Asking a question! Back
This is a point of view that is highly personal or based on a belief that is not supported by evidence.
This is the factor that a scientist purposely changes during an investigation.
independent variable Back
This is a variable that a scientist keeps the same throughout the investigation.
What are the four main states of matter & which has the fastest moving atoms?
The mass per unit volume of a substance is known as this. What is the formula?
density; d = m/v Back
What are the three types of energy and what unit of measure do we use to identify energy?
kinetic, potential, and mechanical energy Energy is measured in joules. Back
What occurs when matter is changed into new substances, which normally cannot be reversed?
chemical change Back
What is the net force of desk being pushed 26 N to the left and pushed 19 N to the right? Is the force balanced or unbalanced?
metamorphic rock Back
Alfred Wegener proposed the idea that Earth’s continents were once connected and have broken apart and drifted to their present locations. What do we call this?
continental drift Back
topographic map Back
spiral galaxy Back
Earth __________ on its axis every 24 hours and ____________ around the Sun every 365 days.
These are small bodies or rock, ice, and dust that revolve in an elliptical orbit around a star and form tails as they pass close to stars.
During the 1st quarter and last quarter phases of the moon, the tidal bulges from the Sun and moon are at right angles. What are these tides called?
neap tides Back
Stars in the Universe are born inside these celestial objects made up of gases.
What organelle in plant/animal cells is responsible for regulating the flow of material into and out of the cell?
cell membrane Back
What are the sections of chromosomes (structures that contain DNA) that carry the information for a single trait?
This is a relationship between two organisms in which one organism benefits and the other is unaffected.
This form of reproduction involves only one parent and an identical genetic copy of itself is produced.