Science Skills Test Review

Jack thinks that plants will grow taller in ultraviolet light, but has not conducted an experiment.  This is an example of a(n): 

• conclusion
• hypothesis
• experiment
• data

The idea that Earth's crust is made up of moving plates is an example of a scientific __________.

• law
• experiment
• prediction
• theory

The volume of irregularly shaped objects can be measured using the ___________ method.

• guess and check
• water displacement
• meter stick
• mass and weight

Which plant grew the most according to this line graph?

• Plant 1
• Plant 2
• Plant 4
• Plant 5

The application of science and mathematics to solve problems that meet the needs of society and improve the quality of life is known as:

• technology
• engineering
• physics
• data

Becky and Billy are twins.  Becky has blue eyes, and Billy has green eyes.  What question can be investigated based on this observation?

• Can a boy and a girl be twins?
• Do girls have better sight than boys?
• How is eye color determined?
• Why do people have eyes?

A test model of a product is known as a:

• trial
• prototype
• prediction
• data point

A scientist wants to see if lightning bugs glow more frequently in a darker environment.  She puts equal amounts of lightning bugs in a lighted box and in a dark box.  What is the dependent variable in this experiment?

• Level of light
• Frequency of bugs' glow
• Same size boxes
• Predators of lightning bugs

Mickey observed that his cat had more energy after eating a new type of cat food one night.  How can he verify that this new cat food really does improve his cat's energy?

• By collecting more data of the cat's energy with new and old food over several days
• By creating a hypothesis that the new food has more carbohydrates
• Collect more data, but use more of the old cat food than the new cat food
• Change the amount of water the cat gets with both types of food

What is the first step of the engineering design process?

• Publish results
• Create a prototype
• Identify a problem
• Conduct research