1.  Animation: How eyes work.

Watch the animation.

 

 

2. Reading:  How eyes work.

Choose the correct sentence for each picture.

1. Choose the correct sentence The image is read by the retina and passed to the brain by the optic nerve. The most important parts are the pupil, the iris, the lens, the retina and the optic nerve. An image is projected onto the retina, like in a cinema. The lens focuses the light, like the lens in a camera. On sunny days the iris closes to let in less light. Light goes into the eye through the pupil. At night the iris opens to let in more light. The eye is spherical, like a ball.

2. Choose the correct sentence The image is read by the retina and passed to the brain by the optic nerve. The most important parts are the pupil, the iris, the lens, the retina and the optic nerve. An image is projected onto the retina, like in a cinema. The lens focuses the light, like the lens in a camera. On sunny days the iris closes to let in less light. Light goes into the eye through the pupil. At night the iris opens to let in more light. The eye is spherical, like a ball.

3. Choose the correct sentence The image is read by the retina and passed to the brain by the optic nerve. The most important parts are the pupil, the iris, the lens, the retina and the optic nerve. An image is projected onto the retina, like in a cinema. The lens focuses the light, like the lens in a camera. On sunny days the iris closes to let in less light. Light goes into the eye through the pupil. At night the iris opens to let in more light. The eye is spherical, like a ball.

4. Choose the correct sentence The image is read by the retina and passed to the brain by the optic nerve. The most important parts are the pupil, the iris, the lens, the retina and the optic nerve. An image is projected onto the retina, like in a cinema. The lens focuses the light, like the lens in a camera. On sunny days the iris closes to let in less light. Light goes into the eye through the pupil. At night the iris opens to let in more light. The eye is spherical, like a ball.

5. Choose the correct sentence The image is read by the retina and passed to the brain by the optic nerve. The most important parts are the pupil, the iris, the lens, the retina and the optic nerve. An image is projected onto the retina, like in a cinema. The lens focuses the light, like the lens in a camera. On sunny days the iris closes to let in less light. Light goes into the eye through the pupil. At night the iris opens to let in more light. The eye is spherical, like a ball.

6. Choose the correct sentence The image is read by the retina and passed to the brain by the optic nerve. The most important parts are the pupil, the iris, the lens, the retina and the optic nerve. An image is projected onto the retina, like in a cinema. The lens focuses the light, like the lens in a camera. On sunny days the iris closes to let in less light. Light goes into the eye through the pupil. At night the iris opens to let in more light. The eye is spherical, like a ball.

7. Choose the correct sentence The image is read by the retina and passed to the brain by the optic nerve. The most important parts are the pupil, the iris, the lens, the retina and the optic nerve. An image is projected onto the retina, like in a cinema. The lens focuses the light, like the lens in a camera. On sunny days the iris closes to let in less light. Light goes into the eye through the pupil. At night the iris opens to let in more light. The eye is spherical, like a ball.

8. Choose the correct sentence The image is read by the retina and passed to the brain by the optic nerve. The most important parts are the pupil, the iris, the lens, the retina and the optic nerve. An image is projected onto the retina, like in a cinema. The lens focuses the light, like the lens in a camera. On sunny days the iris closes to let in less light. Light goes into the eye through the pupil. At night the iris opens to let in more light. The eye is spherical, like a ball.

 

 

3. Matching: Parts of the eye.

Label the diagram.

Please ensure the Java Virtual Machine is installed and enabled

 

 

 

4. Picture dictionary: Adjectives.

Match the adjectives to the pictures.

Please ensure the Java Virtual Machine is installed and enabled

 

5. Reading: Illusions.

Click on an illusion and read the instructions.

 

6. Language: Comparative adjectives.

 

Order the words to make comparative sentences.

Please ensure the Java Virtual Machine is installed and enabled

 

7. Practice: Comparative adjectives.

Can you write the sentences?

Use these adjectives (remember to put them in the comparative form):

long/short, wide/narrow, top/bottom, big/small, vertical/horizontal, straight/bent

Please ensure a Java Virtual Machine is installed and enabled