Daily Science Test 7

Question 1

When would wet clothes on a line dry the fastest?

Answer 1

Warm/dry days. Dry air can absorb more water vapor.

Question 2

List four causes of air pollution.

Answer 2

Household chemicals
Cigarette smoke
Car exhaust
Factories (smoke)

Question 3

Which of the following objects will rust if left in water?
Aluminum pop can
Iron nail
Glass marble
Wooden spoon

Answer 3

Iron nail

Rust = iron mixed with oxygen to form an oxide

Question 4

Define precipitation.

Answer 4

Rain, hail, sleet, or snow that falls to the ground.

Question 5

Define condensation.

Answer 5

Water vapor that has turned into a liquid.

Question 6

What is the purpose of stored food in a seed?

Answer 6

Food for the tiny plant

Question 7

What is the purpose of the embryo of a seed?

Answer 7

How the tiny plant will grow.

Question 8

What is the purpose of the seed coat?

Answer 8

Protects the embryo.

Question 9

Know the parts of the seed

Answer 9

Seed coat, embryo, stored food.

Question 10

Correct this sentence.

Earth rotates around the Sun once every 24 hours.

Answer 10

Earth revolves on its axis once every 24 hours.

Question 11

How are weather and climate alike?

Answer 11

Both deal with temperatures.

Question 12

How are weather and climate different?

Answer 12

Weather is daily.

Climate is long term and in the past