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1st Semester Review
Sloop's Benchmark Review - 1st Semester
| Question | Answer |
|---|---|
| What is an appropriate unit of metric measurement for the mass of an aspirin or vitamin? | Milligrams (mg) |
| What is the tool we use to measure the mass of an object? | Triple beam balance |
| What tool is used to measure the volume of a liquid? | Graduated cylinder |
| What is an appropriate unit of metric measurement for the length of your finger? | Centimeters (cm) |
| What is the density of an object that floats on water? | Less than 1 g/mL |
| What is the density of an object with a mass of 330 mg and a volume of 11 mL? | 30 mg/mL |
| Convert 3.55 mg into grams. | 0.00355 grams |
| How many meters are in 4.5 kilometers? | 4500 meters |
| Convert 867 L into mL. | 867,000 mL |
| What is the first thing you should do if something breaks in a lab experiment? | Let the teacher know |
| If you are working with chemicals, glass, or a heat source, what is the most important piece of safety equipment you should wear? | Eye goggles |
| What is the minimum number of trials you should have in any experiment? | Three |
| What is a dependent variable in an experiment? | The data that is collected |
| What is the independent variable in an experiment? | What the experimenter changes |
| You are growing houseplants under different color lights. What is a control you should have? | Same type of plants and same watering |
| You are growing houseplants under different color lights. What is the independent variable? | Color of light used |
| You want to see which car tire helps you drive the fastest. What is your dependent variable? | The top speed you go |
| When two or more atoms are bound together, what do you have? | A molecule |
| What is the smallest part of an element that has all the properties of that element? | An atom |
| What do you call a substance that has multiple different types of elements bound together? | A compound |
| Which of the following is a compound – O2, NaCl, H2, or S | NaCl |
| What do you call a substance that has all the same particles throughout? | A pure substance |
| Which of the following is a mixture – water, salt, salt water, sugar | Salt water |
| Which state of matter has the particles packed close together but they can still slide past each other? | Liquid |
| Which state of matter has particles with the least amount of energy? | Solid |
| What is the phase change called where a gas is changed into a liquid? | Condensation |
| What is the phase change called where a solid is changed to a liquid? | Melting |
| What state of matter do fire, stars, and lightning represent? | Plasma |
| Is salt dissolving in water a physical or chemical change? | Physical Change |
| Is lead mixing with iron a physical or chemical change? | Physical Change |
| Is carbon dioxide being formed from baking soda and vinegar a physical or chemical change? | Chemical Change |
| When steel cans react with air to form rust, is that a physical or chemical change? | Chemical Change |
| Is the ability to burn (flammability or combustibility) a physical or chemical property? | Chemical Property |
| Is the color and taste of an object a physical or chemical property? | Physical Property |
| Is the ability to dissolve (solubility) a physical or chemical property? | Physical Property |
| How many molecules does 6NaClO3 have? | 6 |
| If you dissolve 32 grams of sugar in 80 grams of water, what will the total mass be AFTER the sugar has completely dissolved? | 112 grams |
| How many total atoms are in 4CO2? | 12 |
| If you start out with 4CH4 + 2H2O in a reaction, how many hydrogen atoms must remain when the reaction is finished? | 20 |
| What is the kinetic energy of a 500 kg motorcycle traveling 40 m/s? | 400,000 J |
| What is the potential energy of a15 kg cat in a 10 meter tree? | 1,500 J |
| As a car goes down a large roller coaster hill, how do the kinetic and potential energy change? | Kinetic increases and potential decreases |
| As you increase the mass of an object, how is the potential energy affected? | It increases |
| What type of energy does a lightbulb primarily give off? | Electromagnetic (light) |
| Is heat energy potential or kinetic? | Kinetic |
| Is nuclear energy potential or kinetic? | Potential |
| What type of energy is stored in the fusing or splitting of atoms in the sun? | Nuclear |
| What type of energy is stored in food? | Chemical |
| What is the key word to help you remember how conduction transfers heat? | Touching |
| What is the key word to help you remember how radiation transfers heat? | Waves |
| What type of heat transfer do you count on when you lay in a tanning bed? | Radiation |
| When two objects rub against each other, energy is given off as what form? | Thermal |
| In a solar panel, light is transformed into what type of energy? | Electrical |
| If you increase the slope of a line on a distance-time graph, what does that indicate? | The object is speeding up |
| What is the speed of a train that goes 288 miles in 3 hours? | 96 mph |
| Which of these are valid units of speed – m/s, feet/mm, s/mm, cm/hour | m/s and cm/hour |
| If a car is being driven 68 mph for 3.5 hours, how far will you travel? | 238 miles |
Created by:
msloop
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