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by BlastRoom
Review DNA, heredity, mutations, chemical bonding, material properties, and scientific investigations.
#matatag_science_9
40 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.
The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
What shape does the DNA model show?
Which list contains all three components of a DNA nucleotide?
What components form the part marked A?
Which base belongs at the question mark in the DNA model?
Which enzyme is marked A at the opening of the DNA strands?
After normal DNA replication, what does each resulting DNA molecule contain?
Which statement describes a gene?
Where do the two members of a typical human autosomal chromosome pair come from?
Which nitrogenous base is normally found in RNA but not DNA?
Which mRNA sequence completes the figure, read from its 5′ end to its 3′ end?
What structure is marked A in this model?
What job does tRNA perform during protein synthesis?
Use the codon chart. Which amino acid replaces the letter A?
What type of change is shown between the chromosome bars?
Which change within a protein-coding sequence shifts the grouping of later triplets?
Which DNA damage commonly results from ultraviolet exposure?
A DNA change helps a plant survive drought and leave more offspring. How is its effect classified in that environment?
How many outer-shell electrons does a neutral atom of the highlighted element have?
Why is helium generally unreactive?
What charge will the atom with 11 protons have after the change shown?
What holds the particles of solid NaCl together?
Which formula matches the neutral compound formed by the ions in the diagram?
What is the name of KCl?
Which formula represents a neutral compound made from Na⁺ and N³⁻ ions?
What happens to electrons when two hydrogen atoms form H₂?
Which common name matches the molecule modeled here?
What is the systematic name of PCl₅?
In the diagram, how many electron pairs on oxygen are not shared with another atom?
Which particles carry electric charge along a solid copper wire?
Why does the modeled material remain together when its layers move under force?
Which change leaves the material's chemical identity unchanged?
What particles occupy the positions in this model of table salt?
In this test, what carries electric charge through the liquid between the electrodes?
Why is table salt's melting temperature much higher than ice's?
Luz writes, 'The liquid is cloudy.' Which basic science process skill does this use?
What is a newly formed solid called when it separates from solution during a reaction?
Ana shakes 1 g of each test substance in 20 mL water ten times, then measures foam height. Which is the independent variable?
Rico gives bean sprouts 20 mL of different liquids daily and records their height after five days. Which is the dependent variable?
Which procedure checks the repeatability of a bubble test?
Which statement describes the bond changes shown in the particle model?
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.
Pick a tile, answer, hit bonuses and steals.
Bond Formation and Chemical Change
20 questions
