Spring Break Assignment 2023

Boost science skills with our comprehensive review worksheet!

1. Label the parts of the atom using the following words (do not use capital letters): electrons, neutrons, protons protons neutrons electrons 2. Both particles X and Y have a positive charge. Particle Z has a negative charge. Both particles X and Y have a negative charge. Particle Z has a positive charge. Either particle X or particle Y has a positive charge. Particle Z has a negative charge. Either particle X or particle Y has a negative charge. Particle Z has a positive charge. 3. Beryllium Sodium Potassium Magnesium 4. Which of these observations is an indication that a chemical reaction has occurred? Steam forms above boiling water. A solid forms when two clear solutions are mixed. A solid forms when a clear solution is frozen. Sugar crystals form on the sides of a boiling pot of sugar water. 5. Match... metal malleable, luster, conductor, ductile nonmetal brittle, insulator, dull metalloid semiconductor 6.Use the words: conductor, insulator, semiconductor ( you can use the words twice) conductor conductor semiconductor insulator 7. Group = 15Valence = 5Period = 3 8. Examine the two chemical equations, then sort the descriptions. Equation 1 3 products 5 different elements 5 atoms of hydrogen involved 9 total atoms in the reactants 1 molecule of KCl produced Equation 2 2 different elements 10 total atoms in the reactants 3 molecules of oxygen involved 2 reactants 9. What is the average speed of the semitruck throughout the trip in mi 500 50 40 10.What is the acceleration of the block? The acceleration of the block is 1 m 11. The students have peridotite because it has a density of 3.1 g 12. Match the organ system with the function. skeletal system protects organs and support the body muscular system allows movement digestive system breaks down food circulatory system transports oxygen, waste, and nutrients respiratory system exchange of gases endocrine system regulates processes nervous system sense and responds to changes in the body and environment 13. Plant cell has large vacuole has chloroplast has cell membrane and cell wall Animal cell has small vacuoles no chloroplast has cell membrane 14. Carnivores and producers Herbivores and carnivores Producers and decomposers Decomposers and herbivores 15. Diptera Isoptera Ephemeroptera Zoraptera 16. Read the scenario and answer the questions by completing the sentence stems below. (Use any of the following words: increase, decrease, short term change, long term change, less, more) 1. Is this a short term change or long term change? short term change2.How is the brown tree snake affected by the environmental change (flooding)?The brown tree snake will have less food to eat.3.What will happen to the population of the Guam rail?The population of the Guam rail will decrease. 17. mitochondria chromosomes cytoplasm cell membrane 18.What phase of the moon will be on August 16, 2022? Waning gibbous waxing gibbous last quarter waning crescent 19.