Test Prep- Science 4-8

Test Prep- Science 4-8

Assessment

Flashcard

Science

Professional Development

Practice Problem

Hard

Created by

Wayground Content

Used 1+ times

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15 questions

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1.

FLASHCARD QUESTION

Front

What is radiometric dating?

Back

A method used to determine the age of materials by measuring the decay of radioactive isotopes, such as carbon-14, which has a half-life of 5,730 years.

2.

FLASHCARD QUESTION

Front

What is a common misconception about floating objects?

Back

Many believe that objects must have a large amount of air in them to float, but buoyancy depends on the object's density relative to the fluid.

3.

FLASHCARD QUESTION

Front

How do you balance the chemical equation N2(g) + O2(g) → NO2(g)?

Back

The balanced equation is N2(g) + 2O2(g) → 2NO2(g), so the coefficient for NO2(g) is 2.

4.

FLASHCARD QUESTION

Front

What are some processes that contribute to erosion?

Back

Erosion can be caused by water, wind, and human activities such as tree removal.

5.

FLASHCARD QUESTION

Front

What is an inquiry-based activity in science?

Back

An activity where students actively engage in the scientific process, such as conducting experiments to test hypotheses.

6.

FLASHCARD QUESTION

Front

What is the half-life of carbon-14?

Back

The half-life of carbon-14 is 5,730 years, which limits its use in dating materials to about 60,000 years.

7.

FLASHCARD QUESTION

Front

What is the principle of buoyancy?

Back

Buoyancy is the upward force exerted by a fluid that opposes the weight of an object immersed in it.

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