Hypothesis and Density Concepts

Hypothesis and Density Concepts

Assessment

Interactive Video

Science, Physics, Chemistry

6th - 8th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video introduces hypothesis formation using density as an example, supported by the NSF. It explores why some objects float or sink, focusing on density as a key factor. The video differentiates between predictions and hypotheses, emphasizing the importance of testable explanations. Through examples, it illustrates good and bad hypotheses. A pop can experiment is conducted to apply these concepts, using Excel for data analysis.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What determines whether a can of pop will float or sink in water?

Its density

Its size

Its weight

Its color

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for density?

Density = Mass / Volume

Density = Volume / Mass

Density = Volume - Mass

Density = Mass x Volume

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does a prediction differ from a hypothesis?

A prediction is based on data, while a hypothesis is not.

A prediction is a guess about the outcome, while a hypothesis explains why something happens.

A prediction is always correct, while a hypothesis is not.

A prediction explains why something happens, while a hypothesis guesses the outcome.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a characteristic of a good hypothesis?

It is based on personal opinion.

It is a random guess.

It provides an explanation for an observation.

It is a statement that cannot be tested.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is the statement 'Michelin tires are better than Goodyear' considered a bad hypothesis?

It is based on a prediction.

It is too long.

It is too specific.

It is not testable.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of using the if-then form in hypothesis formation?

To make the hypothesis more interesting

To ensure the hypothesis is testable

To make the hypothesis longer

To confuse the reader

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the pop can experiment, what is the assumed volume of each can?

100 milliliters

384 milliliters

250 milliliters

500 milliliters

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