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4th Grade science review Flashcards | StudBud
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4th Grade science review
4th Grade science review
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Flashcards
33 cards
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Questions
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Answers
1
When pieces of rock are picked up and moved to a new place it is called ____.
weathering
metamorphic
erosion
sediment
2
When scientists put things in groups according to their characteristics it is called _____.
classify
predict
measure
infer
3
Scientists use their senses to _____ the world around them.
observe
measure
predict
classify
4
Type of rock that form when small rock pieces settle and get squeezed together is _____.
hard rock
igneous
metamorphic
sedimentary
5
What is a scientist?
All the above
A person who studies the world
A person who observes living and nonliving things
A person who asks questions about the world
6
When scientists want to show how something works in real life, they may make a ___.
inference
machine
model
prediction
7
Resources that are continually replaced and will not run out are called ___.
reduced resources
renewable resources
recycled resources
nonrenewable resources
8
Why does the moon appear to change shape throughout the month?
the moon revolves around Earth
all of the above
the moon is not really changing shape
different amounts of reflected sunlight is seen from Earth
9
Objects are described by its characteristics (color, shape, texture...) called its ___.
senses
matter
properties
volume
10
Which animal behavior must be learned?
how to cry for help
how to eat and drink
how to stay close to its mother
how to defend itself from prey
11
Scientist use ____ to measure.
graduated cylinders
all the above
rulers
thermometers
12
The movement of pollen from a stamen to a pistil is called ___.
erosion
pollination
weathering
seed dispersal
13
Sound is a form of energy that is produced from _____.
matter
light
vibrations
mass
14
When rock wears away because of wind, water, or ice, this is known as _____.
matter
weathering
erosion
breaking
15
How long does it take for Earth to revolve around the Sun?
28 days
1 day
200 days
365 days
16
______ is how high or low a sound is.
power
volume
pitch
property
17
Heat is energy that flows from a _____ object to a ____ one.
top to bottom
warmer to cooler
left to right
cooler to warmer
18
Matter can exist in different forms known as ___.
states of matter
names of matter
forms of matter
classify matter
19
Type of matter that can spread to fill a space is called a ____.
all the above
gas
solid
liquid
20
Moving wind and air can be turned into ____.
energy
water
generator
machine
21
Scientists make a plan to answer their questions. This plan is called a ___.
experiment
conclusion
hypothesis
variable
22
Plants go through pollination, fertilization, seed dispersal, and germination in order to ___.
reproduce
eat
live
grow
23
The Earth's ______ is an imaginary line around which it spins or rotates.
Equator
axis
North Pole
rock
24
How long does it take Earth to rotate on its axis?
1 month
1 year
12 hours
24 hours
25
Scientists try to explain their observations and what they already know to ___.
predict
measure
hypothesis
infer or make an inference
26
This rock forms when melted rock cools or hardens.
sedimentary
erosion
metamorphic
igneous
27
Scientists use these observation tools during investigations.
hand lens
telescope
microscope
all the above
28
The sun gives us what type of energy?
light
heat and light
wind
heat
29
What is the first thing scientist do in the scientific method?
Ask questions
Make a hypothesis
Plan an experiment
Collect data
30
An experiment is designed by changing one item called a ____.
hypothesis
conclusion
data
variable
31
Why does the night sky appear to change?
it is not changing
Earth is revolving
Earth is rotating and revolving
Earth is rotating
32
The final step in the scientific method is for scientists to _____.
collect data
share their results
plan an experiment
hypothesis
33
Matter can be changed into new matter by ____.
decaying
all the above
rusting
burning