Final Test Grade 3 Semester 2 XZ by Ms. Nita Little Star Course

Which statement is correct?

• Opaque materials let some light pass through.

• Transparent materials block all light.

• Translucent materials let some light pass through.

• Opaque materials let all or most of the light pass through.

Tim and Ada want to make a shadow puppet performance. They want to create a dark shadow on the screen. Which material should they choose for their puppets?

• wood

• glass

• tracing paper

• clear plastic

Anita is making a shadow on the wall using her hand and a flashlight. What is the correct position of her hand, the flashlight, and the wall?

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What will happen to the shadow if an object is moved closer to the light?

• The shadow will be bigger.

• The shadow will be smaller.

• The shadow will disappear.

• The shadow will show no changes.

The sun rises in the East and sets in the West. What would the shadow of outdoor objects look like in the afternoon?

• They are long and pointing to the East.

• They are short and pointing to the East.

• They are long and pointing to the West.

• They are short and pointing to the West.

Erica wants to find out how much light can pass through the materials that will be used to make a lamp shade. What question should she ask?

• What is the color of the lamp?

• What is the temperature of the lamp?

• What is the brightness of the lamp?

• What is the size of the lamp's shadow?

Stanley has to group some objects into opaque, transparent, and translucent. Which one is the correct grouping?

• Option A

• Option B

• Option C

• Option D

How many days does it take for the moon to orbit the Earth?

• 7 days

• 27 - 28 days

• 100 days

• 365 days

A scientist who studies Earth and its resources is called a ________

• geologist

• astronaut

• botanist

• chemist

Which of the following is NOT due to the action of gravity?

• Ripened fruit falls off the tree.

• We can't stay up in the air after we jump.

• Birds fly in the sky.

• Water flowing to the lower places.