Experiments
8. Robert wants to do a science experiment on snowballs. Which of the following questions could he use to investigate?
Ⓐ How long does it take different sized snowballs to melt?
Ⓑ What do different snowballs taste like?
Ⓒ Which snowballs are the most fun to throw?
Ⓓ How can I make a snowball?
Ⓐ How long does it take different sized snowballs to melt?
1. Which of the following is an example of friction producing heat?
Ⓐ A hot car parked outside under the sun.
Ⓑ Washing your hands with warm water.
Ⓒ An ice cube melting.
Ⓓ Dragging your feet on the carpet so that they get warm.
Ⓓ Dragging your feet on the carpet so that they get warm.
7. Maleqai is dragging a stool on a carpeted floor. Which part of his actions causes the most heat?
Ⓐ the wind pushing against him
Ⓑ the stool moving against the air in the room
Ⓒ the top of the stool
Ⓓ the bottom of the stool that is dragging on the carpet
Ⓓ the bottom of the stool that is dragging on the carpet
14. The pet store has special lamps located inside the tanks where the lizards are kept. Why do you think they have lamps in the tanks?
Ⓐ Because the lamps only produce light.
Ⓑ Because the lamps only produce heat.
Ⓒ Because the lamps produce heat and light.
Ⓓ Because the lamps produce air and light.
Ⓒ Because the lamps produce heat and light.
3. Science experiments are all different. One they have in common is that they all start in the same way. How should experiments start?
Ⓐ with a prediction
Ⓑ by organizing all the data in a table or a chart
Ⓒ with a conclusion
Ⓓ with a question or problem
Ⓓ with a question or problem
4. It’s starting to get cold outside! Why do you rub your hands together when it is cold?
Ⓐ You rub your hands because it is fun.
Ⓑ You rub your hands so that the air you make can make your hands warm.
Ⓒ You rub your hands because you are bored.
Ⓓ You rub your hands to cause friction which makes heat.
Ⓓ You rub your hands to cause friction which makes heat.
9. For his birthday, Fabio brought ice cream sandwiches, cupcakes, balloons and a candle to blow out. Which of the things he brought would most likely have the highest temperature?
Ⓐ the ice cream sandwiches
Ⓑ the cupcakes
Ⓒ the balloons
Ⓓ the candle
Ⓓ the candle
2. Mrs. Ruiz has ice in her coffee cup. How can she melt the ice more quickly?
Ⓐ Add more ice to the coffee.
Ⓑ Pour out the coffee and only leave the ice in the cup.
Ⓒ Put her coffee cup on the desk.
Ⓓ Place the cup under a bright light.
Ⓓ Place the cup under a bright light.
13. You just did an experiment on snowballs and concluded that bigger snowballs will take longer to melt than smaller snowballs. Why should you include detailed and organized data when you are presenting your experiment to the class?
Ⓐ so that the students can have something fun to look at
Ⓑ so that there is data to support your conclusion
Ⓒ so that everyone learns more about snowballs
Ⓓ so that the class can see what snowballs were the most fun to play with
Ⓑ so that there is data to support your conclusion
11. Which of the following things produce heat? Mark all that apply.
Ⓐ Putting a juice box in the fridge.
Ⓑ Rubbing your feet across the carpet.
Ⓒ They all give off heat and light.
Ⓓ Rubbing your hands together.
Ⓑ Rubbing your feet across the carpet.
Ⓓ Rubbing your hands together.
12. It is very cold outside, and you have a couple of things in your backpack. Which of the following is most likely to keep you warm?
Ⓐ A pencil sharpener.
Ⓑ A flashlight.
Ⓒ A piece of gum.
Ⓓ A book.
Ⓑ A flashlight.
5. When the wheels of a skateboard rub against the concrete, what is being made?
Ⓐ electricity is being made
Ⓑ air is being made
Ⓒ light is being made.
Ⓓ heat is being made
Ⓓ heat is being made
15. What will happen if you rub a towel on a wooden table?
Ⓐ The table will stay the same temperature.
Ⓑ The air around the table will become colder.
Ⓒ The wood will become warmer from the friction.
Ⓓ The wood will become cooler from the friction.
Ⓒ The wood will become warmer from the friction.
10. What do the sun, a candle and a light have in common?
Ⓐ They are all powered by electricity.
Ⓑ They are all powered by heat energy.
Ⓒ They all give off heat and light.
Ⓓ They both give off heat and electricity.
Ⓒ They all give off heat and light.
6. Mrs. Ruiz wrote four sentences on the board. Which of the sentences is true?
Ⓐ Most things that make light also make heat.
Ⓑ Most things that make heat also make light.
Ⓒ Everything that makes light also makes electricity.
Ⓓ Everything that makes electricity also makes light.
Ⓐ Most things that make light also make heat.