Amplify Science Unit 3 Chapter 3

Which two liquid molecules have similar properties and are mostly likely attracted to each other?

• water and oil molecules

• water and gasoline molecules

• water and vinegar molecules

• water and honey molecules

A student mixes a white powder with a blue liquid and observes what happens. Her observation makes her think that a chemical reaction took place.

Which of these was probably her observations?

• The liquid was light blue.

• The powder dissolved in the liquid.

• The powder settled at the bottom of the liquid.

• The mixture of the powder and liquid was yellow.

Tags

NGSS.MS-PS1-2

A student mixes a white powder with a blue liquid and observes what happens. Her observation makes her think that a chemical reaction took place. Which is the best definition of a chemical reaction for the experiment?

• The particles of a substance are rearranged to form a new substance that has less mass.

• The particles of two substances are rearranged to form a new substance.

• The particles of a substance are rearranged to form the same substance in a different state of matter.

• The particles of a substance are rearranged to form the same substance but with very different properties from the original.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Matter that is made of one or more

substance makes a/an

• atom

• molecule

• mixture

• substance

Tags

NGSS.MS-PS1-1

A_____ is matter that is made of only

one kind of atom or molecule.

• atom

• molecule

• mixture

• substance

Tags

NGSS.MS-PS1-1

A substance is _________

if it is able to dissolve in water or another liquid-

• Soluble

• a mixture

• a cake

• not soluble

What is the chemical process plants go through in order to make their own food?

• photography

• photosynthesis

• process

• none of the adove

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What happens when decomposers break down dead material?

• The matter stays on the ground.

• The matter just builds up.

• The matter goes back into the soil.

• The matter is eaten.

Tags

NGSS.MS-LS2-3

Look at the picture. This process is known as what?

• cycle

• photosynthesis

• precipitation

• energy

Tags

NGSS.MS-LS1-6

One food chain in an ecosystem might be grass, a mouse, a snake, and a hawk. Which one is the producer?

• mouse

• snake

• hawk

• grass

Tags

NGSS.MS-LS2-3