Science - Unit E Day 3

Science - Unit E Day 3

SC.5.P.8.3: Demonstrate and explain that mixtures of solids can be separated based on observable properties of their parts such as particle size, shape, color, and magnetic attraction.

​TODAY’S TARGET: Separate a mixture based on magnetic attraction.

Multiple Choice

Which of these four objects do you think would be attracted to a magnet?

• pencil

• eraser

• paper clip

• piece of paper

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Multiple Choice

Mixtures of solids can be separated based on observable properties of their parts such as _________________.

• particle size, smell, and feel

• particle size, shape, color, and magnetic attraction.

• shape, and color

• magnetic attraction and shape

​MAGNETIC ATTRACTION

Magnets attract objects that are magnetic. Iron, for example, is attracted to magnets. A magnet will attract, or pull, an iron nail. A pencil, which is made of wood, is not attracted to magnets. A magnet will not pull a wooden pencil. Think of some other objects that you may tried to attract to a magnet.

​Magnets have two different ends, called poles. Depending on which end of the magnet you are using, one magnet will pull, or attract, the end of another magnet. But turn the ends of one of the magnets around, and now the magnets will push, or repel, each other.

Multiple Choice

What does the word "attract" mean?

• solid

• push

• pull

• mass

Multiple Choice

Which of the following objects cannot be moved by a magnet?

• A paper clip

• A nail

• A toothpick

• A staple

Multiple Choice

When two magnets attract, they ______________

• push apart
• change color
• get colder
• pull together

Multiple Choice

What will happen when these magnets are brought close together?

• They will attract each other.
• They will repel each other.
• Both magnets will turn to the left
• Both magnets will turn to the right