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McCormack
McCormack - 1st Sem. Final Study Guide
| 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? | Centimeter (cm) |
| What is the density of an object that floats on water? | Less than 1.0 g/ml |
| What is the density of an object with a mass of 330 mg and a volume of 11 mL? | .33 g/11 ml .03 g/ml |
| Convert 3.55 mg into grams. | .00355 grams |
| How many meters are in 4.5 kilometers? | 4,500 meters |
| Convert 867 L into mL. | 867,000 milliliters |
| What is the first thing you should do if something breaks in a lab experiment? | Tell your teacher |
| If you are working with chemicals, glass, or a heat source, what is the most important piece of safety equipment you should wear? | Safety glasses |
| What is the minimum number of trials you should have in any experiment? | Three |
| 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 point |
| What is the potential energy of a15 kg cat in a 10 meter tree? | PE = m g h PE = 15kg x 9.8 m/s2 x 10m PE = 1470 Joules |
| As a car goes down a large roller coaster hill, how will the kinetic and potential energy change? | PE decreases KE increases |
| As you increase the mass of an object, how is the potential energy affected? | PE will increase |
| What form of energy does a light bulb primarily give off? | Electro Magnetic |
| Is moving energy potential or kinetic? | Kinetic |
| Is stored energy potential or kinetic? | Potential |
| What form of energy is stored in the fusing or splitting of atoms in the sun? | Nuclear |
| What form of energy is stored in food? | Chemical |
| What is the key word to help you remember how conduction transfers heat? | Direct touch |
| What is the key word to help you remember how radiation transfers heat? | Rays of the sun |
| 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? | Conduction / Heat |
| In a solar panel, ____ is transformed into what form of energy? List the two forms | __light__to _electric__ |
| If you increase the slope of a line on a distance-time graph, what does that indicate? | Speed increases |
| What is the speed of a train that goes 288 miles in 3 hours? | S = D/t Speed(s) = 96 mi / hrs |
| Which of these are valid units of speed – , feet/mm, s/mm, cm/hour m/s, km/hr | m/s, cm/hour,km/hr |
| If a car is being driven 68 mph for 3.5 hours, how far will you travel? | D = s x t (68 mi/hr x 3.5 mi) D = 353.5 miles |
| Your new BMW will go 25 to 85 in 5.2 sec. What is the acceleration? | Accel. = Vf - Vi / t (85 - 25 / 5.2) Accel. = 11.5 mi/hr/sec. |
| What is the acceleration due to gravity? | 9.8 m/s2 |
| Give the units for speed & acceleration and give one example of each. | Speed = m/s or kg/hr Accel. = m/s2 |
Created by:
fmccormack
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