NGSS.5-PS1-1

Cells can be big, but some cells are so small they have to be seen with a microscope.

• True
• False

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NGSS.5-PS1-1

How does the size of an electron compare to the size of a proton?

• larger
• smaller
• equal

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NGSS.5-PS1-1

What are particles

• the tiny building blocks that make up matter
• how heavy something is

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A water molecule looks like _____.

• smiley face
• mickey mouse
• a long chain of atoms
• grumpy cat

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When changing from a liquid to a solid, the water molecules are ____________________________.

• freezing and moving away from each other.

• evaporating and moving away from each other

• condensing and moving closer to each other

• freezing and moving closer to each other

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What state of matter?

• Solid

• Liquid

• Gas

• Plasma!!!

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NGSS.5-PS1-1

A teacher gives a student four clear sealed containers. Each container holds a different substance. The student records some observations about the substance in each container.

Container 1: The substance takes the shape of the container and is clear. Small particles float on top of the substance.

Container 2: The substance is hard and cube-shaped. The surface of the substance is shiny.

Container 3: The substance is not visible, and the container appears empty.

Container 4: The substance is cold and made of crystals.

Based on these observations, which container most likely holds only gas?

• Container 1

• Container 2

• Container 3

• Container 4

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NGSS.5-PS1-1

Which is not a property of air?

• It has volume

• It is not matter

• It has pressure

• It can move

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What is matter made up of?

• particles that are too large to be seen

• tiny butter particles

• particles that are too small to be seen

• tiny water particles

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This picture represents which of the following?

• Element

• Compound

• Molecule

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