Physical Science Rocks

What part of an atom always has a negative charge?

When Joshua created this table, he forgot to put labels on each column. What should he label Column A and Column B?

The diagram shows an electrical circuit. What object could be placed in the open space between the wires to complete the circuit? (nail, toothpick, eraser, pencil)

Electrons will move easily through aluminum. Based on this description, aluminum is a(n)

If you take a sheet of paper and make a paper airplane, what kind of change takes place?

Which object always works because of Earth's magnetic field?

Electricity cannot flow through rubber, therefore rubber is a(n) ____________.

Two clear substances are combined inside a plastic bag. The plastic bag is tightly sealed. The substances in the bag becomes warm. Is this a physical change or a chemical change?

Where is the magnetic field the strongest on a magnet?

Which type of magnet maintains a magnetic field at ALL times?

Weiyi poured lemonade into a cup and took a sip. She noticed the lemonade was warm, so she put it in the freezer. She forgot about it until the next day. When she took it out of the freezer, the lemonade had changed from a BLANK to a BLANK.

A mixture is made by combining sand and iron filings. What could you use to separate the iron filings from the sand? 

Did a physical change or a chemical change occur to the crayon in the picture?

Why is current electricity a better source for use in our homes than static electricity?

Anthony's dad wired new lights for his bedroom. When he thought everything was connected correctly, he turned on the switch and nothing happened. Is the problem from a closed or an open circuit?

Hair standing straight up after removing a wool hat is an example of ______________.

Which examples show human-harnessed electricity?

Which type of magnet can be turned on or off?

While eating an apple Justin noted that a chemical change was about to take place. Where in the digestion process do chemical changes happen?

Human-harnessed electricity is another name for _________ electricity.

What form of energy is cause by moving electrons?

If you put the North ends of two magnets together, what will happen?

Roman mixed his favorite small snacks into a trail mix. How did the physical properties of the different snacks change when he created the mixture?

Sylvia placed baking soda and vinegar in the bottom of 4 water bottles. It started fizzing and the balloon began to increase in size. What kind of change is happening in the photo?

Sammy's toast got stuck in the toaster. As he reached for a fork to get it out, him mom stopped and asked Sammy to unplug the toaster, first. Why?

Which state is water when the atoms have the least amount of movement?

True or False: Magnets attract all metals.

Students construct a simple circuit and place an item in the path. All of the following materials will conduct electricity EXCEPT __________. (steel, rubber, copper, aluminum)

What process occurs when ice absorbs heat energy from its surroundings?

How many wires would be needed to make this a closed circuit?

What part of the circuit is the battery?

Jheel and Saanvi are trying to understand why the circuit they just built doesn’t work. The switch for their circuit is shown above. Why is the electricity not flowing in their circuit?

If you set a piece of paper on fire, what kind of change takes place?

Maggie is making pancakes. How do the pancakes change as they are cooked? Is this a physical change or a chemical change?

True of False: Socks from the dryer sticking together is an example of human-harnessed electricity?

What must always happen in order for a chemical reaction to occur?