Big Idea 1 & 2 Quiz (no email)

Science is grounded in testable experiments. Which of these is a testable scientific question?

• Is growing plants a fun hobby?

• What gas do plants produce during photosynthesis?

• What kinds of plants look best by my house?

• What potted plants should I grow?

Tags

NGSS.MS-LS1-6

Jenna is using her science notebook to document an investigation which she is completing on outside air temperature. Jenna observes the thermometer and sees that the current temperature outside is 90 degrees Fahrenheit. Which scientific procedure should Jenna complete after observing the temperature>

• record the temperature of the air

• tell a friend about the investigation

• record her opinions on the temperature of the air

• research the best clothing to wear in that temperature

Scott grew four basil plants by growing them in a mixture of water and fertilizer. He wanted to find out if growing the plants this way could make them grow taller than plants that grow in the ground. How should Scott set up a control group for his experiment?

• He should grow four basil plants in soil.

• He should use different amounts of fertilizer for each plant.

• He should grow four tomato plants in water and fertilizer.

• He should grow some plants in warm water and some in cold water.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

A scientist discovers a dinosaur fossil in her local park. She records her observations in her notebook. Why is this considered an investigation and NOT an experiment?

• The scientist had only one control group in her study.

• The scientist is unable to repeat her study of what the dinosaur ate.

• The scientist has an opinion of what the dinosaur ate.

• The scientist only recorded her observations; there was nothing being tested.

Why do we use models or simulations?

• Because they are cool.

• Because I want to.

• Because something is too big or dangerous.

• Because Mrs. Johnson told me to!

Tags

NGSS.MS-ETS1-4

Kareem is studying liquid gases. Kareem adds ice to a jar of water and closes the top. Then he sees drops of water form on the outside of the jar. He says the water vapor in the air has taken liquid form. Which of the following best describes Kareem's statement?

• prediction

• experiment

• inference

• observation

Tags

NGSS.MS-PS1-4

Walt wants to know more about webs that spiders make. He looks at real examples as well as pictures. Walt says that spiders are helpful because they eat annoying insects. Which of the following BEST describes Walt's statement?

• Opinion

• Experiment

• Prediction

• Observation

Sophia is investigating the birds in her backyard. Which of these statements is a personal opinion rather than a scientific observation?

• The red birds have the most beautiful song.

• The large black birds spread their wings in the Sun.

• Different types of birds live in different parts of the same tree.

• More birds visit her bird feeder in the morning than in the afternoon.

Charlie is conducting a scientific experiment. Why should he repeat the experiment several times?

• To use all of the materials at least once.

• To make sure his results are valid.

• To better understand his procedure.

• To change variables during each trial.

You DO NOT have to use the scientific method for every experiment.

• True

• False

• Maybe

• Always