Earth, Physical, Life Science - Fourth Grade

Question 1

Read carefully.

Accepted Answer

discussing how each one did their investigation

Question 2

Which of these explains why a glass of water cools down in the refrigerator?

Accepted Answer

Heat flows from the glass of water into the refrigerator.

Question 3

Zoë's teacher gave her a mystery lump. What is Zoë's best strategy to find out if it is iron?

Accepted Answer

seeing whether a magnet attracts it

Question 4

Cade is comparing two orange trees. Which of these is not an observation?

Accepted Answer

Tree 2 may not be getting enough water.

Question 5

What is the main way a cow gets its energy?

Accepted Answer

It uses the energy stores in the plants it eats.

Question 6

Which of these correctly compares the mass and volume of the objects?

Accepted Answer

The cube has more mass and more volume than the pyramid.

Question 7

Which of these is caused by the rotation of Earth on its axis?

Accepted Answer

the Sun, the Moon, & the stars appearing to move from E to W

Question 8

Which of these correctly compares the temperature of the water in the two cups?

Accepted Answer

The water in Cup 1 is 10°C cooler than the water in Cup 2

Question 9

Sunlight, wind, water, and coal can be used to generate electricity. Which is nonrenewable?

Accepted Answer

coal

Question 10

A ray of light hits a can of juice sitting on a table. What will happen to the ray of light?

Accepted Answer

F

Question 11

Which of these best describes how energy can affect an object?

Accepted Answer

It can make objects move.

Question 12

Which of these kinds of energy does a candle flame usually make?

Accepted Answer

heat and light

Question 13

Which of these will lower the temperature of the thermometer on the wall of the house?

Accepted Answer

Placing the thermometer under the tree

Question 14

Which of these describes both trees?

Accepted Answer

They both make seeds.

Question 15

Which of these is the best evidence that something is true?

Accepted Answer

Measurements show it is true.

Question 16

What is shown in this picture?

Accepted Answer

Sedimentary rock

Question 17

Which of these is more common in the winter in Florida than in winter in the northern states?

Accepted Answer

flowers blooming

Question 18

Read carefully.

Accepted Answer

The students were measuring in the shade of a tree.

Question 19

Sai wonders if two different balls both fall at the same speed? What is the best way to test?

Accepted Answer

Drop both from a window and see which hits the ground first.

Question 20

Look at the picture of three different animals. Which describes all three animals?

Accepted Answer

They all have backbones.

Question 21

Which of these is an example of weathering?

Accepted Answer

rocks in a creek becoming smooth

Question 22

Ron looks at the night sky at 10 pm two nights in a row. What happens in the 24 hours between?

Accepted Answer

Earth rotates once on its axis.

Question 23

When you see Vega (a star) and the Sun (another star) at night, the Sun appears brighter. Why?

Accepted Answer

Vega is farther away from Earth than the Sun is.

Question 24

How can this experiment be set up properly?

Accepted Answer

Group 1 should have a pot with no fertilizer added.

Question 25

Which of these is the best reason to say that an explanation is scientific?

Accepted Answer

The explanation is based on evidence.

Question 26

Which explains why the man can lift the boy onto the swing?

Accepted Answer

The man lifts the boy w/ greater force than gravity's force

Question 27

Which of these is an example of germination?

Accepted Answer

seeds sprouting tiny roots and leaves

Question 28

Le wants to keep his bottle of juice cold. Which of these will keep his juice the coldest?

Accepted Answer

a wool sweater

Question 29

Kids measured peers with different meter sticks & scales. Why did they get varied results?

Accepted Answer

one of the scales was not weighing correctly

Question 30

Navya wants to understand what sound is. Which best explains what sound is?

Accepted Answer

the energy made by objects vibrating in air or other matter.

Question 31

Xavier observed the stars every night for 5 nights. What did he observe?

Accepted Answer

The pattern of stars did not change much over five nights.

Question 32

Which of these shows the larval stage in the life cycle of a seagrape borer moth?

Accepted Answer

G

Question 33

The size of an adult animal is partly inherited from its parents. Which may also affect size?

Accepted Answer

the kind of food it eats

Question 34

Deforestation occurs. What will happen to most of the animals that live there?

Accepted Answer

They will move away in order to survive.

Question 35

Which of these shows wind moving an object?

Accepted Answer

G

Question 36

A ray of light strikes water in a bowl. What will the ray do when it strikes the water?

Accepted Answer

A

Question 37

Read carefully.

Accepted Answer

count the cranes on the pond every week during the fall

Question 38

Which of these is a natural resource found in Florida?

Accepted Answer

oil

Question 39

Which of these is a star that sends some of its energy to Earth in the form of light?

Accepted Answer

the Sun

Question 40

Matt notices that the Sun is much bigger and brighter than the starts he sees at night. Why?

Accepted Answer

The Sun is closer than the stars are.

Question 41

What kind of living thing should be in the empty box in this food chain?

Accepted Answer

a primary consumer

Question 42

A car travels at the same speed for x time. What do you need to know to find out its speed?

Accepted Answer

the time and distance it traveled

Question 43

Look at the picture of two magnets hanging from strings. Why are they stuck?

Accepted Answer

The N pole of M1 and the S pole of M2 attract each other.

Question 44

Which of these always happens when sandpaper is rubbed back and forth on a piece of wood?

Accepted Answer

The wood becomes warmer.

Question 45

Read carefully.

Accepted Answer

Robert is making observations.

Question 46

Which of these pictures shows matter that has changed into a different kind of matter?

Accepted Answer

Pie dough

Question 47

Cohen is trying to understand why light, heat, sound and electricity are all called energy.

Accepted Answer

They can all cause movement or create change.

Question 48

Jai was reading about plant reproduction. Which part of the plant helps make new plants?

Accepted Answer

the flowers

Question 49

Liz wants to place objects that have the same shape in a group. Which should she choose?

Accepted Answer

the baseball and the orange

Question 50

Which of these is a kind of energy?

Accepted Answer

sound

Question 51

Why is oil called a nonrenewable resource?

Accepted Answer

some day the supply of oil will run out

Question 52

Which of these shows how the Moon looks about one week after the new moon?

Accepted Answer

B

Question 53

Which of these forms of energy can travel from Earth to the Moon?

Accepted Answer

light

Question 54

Which of these best describes how the stems and roots of plants grow?

Accepted Answer

Stems grow to light & roots grow in the direction of gravity

Question 55

Gabriel is rubbing a piece of rock on a white tile. What is he testing?

Accepted Answer

streak color

Question 56

Look at the pictures of the same rabbit. What causes it to change from a dark color to white?

Accepted Answer

the season changing from fall to winter

Question 57

Which of these does a plant make using sunlight, air, and water?

Accepted Answer

the food it needs to live and grow

Question 58

What will help the most in becoming a great guitar player?

Accepted Answer

having musical ability inherited from parents

Question 59

Which of these is an example of condensation?

Accepted Answer

drops of water forming on the grass

Question 60

Kinsey watches the plane on the screen for an hour. Which is most likely to change constantly?

Accepted Answer

the position of the plane

Earth, Physical, Life Science - Fourth Grade

Questions 60

Earth, Physical, Life Science - Fourth Grade

Questions 60