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Term 1 Review - Human body, Separating Mixtures, and Rocks Flashcards | StudBud
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Term 1 Review - Human body, Separating Mixtures, and Rocks
Term 1 Review - Human body, Separating Mixtures, and Rocks
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1
Which food will start a chemical digestion in the mouth?
Chicken
Cheese
Noodles
Fish
2
Which statement defines erosion best?
Erosion is when rocks in the water will be wet.
Erosion is when rocks gets chipped and becomes smaller and smaller.
Erosion is when particles stick to rocks to make it bigger.
Erosion is when rocks is exposed to the Sun and gets easily hot.
3
Which of the options below is NOT one of the types of fossils?
Carbonization
petrification
Trace
Sedimentary
4
Which is an example of metamorphic rocks?
quartzite
magma
shale
lava
5
The increase in body size or body parts from a newborn to a child, teenager, and adult.
Height
Nutrition
Weight
Growth
6
Which statement is NOT TRUE about the stomach?
The stomach contains the enzyme pepsin.
The stomach and the oesophagus is connected.
The stomach digests and absorbs proteins.
The stomach contains hydrochloric acid.
7
What are signs of physical growth?
You have more friends than before
Ability to solve difficult math problems.
Increase in height and weight.
More control of feelings.
8
A mixture that looks the same throughout and no other parts can be seen.
Suspension
All of the above
Homogeneous
Heterogeneous
9
Which classification of mixture has the smallest particles and they mostly mix well homogeneously.
Solution
Colloid
Suspension
All of the above
10
The body system made up of many organs with the function of breaking down food and absorbing the nutrients.
the heart
the muscular system
the stomach
the digestive system
11
Which statement is NOT TRUE about sedimentary rocks?
Sedimentary rocks can form because of erosion and weathering.
Sedimentary rocks form from tiny bits of sand and rocks.
Sedimentary rocks are formed when other types of rocks are heated.
Sedimentary rocks are mostly softer than other types of rocks.
12
Which nutrient is the most important for healing and growing of muscles and tissues?
water
minerals
vitamins
protein
13
Which of the options below has the correct list of nutrients?
Carbohydrates, protein, eggs, fish and, fats
Carbohydrates, protein, fats, cheese, water
Carbohydrates, protein, vitamins, minerals, fats, water
Carbohydrates, protein, vitamins, fruits, vegetables
14
What does the enzyme lactase do?
It digests carbohydrates
It digests milk proteins
It digests sugars in milk
It digests fats
15
What is sedimentation?
Leaving the mixture on the desk for a while for it to settle down.
Combining the mixture together using a spoon.
Making sure the mixture is always mixed by always stirring it.
Having the mixture separated by pouring out the liquid.
16
What are the two types of digestion?
Mechanical and technological digestion
Enzymatic and chemical digestion
Mechanical and chemical digestion
Chemical and electrical digestion
17
Trace fossils are those that show behaviors and activities of living things in the past.
True
False
18
Which option is a good example of a heterogeneous mixture?
Corn, peanuts, and green peas mix
Coke
Saline solution
Sugar mixed in water
19
To be able to do decantation properly, which technique needs to be done first?
Sublimation technique
Sieving technique
Filtration technique
Sedimentation technique
20
Which nutrient is the most important for storing energy, keeping us warm, and breaking down vitamins A, D, E, and K?
carbohydrates
water
fats
minerals
21
What type of mixture is in the picture?
Colloid
Heterogeneous mixture
Homogeneous mixture
Saline solution
22
How do igneous rocks form?
Igneous rocks form from tiny bits and pieces of rocks and sand.
Igneous rocks form from minerals that's stuck in the bottom of the river.
Igneous rocks form from lava or magma that has cooled down.
Igneous rock form due to high heat and pressure without melting of rocks.
23
Which option shows a fossil undergoing mineralization?
When the trees die and get buried.
When the dead organism becomes soft.
When the dinosaurs were eaten by others.
When the bones become rocks.
24
In a mixture of salt and water, water is called the ___.
colloid
solute
solvent
particle
25
Mold is the part of a fossil that has a space inside.
True
False
26
Naturally occuring hard and solid materials made up minerals that form the Earth's surface.
plants
rocks
water
sediments
27
Which sedimentary rock contains fossils and is used in the production of cement?
Shale
Conglomerate
Pumice
Limestone
28
Carbonized fossils show imprints of leaves on to rocks.
True
False
29
Which is TRUE about metamorphic rocks?
They form through heat that melts the rocks.
None of the above
They form due to heat and pressure without melting.
They form through bits of pieces of rocks that gets cemented.
30
What tool is used to separate sand from pebbles?
sieve
filter
sandpaper
magnet
