Science NTA

Question 1

True or False?
Groups of elements bonded together are called molecules.

Answer 1

True

Question 2

True or False?
Water (H 2 O) is a compound.

Answer 2

True

Question 3

Fill in the blanks:
A compound contains ______ or more atoms bonded together __________ to form a molecule.

Answer 3

Fill in the blanks:
A compound contains ONE or more atoms bonded together CHEMICALLY to form a molecule.

Question 4

Fill in the blanks:
A mixture contains two or more _____, but they are not chemically bonded.

Answer 4

Fill in the blanks:
A mixture contains two or more ATOMS, but they are not chemically bonded.

Question 5

Homogeneous or Heterogeneous?
Pizza

Answer 5

Heterogeneous

Question 6

Homogeneous or Heterogeneous?
Sand

Answer 6

Heterogeneous

Question 7

Homogeneous or Heterogeneous?
Chocolate Chip Cookies

Answer 7

Heterogenous

Question 8

Homogeneous or Heterogeneous?
Italian Salad Dressing

Answer 8

Heterogeneous

Question 9

Homogeneous or Heterogeneous?
A jar of jolly ranchers

Answer 9

Heterogeneous

Question 10

Homogeneous or Heterogeneous?
Cheese sauce

Answer 10

Homogeneous

Question 11

Homogeneous or Heterogeneous?
Urine

Answer 11

Homogeneous

Question 12

Homogeneous or Heterogeneous?
Lotion

Answer 12

Homogeneous