Myra mixes 30 grams of water with 40 grams of oil. What is the mass of the mixture?

• 70

• 60

• 80

• 50

Suzane adds 65g of water to 35g of oil. She measures the mass of the mixture. How can she demonstrate mass is conserved?
Suzane should find the ​ (a)   of 65g and 35g. This value ​ (b)   equal the mass of the mixture.

• mixture

• mass

• sum
• will
• will not
• difference

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Metal pieces are mixed with wood shavings. Which 2 statements are true about the physical properties of the mixture?

• A. The physical properties of the metal pieces will change.

• B. The physical properties of the metal pieces will not change.

• C. The physical properties of the wood shavings will change.

• D. The physical properties of the wood shavings will not change.

If you mix 10 grams of sugar in water, you will get 10 grams of sugar when you separate the mixture. TRUE or FALSE?

• TRUE

• FALSE

Tags

NGSS.MS-PS1-5

The photo shows a variety of pebbles along the shore of a lake. Why is the set of pebbles an example of a mixture but not a solution?

• A. A solution must be made of a solid mixed into a liquid.

• B. A solution must be clear, like water or air.

• C. A solution must appear the same throughout all its parts.

• D. A solution must be made of only one material.

A student puts cereal and milk into a bowl for breakfast. What do the materials in the bowl form?

• solid

• liquid

• mixture

• condensation

Inside a student's pencil bag is an eraser, two pencils, and a highlighter. What is the best description of the materials in the bag?

• mixture

• liquid

• natural resources

• magnetic

Bethany is identifying mixtures in her science class. Which of the following is a mixture?

• Ice water

• Salt

• Pizza

• Gold ring

physical combination of substances that can still be separated easily

• mixture

• solution

• solute

• solvent

Tags

NGSS.5-PS1-4