Nature of Science
Allison does an experiment to see how long it takes for a teaspoon of sugar to dissolve in a cup of water. She does this three times and then asks Carpaur to copy her experiment to see if he gets similar result. Is Carpaur doing replication or repetition?
Replication
Which sub-atomic particles are found in the nucleus of an atom?
Protons and neutrons
The smallest unit of matter is?
Atom
You are pulled to the surface of the earth due to the force of
Gravity
Identify the rock type: A volcano erupts and sends lava shooting into the air. This lava cools to form a(n) ____
Igneous Rock
True or False: Both theories and laws can be revised with new evidence
True
What is the subatomic particle that has a negative charge?
Electron
What state of matter is a material that can move freely, but oftentimes invisible
Gas
List the three parts of cell theory
1. All living things are made of cells
2. Basic unit of life are cells
3. Cells come from other cells
Temperature ____________________ as you go deeper into the Earth.
Increases
Ahmya wants to know if fish swim faster to Broadway music or the Blues. She has two fish tanks, with the same kind and number of fish in each. She plays Broadway music for one hour each day for one tank and the Blues for one hour each day for the other. She puts her findings in a scientific journal. What is the dependent variable in this experiment?
How fast the fish swim.
What does the atomic number of an element represent?
The number of protons
Carbon is considered an element, but carbon dioxide is considered to be a
Compound
At the beach, differences in temperature create wind which transfers heat between the land and the water. The same process is also seen in the ocean as the gulf stream carries heat from the tropics northward. Heat transfer through any intermediate fluid is known as
Convection
True or False: Genes are inherited in pairs, one from each parent.
True
What is an independent variable in an experiment?
The independent variable is the variable that is changed or controlled in a scientific experiment
List the three major groups found in the periodic table
Metals, Metalloids, and Non-metals
You mix Kool-Aid into water. The finished Kool-Aid is the
Solution
The process by which sediment is moved from one place to another, caused by water, wind, ice, or gravity
Erosion
Waves of energy made by vibrations that require a medium (air, water, or solids) to travel through
Sound Waves
Laws describe phenomena, while theories explain them.
What do we call the horizontal rows on the periodic table?
Periods
Compare the properties of acids and bases.
Acids taste sour and have a pH of 1-6
Bases taste bitter and have a pH of 8-14
What organelles are only found in plant cells?
Cell wall, chloroplasts, and large vacuole
Heat transfers from an area of _________ temperature to an area of __________ temperature
high to low