Chemistry

What is a variable in an experiment?

• Something that stays the same

• Something that might change

Tags

NGSS.MS-PS2-2

What are the three states of matter?

• Solid

• Wet

• Gas

• Frozen

• Liquid

Tags

NGSS.MS-PS3-4

NGSS.MS-PS1-4

How do you make a mixture?

• By combining 2 or more substances.

• By pouring lots of one substance into a cup.

• By stirring water

What do you call the red particles in this mixture?

• Solvent

• Solute

• Solution

What do you call the blue substance in this mixture?

• Solvent

• Solute

• Solution

Which two words describe a mixture where you CAN'T see the different parts?

• Solution

• Homogenous Mixture

• Heterogenous Mixture

Do solids have high or low kinetic (movement) energy?

• Low (the particles don't move very much)

• High (the particles move around lots)

Tags

NGSS.MS-PS3-4

What is an observation in an experiment?

• What you think will happen.

• What you see happen.

Tags

NGSS.MS-PS1-2

Which of the following are methods you can use to separate two solids?

• Strainer / Sieve

• Air

• Water

• Picking them apart.

What is a heterogenous mixture?

• A combination of two or more substances where you can see the different parts.

• A combination of two or more susbtances where you cannot see the different parts.

• A single substance that you stir.