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Matter And Heat Transfer Review
Test Description: Review of heat and matter
Instructions: Answer all questions to get your test result.
1) Ms. Kelly took Winnie to get groomed. The groomer cut 2 inches off of Winnie's fur. What type of change occurred?
A
chemical
B
electrical
C
physical
D
thermal
2) Which statement describes liquids?
A
Their shape stays the same in a container
B
Their atoms are very tightly packed
C
Their shape changes when in different containers
D
Their size (volume) will never change.
3) An ice cube changed to liquid water. What most likely was the cause?
A
it was cooled
B
it was evaporated
C
it was hardened
D
it was warmed
4) Which of the following will result in a NEW SUBSTANCE being formed?
A
an ice cube melting
B
frying an egg
C
folding a piece of paper to make a paper airplane
D
spray painting a car
5) AJ left his bicycle outside on a hot, sunny day. Which explains why the bike was too hot to touch when he came back outside to ride it?
A
Heat radiated from the sun to his bike.
B
Heat convected from the sun to his bike.
C
Heat radiated from the bike to the sun.
D
Heat conducted from the sun to his bike.
6) Students observed a piece of iron change from shiny to rusty. What caused this change?
A
a chemical reaction
B
a physical reaction
C
a. heat reaction
D
a cold reaction
7) Which of the following is the best example of heat transfer by convection?
A
a lightbulb glowing
B
warm air rising throughout a house
C
ice melting
D
touching a hot pan
8) Two liquids are poured together, and a solid substance forms with no liquid remaining. Liquid 1 has a mass of 200 grams, and liquid 2 has a mass of 100 grams. What would be the total mass of the solid substance formed?
A
250 grams
B
200 grams
C
150 grams
D
300 grams
9) Stirring a cup of hot soup causes a metal spoon to get warm. Which statement BEST explains why the spoon gets warm?
A
Heat energy from the air transfers to the soup and then the spoon.
B
Heat energy from the hot spoon travels to the soup
C
Heat energy from the hot cup travels to the soup and then the spoon.
D
Heat energy from the hot soup travels to the metal spoon.
10) Why are liquids used in thermometers?
A
because most liquids expand when heated and contract when cooled
B
because most liquids melt when heated and freeze when cooled
C
because most liquids contract when heated and expand when cooled
D
because most liquids condense when heated and evaporate when cooled
11) Ramon boiled some water to make pasta for dinner. If Ramon left the water boiling too long, all of it would evaporate. This is an example of...
A
a liquid changing to a gas
B
a liquid changing to a solid
C
a gas changing to a liquid
D
a solid changing to a liquid
12) Katie took a popsicle out of the freezer and left it on the counter. When she came back 15 minutes later, what did she most likely find?
A
the popsicle had changed from a solid to a liquid
B
the popsicle had changed from a liquid to a solid
C
the popsicle had changed from a solid to a gas
D
the popsicle had changed from a liquid to a gas
13) Melissa accidentally left some chocolate bars in her car on a hot day. Which best explains what happened to her chocolate
A
the chocolate froze, changing from a liquid to a solid
B
the chocolate condensed, changing from a gas to a liquid
C
the chocolate melted, changing from a solid to liquid
D
the chocolate evaporated, changing from a liquid to a gas
14) Which of the following is the best example of a physical change?
A
bubbles forming when you mix baking soda and vinegar
B
a campfire
C
your body digesting the pizza you ate
D
breaking a mirror
15) Ms. Kelly added two Oreos with a combined mass of 24 grams to a baggie with a mass of 1 gram. She then takes a hammer and smashes the cookies into crumbs. What is the new mass of the cookie crumbs and baggie?
A
25 grams
B
34 grams
C
20 grams
D
24 grams
16) Which of the following is a true statement about solids?
A
The atoms are moving around freely
B
Solids don't have mass, they just take up space
C
Solids will take the shape of the container it is in
D
The atoms are the most tightly packed
*select an answer for all questions
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