This is the solid, outermost layer of Earth where we live.
What is the crust?
The earth _________ around the sun.
What is orbit?
What type of force happens when two objects physically touch?
What is contact force?
This part of the cell controls what enters and leaves the cell.
What is cell membrane?
This is the part of an experiment that stays the same to ensure a fair test.
What is a control variable?
What force slows down a moving object when it rubs against a surface?
What is friction?
Cell walls and chloroplasts are in what?
What is in a plant cell?
A statement that can be tested by an experiment or observation is called this.
What is hypothesis?
These large pieces of Earth's crust move and can cause earthquakes.
What is tectonic plates?
The moon "blocks" the sun from view, this is called...
What is solar eclipse?
When a roller coaster reaches the top of a hill, it has its maximum of this type of energy.
What is potential?
A tick living on a dog is an example of what?
What is an example of parasitism?
Tools like rulers, thermometers, and balances are used in science to make these more accurate.
What is measurement?
This tool is used to measure air temperature.
What is a thermometer?
The earth's ____ takes 24 hours to complete.
What is rotation?
What do we call the back-and-forth motion that creates sound waves?
What is vibration?
These are the basic units of heredity passed from parents to offspring.
What is genes?
A scientist’s experiment didn’t support their hypothesis. What should they do next?
What is revise the hypothesis or design a new experiment?
The force that causes planets to orbit around one another
What is gravity?
What happens to the pitch of a sound when the frequency of the wave increases?
What is a the pitch becomes higher?
Failure of a species to adapt to a changing environment may lead to this.
What is extinction?