1. Daily Science Review
February 3, 2014

2. Which of the following is NOT a physical change that happens when water changes state?
a. Water boils
b. Water freezes
c. Ice sinks
d. Ice melts
Monday

3. 2 What kind of change occurs when gaseous nitrogen becomes very cold and changes to a liquid?
a. physical
b. chemical
c. Both physical and chemical
d. Neither chemical nor physical
Tuesday

4. Jim made a mixed salad from the ingredients shown in the table.
What was the mass of the salad after Jim added salad dressing to it?
75 grams
100 grams
140 grams
More than 140 grams
Ingredient
Mass (in grams)
Lettuce 75
Tomato 30
Carrot 20
Onion 15
Wednesday

5. Thursday As ice melts into liquid water, its temperature Increases
Decreases
Stays the same
Varies with the environment
Thursday

6. Friday Which of these is a chemical change?
A sweater is knitted from cotton yarn
Scissors cut cotton
Ketchup stains cotton
Acid eats a hole through cotton
Friday