Grade 8 Science Diagnostic Quiz

Which of the following is a physical change?

• Rusting of iron

• Burning wood

• Melting ice

• Baking a cake

Tags

NGSS.MS-PS1-4

What is the basic unit of matter?

• Molecule

• Atom

• Compound

• Element

What are the negatively charged particles in an atom called?

• Protons

• Neutrons

• Electrons

• nucleus

What is the role of a gene?

• To provide energy for cells

• To determine the sequence of amino acids in proteins

• To transport nutrients in the blood

• To protect the cell from infections

Tags

NGSS.MS-LS3-1

What does homozygous mean?

• Having two different alleles for a gene

• Having one allele for a gene

• Having two identical alleles for a gene

• Having a dominant allele

What is the term for the observable traits of an organism?

• Genotype

• Phenotype

• Allele

• Nucleotide

Tags

NGSS.MS-LS4-4

Which of the following is an example of kinetic energy?

• A book on a shelf

• A compressed spring

• A moving car

• Water in a dam

Tags

NGSS.MS-PS3-1

What does acceleration measure?

• The speed of an object

• The change in velocity over time

• The distance traveled by an object

• The mass of an object

Which type of rock forms from the cooling and solidification of magma?

• Sedimentary

• Metamorphic

• Igneous

• Organic

What are sedimentary rocks primarily formed from?

• Heat and pressure

• Volcanic activity

• The compaction and cementation of sediments

• Chemical reactions in magma