Instructions:
1. Look at the name given for each stage.
2. Drag and drop the picture that corresponds to that stage.

Instructions:
1. Read the given statement.
2. If it is true, click TRUE, otherwise click FALSE.

Instructions:
1. Read the given question.
2. Read the given choices.
3. Click the correct answer.

Instructions:
1. Read the given question.
2. Read the given choices.
3. Click the correct answer.

Instructions:
1. Click a card.
2. Read the name or definition.
3. Find its match by clicking an other card.
4. Continue until all cards are flipped.

Instructions:
1. Read the given question.
2. Read the given choices.
3. Click the correct answer.

Instructions:
1. Read the given statement.
2. Click the correct answer.

Instructions:
1. Read the given statement.
2. Click the correct answer.

Instructions:
1. Click a card.
2. Read the name or definition.
3. Find its match by clicking an other card.
4. Continue until all cards are flipped.

Instructions:
1. Read the given question.
2. Read the given choices.
3. Click the correct answer.

Instructions:
1. Read the given statement.
2. Click the correct answer.

Instructions:
1. Click a card.
2. Read the name or definition.
3. Find its match by clicking an other card.
4. Continue until all cards are flipped.