Science Quiz: Basic Concepts and Terms
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Questions and Answers

Discrete refers to counting things like the amount of ______.

people

Categorical data is sorted into ______.

categories

The singular word for bacteria is ______.

bacterium

The speed of a sound wave is ______ meters per second.

<p>343</p> Signup and view all the answers

To calculate distance, use the formula distance = ______ × time.

<p>speed</p> Signup and view all the answers

Energy stored due to movement of an object is called ______.

<p>Kinetic</p> Signup and view all the answers

Energy stored in food, batteries, and chemical fuels like wood and coal is referred to as ______.

<p>Chemical</p> Signup and view all the answers

The energy stored in hot objects that can be transferred to colder objects is known as ______.

<p>Thermal</p> Signup and view all the answers

Energy stored when potential things are stretched or squeezed is called ______.

<p>Elastic</p> Signup and view all the answers

The type of energy that is transferred from vibrating objects is referred to as ______.

<p>Sound</p> Signup and view all the answers

Evidence from observations or experiments is used to support a ______.

<p>theory</p> Signup and view all the answers

A ______ is a pure substance containing the same type of atom.

<p>element</p> Signup and view all the answers

An ______ is a mixture containing two different types of metal atoms.

<p>alloy</p> Signup and view all the answers

A ______ is a testable theory.

<p>hypothesis</p> Signup and view all the answers

A ______ is a quantity that changes in an investigation.

<p>variable</p> Signup and view all the answers

The Earth's crust is made up of large ______ plates.

<p>tectonic</p> Signup and view all the answers

Plates under the ocean are called ______ plates.

<p>oceanic</p> Signup and view all the answers

The movement of plates due to liquid rock is called ______ drift.

<p>continental</p> Signup and view all the answers

As dust and gas stick together, the mass increases and so does the strength of their ______.

<p>gravity</p> Signup and view all the answers

The small ball that forms from dust and gas eventually becomes a ______.

<p>planet</p> Signup and view all the answers

A ______ stores chemical energy and converts it to electrical energy in a circuit.

<p>cell</p> Signup and view all the answers

A ______ is made up of two or more cells.

<p>battery</p> Signup and view all the answers

In a battery, the two ______ are represented by + and - signs.

<p>terminals</p> Signup and view all the answers

Electrons are stored in ______.

<p>cells</p> Signup and view all the answers

Cells in a circuit are called ______.

<p>terminals</p> Signup and view all the answers

Weight is the force of gravity on an ______.

<p>object</p> Signup and view all the answers

Weight is measured in ______.

<p>Newtons</p> Signup and view all the answers

Mass is the quantity of ______ in an object.

<p>matter</p> Signup and view all the answers

Mass is measured in ______.

<p>kilograms</p> Signup and view all the answers

The relationship between weight and mass is expressed as Weight(N) = mass(kg) × ______.

<p>10</p> Signup and view all the answers

Flashcards

Discrete data

Data that can only take on specific values, often whole numbers, and can be counted.

Continuous data

Data that can take on any value within a range and can be measured.

Categorical data

Data sorted into categories.

Microorganism's size

Single-celled living things.

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Sound wave speed

343 meters per second.

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Kinetic Energy Definition

Energy of moving objects

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Chemical Energy Example

Stored in food and fuels

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Thermal Energy Transfer

Heat moving from hot to cold

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Gravitational Potential Energy

Stored energy of position related to gravity.

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Electrical Energy Transfer

Energy flows in circuits

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Compound

Elements bonded together in a fixed ratio.

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Element

Pure substance, one type of atom.

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Alloy

Mixture of two or more metal atoms.

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Hypothesis

Testable theory or explanation.

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Variable

A factor that changes in an investigation.

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Tectonic Plates

Large sections of the Earth's crust that move.

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Oceanic Plates

Tectonic plates located under the oceans.

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Continental Drift

The movement of Earth's tectonic plates over time.

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Planet Formation

Formation of a planet from dust and gas due to gravity.

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Magma

Molten rock found beneath the Earth's surface.

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Weight definition

The force of gravity acting on an object.

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Mass definition

The amount of matter in an object.

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Weight unit

Measured in Newtons (N).

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Mass unit

Measured in kilograms (kg).

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Weight-mass relationship

Weight = mass × 10 (on Earth).

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Electrical Energy from Cell

A cell stores chemical energy that can be converted into electrical energy in a circuit.

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Battery Components

A battery is made up of two or more cells.

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Cell Terminal

A cell has two terminals, labeled with '+' and '-' signs, used to connect to a circuit.

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Terminal Purpose

Terminals allow the flow of electricity in a circuit.

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Cell vs. Battery

A cell stores chemical energy to produce electricity; a battery contains multiple cells for higher energy output.

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