1
_____ objects are made up of matter.
All
If 60 grams of water boils in a sealed pot on the stove, how much will the water weigh after 2 minutes?
60 grams
Conservation of mass means that the mass of an object is always equal to the ____ of its parts.
a. difference
b. product
c. sum
d. quotient
c. sum
Mass is the amount of _____ in an object.
matter
_____ is the amount of space that something takes up.
Volume
What type of change occurs inside a glow stick that causes it to glow?
A chemical change
Which is a property of liquids?
a. rigid
b. crystal structure
c. luster
d. has mass
d. has mass
Which of the following is NOT a chemical change?
a. an egg frying
b. a rotting apple
c. souring milk
d. glass breaking
d. glass breaking
What new substance is formed when you mix vinegar and baking soda?
A gas (carbon dioxide)
physical
If Joe weighs 35 kg on Earth, how much will be weigh in space?
0 kg
Physical change
Suzie has a backpack that weighs 125 grams, and contains books that weigh 400 grams, paper that weighs 325 grams, and pencils that weigh 60 grams. What is the total weight of her backpack and contents?
910 grams
What tool is used to measure weight?
scale
Which has more mass?
a. an empty balloon
b. a balloon filled with air
b. a balloon filled with air
Which of the following is only a change in physical properties?
a. burning a match
b. baking cookies
c. freezing water
d. grilling steak
c. freezing water
Which of the following does not have mass?
a. space
b. solids
c. liquids
d. gas
a. space
What type of change happens when you burn a candle?
Chemical change
Which of the following is a physical change?
a. green tarnish on copper
b. rust forming
c. metal melting
d. cooking meat
c. metal melting
A chemical change is _______ to reverse.
a. difficult
b. easy
a. difficult
Which of the following is NOT a physical change?
a. rocket fuel burning
b. ice melting
c. juice freezing
d. sugar dissolving
a. rocket fuel burning
What type of substance is formed in a chemical change?
A new substance
What has mass and takes up space?
matter
What produces weight based on the mass of an object?
gravity
Which of the following is NOT evidence of a chemical change?
a. The clear part of an egg turning white
b. an egg breaking
c. The white of an egg becoming firm
d. The egg yolk becoming solid
b. an egg breaking