereal?
b. What are bread, cheese, and cereal?
c. What are cheese, sugar, and cereal?
It is the process by which plants take in carbon dioxide, water, and sunlight and make oxygen and sugars.
a. What is photosynthesis?
b. What is perspiration?
c. What is respiration?
It is an observation that helps us draw conclusions in an experiment.
a. What is a hypothesis?
b. What is a procedure?
c. What is evidence?
When I sprinkle pepper on a plate full of water, then put a drop of soap in the middle, this happens.
a. What is "the pepper flees to the outside edge of the plate"?
b. What is "the pepper sinks to the bottom"?
c. What is "both of these happen"?
The water molecules are farther apart in this.
a. What is 1 quart of room-temperature water?
b. What is 1 quart of hot water?
c. What is 1 quart of cold water?
It is a molecule that has a loose hydrogen atom in it.
a. What is a base?
b. What is a neutral molecule?
c. What is an acid?
This is a complex carbohydrate.
a. What is sugar?
b. What is fat?
c. What is starch?
It is the process by which plants take in oxygen and give off carbon dioxide in order to make energy.
a. What is respiration?
b. What is photosynthesis?
c. What is perspiration?
It is a guess about the answer to a scientific question based on our knowledge.
a. What is communicating with other scientists?
b. What is a hypothesis?
c. What is a conclusion?
I can break a paint stick under a piece of aluminum foil because of this.
a. What is air pressure?
b. What is the weight of the foil?
c. What is a very weak paint stick?
It is the motion, or movement, of molecules or atoms.
a. What is heat?
b. What is temperature?
c. What is diffusion?
It is a molecule that has a loose OH piece in it.
a. What is a base?
b. What is a neutral molecule?
c. What is an acid?
Carbohydrates (sugars and starches) are made of these atoms.
a. What are carbon, hydrogen, and oxygen?
b. What are carbon, hydrogen, and hydrate?
c. What are carbon, oxygen, and nitrogen?
They are the four kinds of fossils.
a. What are mold, cast, true form, and bone fossils?
b. What are cast, trace, true form, and bone fossils?
c. What are mold, cast, trace, and true form fossils?