94 questions
What do all waves transfer?
Matter
Heat
Electricity
Energy
What are the two types of waves?
longitudinal and transverse
sound and light
What is the distance between the calm sea and the highest wave called?
Wave
Frequency
Amplitude
Magnitude
What type of simple machine has a ramp that makes it easier for a heavy object to be moved up or down?
lever
pulley
inclined plane
wedge
A seesaw is an example of what type of simple machine?
wheel and axle
lever
wedge
pulley
What type of simple machine makes chopping wood easier?
inclined plane
screw
wedge
lever
_______ are the smallest units of life because they grow, reproduce, respond, and use energy.
atoms
elements
cells
all of the above
Cells come from______.
other preexisting cells
cytoplasm
organelles
prokaryotes
The cell theory states that_________
cells come from cells
all organisms are made of cells
cells are the basic unit of structure and function for life
all of the above
________ is the scientist who saw small chambers when looking at cork, and named them “cells”.
Newton
Hooke
Carson
Manning
A multicellular organism is made of
one cell
multiple cells
unicellular cells
there is no such thing as a "multicellular" organism
The basic building blacks from which all living organisms are made are
cells
DNA
chromosomes
Amoeba
Which cell structure acts as a brain/control center for the cell?
Nucleus
Vacuole
Cell wall
Cytoplasm
Both a plant and animal cells have a cell wall
True
False
Which of the following, found ONLY in plant cells, provides structure?
cell wall
chloroplast
mitochondria
vacuole
What kind of cell is this?
plant
animal
What kind of cell is this?
plant
animal
jello-like material, fills the space between cell organelles, is where many chemical reactions occur
cytoplasm
chromatin
chloroplast
cell membrane
Radiation is a method of thermal energy transfer. It refers to the transfer of heat energy that moves–
through empty space.
when objects touch.
only through solids.
in the motion of fluids.
Conduction can only occur between two objects when–
one object is less dense than the other.
both objects are in physical contact with each other.
one of the objects is made of a metal.
both objects are exactly the same temperature.
Which of the following is an example of a situation in which an egg is receiving thermal energy through convection?
Which of the following is an example of a situation in which an egg is receiving thermal energy through convection?
An egg is fried in a metal pan on the stove.
An egg cracked on a hot sidewalk starts to cook.
The egg is cooked in a pot of water on the stove.
Objects that can transfer energy easily.
Conductors
Conduction
Convection
Insulators
Transfer of energy through circular motion caused by heating and cooling in fluids (liquids and gases).
Conduction
Convection
Radiation
Conductors
Thermal energy is transferred through space.
Conduction
Radiation
Convection
Temperature
Thermal energy is transferred when two objects of different temperatures touch.
Conductors
Conduction
Radiation
Convection
Which state of matter is the earth's inner core?
plasma
liquid
solid
gas
What is geology?
the study of rocks
the study of history
the study of maps
the study of earth
What was an evidence for plate tectonics that was claimed by the author of the theory?
plate measurements
knowledge of the mantle
fossils on the coasts
the movie Ice Age
This layer of the earth is the thickest part
crust
outer core
mantle
inner core
This layer of the earth is the thinnest part
crust
outer core
mantle
inner core
The one large land mass before it drifted apart was called
Panthalassa
Terra
Pangaea
Pandora
The theory of continental drift impacts land because
It causes the land to move over time
It causes sand and soil from one continent to “drift” into another through trade winds
If you stand still long enough you can feel continents drifting beneath you
All of the above
Hot, molten rock inside the earth is called ...
lava
magma
igneous rock
minerals
Once magma reaches the earth's surface, it is called __________.
a vent
minerals
igneous rocks
lava
Rock particles carried and deposited by water, wind & ice.
sedimentary rock
sediment
metamorphic rock
igneous rock
Series of natural processes by which rocks are slowly
changed from one kind of a rock to another.
igneous rock
metamorphic rock
sedimentary rock
rock cycle
The shaking that results from the movement of rock beneath Earth’s surface.
erosion
weathering
volcano
earthquake
A break in Earth’s crust along which rocks move.
plate
fault
volcano
sediment
A person that studies the forms of life existing in prehistoric times by investigating the fossils of plants, animals, and other organisms is known as a
Investigator
Paleontologist
Researcher
Pathologist
Fossil fuels are forming fast enough to keep up with how fast we use them.
False
True
Not reusable
No formation
Coal, oil and natural gas are ________ _______. We will eventually run out of these
Fossil fuels
Temporary resources
Nonrenewable resources
Renewable resource