G5 Second Review ST

G5 Second Review ST

Scientific English

How do you see an object?

Light travels from the light source to the object. The lights from the object reflects off (bounces) into our eyes.

Multiple Choice

A _______________ is a smooth, polished surface that reflects light well.

• plastic spoon

• rubber

• wood

• mirror

Multiple Choice

How many mirrors are there in a periscope?

• three

• five

• six

• two

Multiple Select

Choose the first letter to fill in the blank.

• A

• B

• C

• D

Multiple Select

Choose the second letter to fill in the blank.

• A

• B

• C

• D

Multiple Select

Choose the third letter to fill in the blank.

• A

• B

• C

• D

Multiple Select

Choose the fourth letter to fill in the blank.

• A

• B

• C

• D

Challenge question

Can you think of some other uses of a periscope from your daily life?

Multiple Choice

Which of the following reflects light so that you can see yourself in that surface?

• Mirror

• Wood

Multiple Choice

If a surface reflects light very well, you will not be able to see your reflection in that surface.

• True

• False

Multiple Choice

A mirror ______ light.

• reflects

• absorbs

Multiple Choice

Clear water _________ light.

• absorbs

• reflects

Multiple Select

Which of the following absorbs light. (Select 2 options)

• mirror

• black paper

• clear water

• wood