6th Grade Science Test 8

Question 1

earth-centered universe

Answer 1

Ptolemy

Question 2

sun-centered universe

Answer 2

Copernicus

Question 3

three laws of planetary motion

Answer 3

Kepler

Question 4

law of universal gravitation

Answer 4

Newton

Question 5

a symmetrically shaped oval

Answer 5

ellipse

Question 6

name means the “wanderers”

Answer 6

planets

Question 7

distance between the earth and the sun

Answer 7

astronomical unit

Question 8

the force of attraction that exists between any two objects

Answer 8

gravity

Question 9

the two points inside an ellipse

Answer 9

foci

Question 10

the phase of the moon displaying the most light

Answer 10

full moon

Question 11

the tide that occurs when the moon is in line with the earth and sun

Answer 11

spring tide

Question 12

made up of the sun and all the heavenly bodies that orbit it

Answer 12

solar system

Question 13

the only planets with no moons

Answer 13

Venus and Mercury

Question 14

the earth completes one of these in 24 hours

Answer 14

rotation

Question 15

the amount of time it takes for a comet to complete its orbit

Answer 15

period

Question 16

a solar year is how many days

Answer 16

365 1/4

Question 17

an asteroid-sized chunk of rock, dust, and ice that develops a huge, bright “tail” as it approaches the sun

Answer 17

comet

Question 18

a band of comet-like objects located beyond the orbit of Neptune

Answer 18

Kuiper belt

Question 19

list the planets in order from the sun

Answer 19

Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune

Question 20

Know what all the cave formations look like. Study them in your book and worksheets.

Answer 20

draperies
cave pearls
stalagmites
flowstone
stalactites

Question 21

Be able to label all parts of a flower.

Answer 21

sepal
petal
stamen
pistil
ovule

Question 22

Be able to identify the following constellations.

Answer 22

Andromeda
Centaurus
Draco
Cygnus
Cassiopeia

Question 23

crustacean, insect, or spider: ability to regenerate lost body parts

Answer 23

crustacean

Question 24

crustacean, insect, or spider: two distinct body regions

Answer 24

spider

Question 25

crustacean, insect, or spider: three pairs of jointed legs

Answer 25

insect

Question 26

crustacean, insect, or spider: strong pinchers

Answer 26

crustacean

Question 27

crustacean, insect, or spider: eight legs

Answer 27

spider

Question 28

crustacean, insect, or spider: one or more pairs of wings

Answer 28

insect

Question 29

Write a paragraph about the process of photosynthesis, including three important facts. You may tell about the things that are necessary for photosynthesis to occur, the purpose of photosynthesis, and the products that result because of photosynthesis. Use complete sentences.

Answer 29

In good sentences: (1) purpose–to make food; (2) importance–only green plants make food; (3) necessary “ingredients”–light, water, air; (4) takes place in the leaves; (5) products–oxygen, glucose.

Question 30

Explain the difference between a solar eclipse and a lunar eclipse.

Answer 30

A solar eclipse takes place when the moon blocks the sun from our view. A lunar eclipse takes place when the moon passes directly behind the earth: the earth briefly blocks sunlight from the moon, causing the moon to appear darkened.