AND ANSWERS (ALL ARE CORRECT)
GRADED A+
What determines the order of the periodic table? - Answer-atomic number
circulatory system - Answer-(aka cardiovascular system) This system works as the
transportation highway for the body. It consists of the heart, blood, and blood vessels. It
transports substances such as oxygen, carbon dioxide, and nutrients in the body.
endocrine system - Answer-Consists of glands that control many of the body's activities
by producing hormones.
Executory system - Answer-removes excess and waste products from the body to
maintain homeostasis
Homologous - Answer-Structures in different species that are similar because of
common ancestry.
What stores bile? - Answer-gallbladder
When can you look at the sun? - Answer-Lunar eclipse
What makes an atom positively charged? - Answer-more protons than electrons
work - Answer-A result of a force moving an object a certain distance.
What system can we live without? - Answer-reproductive
anthropoid - Answer-resembling man
What is used to determine pH balance? - Answer-Litmus paper
What causes earths magnetism? - Answer-The inner and outer core rotation
A byproduct of cellular respiration is:
a. carbon
b. oxygen
c. carbon dioxide
d. carbohydrates - Answer-c. carbon dioxide
, On the periodic table, these are the columns - Answer-groups
This is considered a homogeneous mixture - Answer-gel
What is an example of a noble gas? - Answer-Helium
Mass - Answer-the amount of matter in an object (kg)
Volume - Answer-The amount of space an object takes up
Density - Answer-mass/volume
Newton's First Law - Answer-An object at rest stays at rest and an object in motion
stays in motion with the same speed and in the same direction unless acted upon by an
unbalanced force.
Newton's Second Law - Answer-Force = mass x acceleration
Newton's Third Law - Answer-For every action there is an equal and opposite reaction
Three types of rocks - Answer-igneous, sedimentary, metamorphic
How are igneous rocks formed? - Answer-cooling of magma or lava
How are sedimentary rocks formed? - Answer-Layers of sediment are cemented
together over time.
How are metamorphic rocks formed? - Answer-heat and pressure
What makes up earths atmosphere? - Answer-78% nitrogen, 21% oxygen, 1% other
gases
What gas causes the most pollution in the atmosphere? - Answer-
A graduated cylinder measures - Answer-volume
triple beam balance - Answer-measures mass
Which one has more density? Hot water or cold water? - Answer-Cold water
cell theory - Answer-Cells - Tissues - Organs - Organ systems - Organisms
Eukaryotic cells - Answer-have a nucleus and other membrane-bound organelles; fungi