6th grade Science
what is the biosphere made of?
all living things
a robotic submarine explores the ocean. it collects samples of living things, such as tubeworms. What layer of earth is the robotic submarine?
Hydrosphere
acids have a PH of what?
Bases have a PH of What?
below 7 = acids
above 7 = bases
protons, neutrons, electrons
which organelle is in charge of making energy in an Animal cell?
Mitochondria
what are dunes?
Hills of sand
On the electromagnetic spectrum, Which radiation has the shortest wavelength?
Gamma
Janice is learning about compounds. What best describes a compound?
a substance made up of two or more elements
Group 1 in the periodic table is known for having what kind of Characteristic?
Highly reactive
During cellular respiration, what 3 things are used?
oxygen, glucose and energy
what is mechanical energy made of?
kinetic and potential energy
After an Earthquake there are cracks present. What are these cracks called?
Faults
if you put a candle of wax that is burning over a cup of cold water, what will happen to the wax if it falls in the cold water?
it will turn back into a solid
a group of students pours several liquids into a container. soap, corn oil, alcohol, and colored water. What are the students most likely trying to compare?
The density of the liquids
what are the 5 types of Eukaryotes?
protists, fungi, archaea, animals, plants
what are the levels of organization written in order?
atoms, molecules, organelles, cells, tissues, organs, organ systems, organism
fossils are commonly found in which type of rock?
sedimentary
How does temperature affect chemical changes?
it affects the reaction or rate of reaction
macy is making lemonade. She is making a solution. she mixes water and lemonade powder. Which of those things she adds is considered the solvent?
water
it is 105 degrees outside. Janice goes to track practice and begins to run. her temperature is rising and she is sweating. what process is this called?
Homeostasis
what are the 5 layers of the atmosphere?
hydrosphere, cryosphere, geosphere, biosphere, atmosphere
increased competition for food
what are the two types of mixtures called?
homogenous & heterogenous
The solar system is held together by the sun electromagnetic pull. Which plant would orbit slowest around the sun?
neptune
This is a semi permeable layer of the cell.
Cell membrane