Show:
Very cool variables
Water Water everywhere
Matter Matters
Data and constants
Metrics
100
To find the independent variable in an experiment ask yourself: "What do I ?"
"What do I change?"=Independent Variable
100
Tightness across the top of water is an example of: A) Adhesion B) Capillary Action C) Universal Solvent D) Surface Tension
D) Surface Tension
100
What is the name of the neutrally charged particle that is found in the nucleus (the middle) of an atom?
A neutron
100
Something in an experiment that always stays the same is: A) an independent variable B) a dependent variable C) a control D) a constant
Stays the same=D) a constant
100
When I measure the amount of distance I am measuring: A) Mass B) Volume C) Legnth D) Temperature
Amount of distance=C) legnth
200
What question should you ask yourself when you are looking for the dependent variable in an experiment? "What do I or ?"
"What do I measure or observe?"=Dependent Variable
200
When water moves up a tree root to the trunk and leaves this is an example of: A) Surface Tension B) Adhesion C) Universal Solvent D) Capillary Action
D) Capillary Action
200
What 2 types of particles are found in the nucleus of an atom?
Neutrons and Protons
200
QUALitative data is information with: A) Numbers B) Your senses
Qualitative=descriptions
200
When I measure the amount of space I am measuring: A) Mass B) Temperature C) Volume D) Legnth
Amount of space=C) Volume
300
Melisa wants to know which brand of orange juice tastes better. What is the independent variable in this experiment? A) The taste B) The brand of orange juice C) How much she drinks D) What Melisa is wearing
Independent Variable=B) The brand of orange juice
300
If you have a cup of ice which of the following could be its temperature? A) 5 degrees Celsius B) 27 degrees Celsius C) 100 degrees Celsius D) -7 degrees Celsius
D) -7 degrees Celsius
300
The atomic number = the number of . A) Protons B) Neutrons C) Electrons D) Atoms
Atomic Number=number of protons (number of protons = number of electrons)
300
Which of the following is a quantitative observation? A) My dog is brown B) The room smells like shocolate chip cookies C) There are 30 questions on the test D) Alisha is wearing pink today
Quantitative=numbers C) there are 30 questions on the test
300
If I am measuring the mass of a pencil, what units do I use? A) Liters B) Meters C) Grams D) Degrees Celsius
Mass=C) Grams
400
Leigen wants to know how studying affects her science benchmark score. What is Leigen's Dependent Variable? A) amount of time studying B) What she is wearing C) Her benchmark score D) the book she is reading
Dependent Variable=C) Her benchmark score
400
What two charges do water molecules have that make them stick to other water molecules?
+ and -
400
I have an atom with an atomic number of 7 and an atomic mass of 15.003. How many neutrons does this atom have? (show your work)
15.003=15 15-7=8 neutrons
400
Ms. G wants to do an experiment to see how many hours students should study to get an A on the science benchmark. She has William study 1/2 hour Brandon study 1 hour Steven study 2 hours Zaniah study 3 hours She asks them all to take the same science benchmark and she measures who has the best grade. Name 1 constant in this experiment
The test that they take
400
If I am measuring the Volume of milk in a carton what units do I use? A) Meters B) Liters C) Grams D) Degrees Celsius
Volume=Liters
500
Mrs. Nelson wants to know what type of candy will make Larry work the hardest. What is the independent variable in this experiment?
The type of candy
500
Adhesion is when water molecules stick to . Cohesion is when water molecules stick to .
Adhesion=other surfaces Cohesion=other water molecules
500
I have an atom with an atomic mass of 15.999 and 8 electrons. How many neutrons does it have? *hint: # of electrons=number of protons (show your work)
15.999=16 8 electrons=8 protons=atomic number 8 16-8=8 neutrons
500
Jose and Jamal want to know which breakfast gives them the most energy for the school day. One day they eat cereal, one day they eat a pop-tart and one day they eat an apple. They eat the same amount of each breakfast food at the same time each day. Name 1 constant in this experiment
The amount of food The time of day
500
Did scientists always know what they know now or has Science and the ideas of scientists changed over time? A) Science has always been the same B) Science changes over time
B) Science changes over time