8th Frade Matter and Properties TEST

Mia, Mason, and Noah are on a science adventure! They need your help to find out which of the following is a nonmetal. Can you help them choose the right answer?

• Oxygen

• Iron

• Copper

• Silver

Evelyn, Nora, and Rohan are in the science lab, trying to create something new! What can they use to form brand new molecules?

• Atoms

• Particles

• Chemical changes

• Physical changes

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Jackson, Maya, and Hannah are curious about atoms! They find a cool atomic model (like the one in the picture) and wonder: What is the purpose of an atomic model?

• To provide a true picture of an atom

• To help explain things that are hard to picture exactly

• To show the exact size of an atom

• To demonstrate chemical reactions

Tags

NGSS.MS-PS1-1

Hannah, Nora, and Daniel are curious: Where is most of an atom's mass concentrated?

• Electrons

• Neutrons

• Nucleus

• Empty space

Aria, Oliver, and Sophia are curious about the mysteries of atoms! Which of these amazing discoveries did scientists figure out first?

• Matter is made of atoms.

• Electrons circle the nucleus.

• Atoms are mostly empty space.

• Atoms are made of electrons, protons, and neutrons.

Tags

NGSS.MS-PS1-1

Zoe and Elijah are playing a science quiz. Zoe asks, "Elijah, can you tell me what the electrical charge of a proton is?" What should Elijah answer?

• Positive

• Negative

• Zero

• Neutral

Evelyn and Nora are having a science debate! Evelyn says that all particles in a pure material are exactly the same. Nora isn't so sure. Who do you agree with? Circle T if the statement is TRUE or F if it is FALSE: All particles in a pure material are the same.

• True

• False

Scarlett and Priya are having a science debate! Scarlett says new molecules are formed during physical changes, but Priya disagrees. Who is correct? Circle T if the statement is TRUE or F if it is FALSE: New molecules are formed during physical changes.

• True

• False

Kai, Maya, and Lily are in science class, and they’re curious about what happens during a chemical change at the molecular level. Which of the following best describes a chemical change?

• Atoms changing color

• Atoms breaking apart or joining together

• Atoms moving faster

• Atoms becoming smaller

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Anika and David are exploring a drop of pure water under a microscope. What tiny particles do they find in pure water?

• Gold atoms

• Water molecules

• Oxygen atoms

• Hydrogen atoms

Tags

NGSS.MS-PS1-1