How many variables should be tested at one time in a scientific investigation?
A scientist using scientific methods would NOT
What is another word for hypothesis?
What should you be sure to do to stay safe when performing science activities?
Information from which a conclusion can be drawn or a prediction can be made are called
For a scientific conclusion to be valid, what must it be based on?
A valid scientific investigation must be able to be
Which of the following is the best description of technology?
In the design process, which step happens next after developing possible solutions?
Computers were made smaller and more affordable by which of the following?
What kind of reference materials do product designers use?
In what way are robots like humans?
The relationship between an owl and a mouse is an example of
A coral reef and the organisms that live in it form a(n)
Where would you be most likely to find animals with thick fur coats?
A desert provides the resources needed to support a population of
Which describes both a food chain and a food web?
Which event would cause an ecosystem to change quickly?
Which most likely limits a desert's ability to support plant life?
Which of the following is the best example of competition?
What do Jupiter, Saturn, Uranus, and Neptune have in common?
Which is an object in the solar system that is a frozen mass of ice and dust?
First person to see the 4 moons of Jupiter through his telescope. He also saw the "handles" of Saturn.
What evidence helped scientists decide that Pluto should be a dwarf planet?
How many hours does it take for Earth to make a complete rotation?
Which planet is warmer, Mercury or Mars?
With the use of all the science skills scientists often do not find solutions to common every day problems.
Scientific investigation starts with a testable question.
Experiment is defined as the use of scientific methods to test your hypothesis.
Technology has improved lives but also caused problems at the same time.
In the design process, a version of the solution to the problem identified is called a prototype
The four steps a computer use are input, processing, output, and feedback
The Sun is the ultimate source of energy and starts all food chains
As Earth rotates, the sun, moon, stars, and planets only seem to rise in the East and set in the West. It is really you that is moving
The number of daylight hours do not change as the seasons change.
The dependent variable is the variable you can control
Which choice below lists the correct order of the planets from the sun?
The mode is the value that occurs least often.
The mean is
Arrows on a food chain and food web show energy being transferred between organisms
Populations of organisms of different species in an area are known as a community.
The greatest amount of energy is located at the top of a food web.