a. the sun warms the earth
b. my mom cooks dinner on the stove
c. we make smores around a campfire
d. Two objects are rubbed together
100
Which one is NOT a source of heat?
a. a thermometer
b. a fire
c. the sun
d. friction
100
What is the difference between a conductor and an insulator?
(Teacher observation)
100
A space shuttle has to go through the atmosphere and the air gets as hot as 2,700 degrees. What most likely keeps the astronauts from burning?
a. insulation tiles
b. convection tiles
c. conducting tiles
d. friction tiles
100
Trent uses a thermometer to measure the temperature of his lemonade. It is 65 degrees. The temperature rises 6 degrees. What is the temperature of his lemonade now?
a. 45
b. 34
c. 71
d. 72
200
When two sticks are rubbed together, what happens?
a. friction and wind
b. friction and heat energy
c. air movement and warm wind
d. air movement and heat energy
200
What is the ultimate source of heat on Earth?
a. the sun
b. friction
c. campfires
200
An _____________________ is material that heat energy does NOT easily pass through.
a. conductor
b. insulator
200
Why does a metal spoon get hotter than a plastic spoon?
(Teacher observation)
200
Holly uses a thermometer to measure the temperature of her water. It is 45 degrees. The temperature rises 8 degrees. What is the temperature of her water now?
a. 34
b. 54
c. 53
d. 67
300
Give an example of friction?
(Teacher observation)
300
What is an example of friction?
a. boiling water
b. rubbing sticks together
c. roasting marshmallows
d. Hot Hands
300
A ___________________ is material that energy easily passes through.
a. conductor
b. insulator
300
Which of these would get hotter if left out in the sun all day?
a. a wooden block
b. a rubber ball
c. a metal spoon
d. a plastic cup
300
David uses a thermometer to measure the temperature of his lemonade. It is 84 degrees. The temperature rises 10 degrees. What is the temperature of his lemonade now?
a. 94
b. 84
c. 74
d. 45
400
What is a chemical mixture? Give an example.
(Teacher Observation)
400
Which does not easily get heat from the sun?
a. the roof of a house
b. the sand on a beach
c. a tree's leaves
d. the floor of a cave
400
Which one is a good conductor?
a. metal
b. wood
c. plastic
400
How could you make cup of water INCREASE in temperature?
a. put ice in it
b. add more cold water
c. put it in the freezer
d. add some boiling hot water
400
Mrs. Hodges recorded the temperature last night. What was happening to the temperature outside?
8:00 pm - 56 degrees
9:00 pm - 58 degrees
10:00 pm- 60 degrees
11:00 pm- 34 degrees
a. the temperature rose then fell
b. the temperature stayed the same
c. the temperature dropped
d. the temperature dropped, then rose
500
What are the 3 ways to make heat?
a. cooking, boiling water, and mixing chemicals
b. friction, burning, and mixing chemicals
c. friction, roasting marshmallows, and wind
500
Which is an example of burning?
a. rubbing sandpaper onto wood
b. a campfire
c. mixing chemicals
d. rubbing an eraser across the carpet
500
Why would a puddle of water get hot on the sidewalk?
a. heat moved from the puddle to the sidewalk
b. burning fuel warmed the puddle
c. energy from the sun warmed the puddle
d. friction from the sun warmed the puddle
500
If a bucket of water was 200 degrees when you put it outside on the sidewalk, and after one hour it measures 45 degrees, what is the weather like?
a. hot and sunny
b. cold
c. windy
d. thundering and lightning