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predicting-plate-movement.html
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predicting-plate-movement.html
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<html>
<head>
<title>Predicting Plate Movement</title>
<style>
.imageDiv {
margin-left: 50;
margin-right: 50;
margin-bottom: 10;
}
#feedbackText {
font-weight: bold;
height: 20;
margin-bottom: 10;
}
</style>
<script>
function checkAnswers() {
showLeftPredictionImage();
showRightPredictionImage();
disableAllRadioButtons();
hideAllButtons();
setTimeout(showFeedbackTextAndTryAgainButton, 5000);
}
function showLeftPredictionImage() {
if (isLeftRadioCorrect()) {
displayImage('left', 'correct');
} else {
displayImage('left', 'incorrect');
}
}
function showRightPredictionImage() {
if (isRightRadioCorrect()) {
displayImage('right', 'correct');
} else {
displayImage('right', 'incorrect');
}
}
function showFeedbackTextAndTryAgainButton() {
showFeedbackText();
onlyShowTryAgainButton();
}
function showFeedbackText() {
if (isLeftRadioCorrect() && isRightRadioCorrect()) {
setCorrectFeedbackText();
} else {
setIncorrectFeedbackText();
}
}
function setCorrectFeedbackText() {
setFeedbackTextColor('green');
setFeedbackText('Nice job! If you are finished exploring, you may move on.');
}
function setIncorrectFeedbackText() {
setFeedbackTextColor('red');
setFeedbackText('Nice Try! Please try again.');
}
function setFeedbackText(text) {
document.getElementById('feedbackText').innerHTML = text;
}
function setFeedbackTextColor(color) {
document.getElementById('feedbackText').style.color = color;
}
function clearFeedbackText() {
document.getElementById('feedbackText').innerHTML = '';
document.getElementById('feedbackText').style.color = '';
}
function showStartingImages() {
showLeftStartingImage();
showRightStartingImage();
}
function showLeftStartingImage() {
displayImage('left', '');
}
function showRightStartingImage() {
displayImage('right', '');
}
function displayImage(leftOrRight, state) {
let imageName = `predicting-plate-movement-${leftOrRight}`;
if (state === 'correct') {
imageName = `${imageName}-correct`;
} else if (state === 'incorrect') {
imageName = `${imageName}-incorrect`;
}
imageName = `${imageName}.gif`;
document.getElementById(`${leftOrRight}Image`).src = imageName;
}
function tryAgain() {
clearPredictions();
hideAllButtons();
showStartingImages();
enableAllRadioButtons();
clearFeedbackText();
}
function clearPredictions() {
document.querySelector('input[name="leftRadioButtons"]:checked').checked = false;
document.querySelector('input[name="rightRadioButtons"]:checked').checked = false;
}
function disableAllRadioButtons() {
const radioButtons = getAllRadioButtons();
radioButtons.forEach(radioButton => radioButton.disabled = true);
}
function enableAllRadioButtons() {
const radioButtons = getAllRadioButtons();
radioButtons.forEach(radioButton => radioButton.disabled = false);
}
function getAllRadioButtons() {
return document.querySelectorAll('input[type="radio"]');
}
function isLeftRadioCorrect() {
const leftRadioValue = document.querySelector('input[name="leftRadioButtons"]:checked').value;
return leftRadioValue === 'apart';
}
function isRightRadioCorrect() {
const rightRadioValue = document.querySelector('input[name="rightRadioButtons"]:checked').value;
return rightRadioValue === 'together';
}
function predictionClicked() {
if (isBothPredictionsChosen()) {
onlyShowCheckAnswersButton();
}
}
function isBothPredictionsChosen() {
return document.querySelector('input[name="leftRadioButtons"]:checked') != null &&
document.querySelector('input[name="rightRadioButtons"]:checked') != null;
}
function hideAllButtons() {
hideTryAgainButton();
hideCheckAnswersButton();
}
function onlyShowCheckAnswersButton() {
hideTryAgainButton();
showCheckAnswersButton();
}
function onlyShowTryAgainButton() {
hideCheckAnswersButton();
showTryAgainButton();
}
function showCheckAnswersButton() {
document.getElementById('checkAnswersButton').style.display = 'inline';
}
function hideCheckAnswersButton() {
document.getElementById('checkAnswersButton').style.display = 'none';
}
function showTryAgainButton() {
document.getElementById('tryAgainButton').style.display = 'inline';
}
function hideTryAgainButton() {
document.getElementById('tryAgainButton').style.display = 'none';
}
</script>
</head>
<body>
<div style="text-align: center;">
<h3>Predicting Plate Movement</h3>
<p>The animations here show different sets of convection cells in the Earth's Mantle.</p>
<p>Predict whether the plates will move toward or away from each other.</p>
<div style="display: flex; justify-content: center;">
<div class="imageDiv">
<img
id="leftImage"
src="predicting-plate-movement-left.gif"
alt="Left Plates"
aria-label="Left Plates"
/>
<div>
<p>Which way will the plates move?</p>
<input type="radio" name="leftRadioButtons" value="apart" onclick="predictionClicked()">Apart</input>
<input type="radio" name="leftRadioButtons" value="together" onclick="predictionClicked()">Together</input>
</div>
</div>
<div class="imageDiv">
<img
id="rightImage"
src="predicting-plate-movement-right.gif"
alt="Right Plates"
aria-label="Right Plates"
/>
<div>
<p>Which way will the plates move?</p>
<input type="radio" name="rightRadioButtons" value="apart" onclick="predictionClicked()">Apart</input>
<input type="radio" name="rightRadioButtons" value="together" onclick="predictionClicked()">Together</input>
</div>
</div>
</div>
<div id="feedbackText">
</div>
<div>
<button id="checkAnswersButton" onclick="checkAnswers()" style="display: none">Check Answers</button>
<button id="tryAgainButton" onclick="tryAgain()" style="display: none">Try Again</button>
</div>
</div>
</body>
</html>