Will a construction paper air plane fly faster than an airplane made from notebook paper? Choose the best hypothesis.

If I make a paper airplane from notebook paper, then it will fly faster than construction paper.

I think the construction paper air plane will fly faster.

Which side of a penny will hold more drops of water? Choose the best hypothesis.

If I use the heads side of a penny, then it will hold more drops of water than tails.

Tails will hold more drops of water.

If I listen to Mr. Castro's instructions, then I will have less accidents in the lab. What is the independent variable?

Listening or not listening to instructions

Likelihood of having an accident in lab

If I read this question carefully, then I will answer it correctly. What is the independent variable?

Reading or not reading carefully

What are the first two steps of the scientific method in order?

Ask a question, For a hypothesis

The data collected supports which of the following questions that Squidward could have tested?

Which reed length creates the best sound?

Which song does the audience prefer?

Which instrument does the audience like best?

How do applause affect performance?

Some researchers are developing a new fertilizer designed to improve the growth of plants in hot, dry climates. The fertilizer was applied to one hundred desert plants in a greenhouse. The average daytime temperature in the greenhouse was 90°F, and the humidity levels were low. Which is best for the researchers to do next?

A compare plants that received fertilizer to similar plants that received none

B begin selling the fertilizer to gardeners living in hot, dry climates

C change the conditions in the greenhouse and retest the fertilizer

D test the fertilizer on plants that are adapted to cooler climates

A meteorologist recorded high temperatures for five days at three locations on land. The data are shown in the table below.

Areas at the beach have the most stable temperatures.

Areas at the beach have the coolest temperatures

Areas farther from the beach always have the warmest temperatures.

Areas farther from the beach always have the same weather as areas at the beach

A scientist investigates the effect of carbon dioxide on plant height. The scientist grows plants in several closed containers. All the plants receive the same amounts of water and light, but the air in each container has a different amount of carbon dioxide. What is the independent variable in this experiment?

the amount of carbon dioxide in each container

the number of plants in each container

the amount of water provided to the plants

the height of each plant after a period of time

The students concluded that the plants grown indoors grew faster because they received better quality light than the plants grown outdoors. Which is the most likely reason this conclusion may be flawed?

The growth of the plants in each set was affected by more than one factor.

The students measured the plants at different times.

The students should have grown different types of plants.

The outdoor plants grew faster than the indoor plants.

Some scientists want to design a system of instruments that will evaluate ocean currents, temperatures, and winds in order to predict weather patterns. What should they do before they produce the first complete working version of the system?

build a prototype of the system

evaluate the results of the system

improve the design of the system

A student filled three identical cups with equal amounts of water. The student placed each cup in a room with a different air temperature. After a few days, the student compared the amounts of water remaining in each cup. What cause-and-effect relationship does this investigation support?

At higher air temperatures, more water evaporates.

As evaporation decreases, air temperature decreases.

As evaporation increases, air temperature increases.

At higher air temperatures, less water evaporates.

Students in a science class plan to investigate a factor that affects the rate at which a pendulum swings. In which way should the students manipulate the variables to get valid results in this investigation?

use equal string lengths and different plumb bob masses

use different string lengths and different plumb bob masses

use equal string lengths and the same plumb bob shapes

use different string lengths and different plumb bob shapes

Scientific Method 7-8

Authored by Ashlee Kalberer

Science

7th - 8th Grade

NGSS covered

Used 44+ times

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30 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

This variable in an experiment is the one being changed by the scientist.

dependent variable

independent variable

data

control group

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The summary at the end of an experiment that explains the results.

conclusion

procedures

materials

responding variable

Tags

CCSS.RI.7.3

CCSS.RI.7.5

CCSS.RI.8.3

CCSS.RI.8.5

CCSS.RI.9-10.3

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The name of the information that you get from your experiment (you organize it into charts and graphs).

observations
conclusion

data

variables

hypothesis

Tags

CCSS.6.SP.B.5A

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...

The type of plant

The amount of sunlight

The type of music

The type of liquid

Tags

NGSS.MS-LS1-5

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Dependent variable means

the scientist controls what to test

educated guess

ask a question

what is being measured

Tags

CCSS.6.SP.B.5B

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If you increase the amount of spinach you eat, then you will increase the iron in your blood.
What's the dependent variable?

increase the amount of iron in your blood

spinach you eat

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

If I ride my bike to school instead of walking, then I will get to school faster. What is the dependent variable?

True

How fast you get to school

Riding a bike or walking

False

Tags

NGSS.MS-PS3-1

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Scientific Method 7-8

This variable in an experiment is the one being changed by the scientist.

The summary at the end of an experiment that explains the results.

The name of the information that you get from your experiment (you organize it into charts and graphs).

Dependent variable means

If you increase the amount of spinach you eat, then you will increase the iron in your blood. What's the dependent variable?

If I ride my bike to school instead of walking, then I will get to school faster. What is the dependent variable?

Will a construction paper air plane fly faster than an airplane made from notebook paper? Choose the best hypothesis.

Which side of a penny will hold more drops of water? Choose the best hypothesis.

If I study for my scientific method test, then I will have a better test score. What is the dependent variable?

Access all questions and much more by creating a free account

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Popular Resources on Wayground

Discover more resources for Science

If you increase the amount of spinach you eat, then you will increase the iron in your blood.
What's the dependent variable?