Small Group Science Review Day 1

What are the characteristics of a solid?

• Solids have definite shape and volume, strong intermolecular forces, and particles that are closely packed together in a regular pattern.
• Solids have indefinite shape and volume
• Solids have particles that are loosely packed together in a random pattern

What are the characteristics of gas?

• Takes the shape of it's container.

• It has a definite shape and size.

• It expands to take the space of it's container.

Tags

NGSS.MS-PS1-4

What does physical state refer to?

• Smell of matter
• Shape of matter
• Color of matter
• Whether it is a liquid, solid, or gas

Tags

NGSS.MS-PS1-4

Some examples of a solid are ​​ ​ (a)   ​ ​ (b)   ​ (c)  

• plastic cube,
• sugar cube ,
• dish soap.
• oxygen
• hydrogen
• kool-aid
• water
• carbon dioxide

What is relative density?

• Whether an object sinks or floats in water.

• The mass of a substance divided by its weight
• The weight of a substance in relation to its mass
• Density of a substance compared to its volume

These are substances that are less dense than water​ ​ (a)   ​ ​ (b)   ​ ​ (c)   and​ (d)  

• wood chip,
• soap bubble,
• cork,
• toothpick,
• wood chip.
• book ring
• nail
• washer
• penny

What does it mean if a substance is soluble in water?

• It can evaporate in water.
• It can solidify in water.
• It can change color in water.
• It can dissolve in water.

Tags

NGSS.MS-PS1-2

What is a solute?

• A substance dissolved in a solvent to form a solution.
• A gas dissolved in a liquid to form a solution.
• A solid substance that does not dissolve in a solvent.

These substances dissolve in water ​ (a)   ​ ​ (b)   ​ ,​ (c)   ​ (d)  

• baking soda,
• drink mix,
• lemon juice,
• and sugar.
• cornstarch
• vegetable oil
• black pepper
• sand

What is a conductor?

• A conductor is a material that absorbs light.
• A conductor is a device used to measure temperature.
• A conductor is a type of musical instrument.
• A conductor is a material or object that allows the flow of electrical current.