1 / 11

WEEK 31

WEEK 31. SKIP A PAGE IN YOUR CRCT NOTEBOOK!!!. 1. Sam wraps a coil of wire around an iron nail. He attaches the ends of the wire to a battery and then uses the nail to pick up paper clips. Why is Sam able to pick up the paper clips with the nail?.

erin-fletcher
Download Presentation

WEEK 31

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. WEEK 31 SKIP A PAGE IN YOUR CRCT NOTEBOOK!!!

  2. 1. Sam wraps a coil of wire around an iron nail. He attaches the ends of the wire to a battery and then uses the nail to pick up paper clips. Why is Sam able to pick up the paper clips with the nail? • The current passing through the wire produces a magnetic field. • Paper clips are conductors of electrical current. • The nail produces an electrical current in the wires. • The magnetic field of the nail causes a current to flow in the wires.

  3. 2. What is a mechanical wave? • A wave that transfers matter rather than energy. • A wave produced by a machine • A wave that requires a medium • An electromagnetic wave

  4. 3. Which of these is NOT evidence of a chemical change? • Chemical bonds are broken. • New substances are formed. • A gas is given off. • A substance melts.

  5. 4. Which substance can be separated into simpler substances by physical methods? • Oxygen • Water • Carbon dioxide • saltwater

  6. 5. What are two ways that heat can be transferred by collisions of particles in matter? • Radiation and convection • Convection and conduction • Conduction and radiation • Conduction and temperature

  7. 6. In the lab, which tool should you use to measure the mass of sugar? • triple-beam balance • Teaspoon • A ruler • A spring scale

  8. 7. A substance made of particles that are different colors and different sizes and are unevenly distributed throughout is • an element. • a compound. • a mixture. • a solution.

  9. 8. If you apply a constant force of 1 N on a book to pick it up from the floor and set it on a desk 1 m high, how much work did you do on the book? • 0.5 J • 1 J • 5 J • 10 J

  10. 9. Which of the following simple machines is a wedge? • Wheelbarrow • Doorknob • Ax • Truck ramp

  11. 10. A ball rolls a distance of 1 meter for 2 seconds. What is the speed of the ball? • 2 m/s • 1.5 m/s • 1 m/s • 0.5 m/s

More Related