Scientific Method

Which of the answer choices is the fourth step of the scientific method?

• form a hypothesis

• think of a question about the world around you

• test the hypothesis in an experiment

• write a conclusion about your results

• record and analyze the data

Rock and Sandy want to find the sunniest place in their backyard so they can plant sunflowers. They have marked off four areas in their yard. What would be the most important source of data for their experiment?

• the number of trees growing in their backyard

• the total hours of daylight during the week

• the number of sunflower seeds they plan to grow

• the total hours of sunshine in each of the four areas

Tags

NGSS.MS-LS1-5

Which of these terms refers to recorded observations and measurements that are made during an experiment?

• data

• graphs

• controls

• conclusion

Tags

NGSS.MS-PS1-2

Which of the following phrases best describes the scientific method?

• correct laboratory procedures

• a set of rules on how to act like a scientist

• a way to understand and explain the natural world

• a method that only scientists use

Tags

NGSS.MS-LS1-1

Students in Mr. Gneiss's science class designed and built their own skateboards using roller skate wheels and plywood. Which test would BEST determine which of the skateboards is the fastest?

• compare the weights of the skateboards

• compare how long the wheels spin on each skateboard

• have all students race on their skateboards at the same time

• time one student traveling down the same hill on each skateboard

Tags

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

NGSS.MS-PS3-1

Which of the following is necessary for a hypothesis to be supported or valid?

• it must be written as a question

• it must be written using scientific language

• it must describe the results of the experiment

• it must predict the outcome of the experiment

Which of the following is an inference?

• The rose is red.

• A tornado probably destroyed that barn.

• Bees gather nectar and make honey with it.

• The Ohio River empties into the Mississippi River.

A teacher asked his students to find out what kinds of birds visit the school's bird feeder. What is the best way for the students to gather information?

• Take turns watching the feeder several times each day for a month and keep a list of all the birds they see.

• Try to remember all the birds they saw during the last year.

• Take turns watching the feeder one day and keep a list of all the birds they see.

• Read a bird guide to find out what types of birds visit the area.

Alexis wanted to design an experiment to answer the following question: Does wearing tennis shoes or cleats make you run faster on turf (grass)? What would be the independent variable in her experiment?

• tennis shoes

• cleats

• type of shoe

• time to run

Which of the following statements is a quantitative observation?

• there are bubbles attached to the 'sewer lice'

• there are bubbles floating in the cup

• the 'sewer lice' are floating and sinking

• there is 150 milliliters of water in the cup