WorksheetsSCIENCE 1st Trim Exam Reviewer
Total questions: 77
Worksheet time: 39mins
Who invented the telephone?
Albert Einstein
Alexander Graham Bell
Nikola Tesla
Thomas Edison
Which scientist developed the theory of relativity?
Albert Einstein
Louis Pasteur
Gregorio Y. Zara
Stephen Hawking
Who discovered pasteurization to make milk safe to drink?
Angel Alcala
Louis Pasteur
Maria Y. Orosa
Benjamin Almeda
Who invented the first incubator for babies in the Philippines?
Fe Del Mundo
Angel Alcala
Narciso Mosuela
Gregorio Y. Zara
Who invented the fluorescent lamp?
Nikola Tesla
Thomas Edison
Gregorio Y. Zara
Agapito Flores (claimed, but Zara recognized)
Who created the electric light bulb?
Nikola Tesla
Thomas Edison
Albert Einstein
Stephen Hawking
Which Filipino scientist invented the videophone?
Narciso Mosuela
Benjamin Almeda
Gregorio Y. Zara
Maria Y. Orosa
Who invented the iPhone and Apple computer?
Thomas Edison
Steve Jobs & Steve Wozniak
Nikola Tesla
Stephen Hawking
Who invented the automatic rice grinder?
Narciso Mosuela
Benjamin Almeda
Maria Y. Orosa
Angel Alcala
Who invented the portable water heater and mosquito oiler?
Maria Y. Orosa
Narciso Mosuela
Louis Pasteur
Nikola Tesla
Who invented the “banana ketchup”?
Louis Pasteur
Maria Y. Orosa
Fe Del Mundo
Angel Alcala
Which scientist discovered the black holes theory?
Nikola Tesla
Stephen Hawking
Thomas Edison
Albert Einstein
Who worked to protect coral reefs in the Philippines?
Angel Alcala
Narciso Mosuela
Steve Jobs
Albert Einstein
Who invented the alternating current (AC) system?
Nikola Tesla
Alexander Graham Bell
Louis Pasteur
Thomas Edison
Which scientist combined science and technology to save food during World War II?
Maria Y. Orosa
Gregorio Zara
Albert Einstein
Angel Alcala
Which tool is used to measure liquid volume?
Ruler
Thermometer
Graduated Cylinder
Beaker Tongs
What lab tool is used to measure the temperature of water?
Balance Scale
Thermometer
Beaker
Ruler
Which tool is used to look at very small objects?
Beaker
Microscope
Flask
Funnel
What tool is used to hold liquids while heating them?
Test Tube
Erlenmeyer Flask
Dropper
Petri Dish
Which tool is used to protect your eyes during experiments?
Gloves
Apron
Goggles
Mask
Which tool measures the weight of an object?
Microscope
Balance Scale
Thermometer
Funnel
Why do scientists wear lab coats?
To look professional
To protect themselves from spills
To make experiments faster
To measure substances
Which tool is best for pouring liquids into containers with narrow openings?
Test Tube
Funnel
Flask
Dropper
What tool is used to heat substances in the laboratory?
Bunsen Burner
Beaker
Microscope
Flask
Which process skill is used when a scientist uses senses to gather information?
Measuring
Observing
Classifying
Predicting
Which process skill is used when a scientist makes a guess about what will happen?
Observing
Inferring
Predicting
Measuring
A student groups objects based on color. Which process skill is used?
Measuring
Observing
Classifying
Inferring
When you explain why something happened in an experiment, you are ____.
Observing
Inferring
Classifying
Measuring
If you want to know exactly how long a book is, what tool will you use?
Ruler
Thermometer
Microscope
Dropper
If you need to measure 100 mL of water accurately, what should you use?
Beaker
Graduated Cylinder
Flask
Test Tube
Which of the following is a physical property of matter?
Rusting
Burning
Color
Cooking
Which is a chemical change?
Melting ice
Cutting paper
Burning wood
Breaking glass
What happens when iron rusts?
Physical change
Chemical change
No change
Melting
Which change is useful?
Spoiling food
Burning garbage
Baking bread
Rusting metal
Which change is harmful?
Melting ice
Freezing water
Burning plastic
Cooking rice
Which is reversible?
Melting butter
Burning paper
Cooking egg
Rusting iron
Which material is malleable (can be shaped)?
Glass
Iron
Wood
Stone
Which is reversible?
Melting butter
Burning paper
Cooking egg
Rusting iron
Which material is malleable (can be shaped)?
Glass
Iron
Wood
Stone
Which change happens when water boils?
Liquid to solid
Liquid to gas
Gas to liquid
Solid to liquid
Why is freezing water useful?
It destroys food
It makes ice for drinks
It wastes energy
It causes rust
Why is burning garbage harmful?
It pollutes air
It cleans environment
It produces water
It makes plants grow
Which property makes rubber bands stretch?
Hardness
Elasticity
Brittleness
Strength
When food spoils, what kind of change happens?
Physical change
Chemical change
No change
Reversible change
Why is rusting iron a problem for houses?
It makes the metal stronger
It weakens metal parts
It makes walls colorful
It prevents accidents
Which change is needed for baking a cake?
Physical only
Chemical only
Both physical and chemical
No change
If you want to reuse plastic bottles, which change is applied?
Reversible physical change (recycling)
Chemical change
Rusting
Spoiling
What is the main function of the skeletal system?
To breathe
To give shape and support
To digest food
To pump blood
What is the largest bone in the human body?
Skull
Femur
Spine
Rib
What protects the brain?
Ribs
Skull
Spine
Sternum
What type of muscle works without us thinking?
Skeletal
Smooth
Voluntary
External
Which muscle type is found in the heart?
Skeletal
Smooth
Cardiac
Voluntary
What connects bones to muscles?
Ligaments
Tendons
Cartilage
Nerves
What connects bones to other bones?
Tendons
Ligaments
Cartilage
Veins
What organ system works with the skeletal system to allow movement?
Circulatory
Nervous
Muscular
Digestive
What is osteoporosis?
Muscle pain
Bone disease
Skin problem
Lung infection
Which bone protects the heart and lungs?
Skull
Spine
Ribs
Femur
Which muscle is voluntary?
Heart muscle
Arm muscle
Stomach muscle
Intestinal muscle
Why should children drink milk?
To keep bones strong
To grow hair
To prevent fever
To improve eyesight only
If a person breaks a bone, what system is affected?
Nervous
Muscular
Skeletal
Digestive
Why is exercise good for muscles?
It makes muscles weak
It strengthens muscles
It breaks muscles
It stops growth
Which pair works together to move arms and legs?
Bones and tendons
Muscles and bones
Ligaments and cartilage
Skin and nerves
Where does food digestion begin?
Stomach
Mouth
Intestine
Esophagus
Which organ grinds food with saliva?
Teeth
Liver
Heart
Lungs
Which organ connects mouth to stomach?
Small intestine
Esophagus
Large intestine
Liver
Where is food churned and mixed with gastric juices?
Mouth
Stomach
Liver
Large intestine
Which organ absorbs nutrients?
Stomach
Small intestine
Large intestine
Esophagus
Which organ absorbs water from undigested food?
Small intestine
Liver
Large intestine
Pancreas
Which organ produces bile to digest fats?
Pancreas
Gallbladder
Liver
Stomach
Which organ stores bile?
Pancreas
Gallbladder
Small intestine
Stomach
Which organ produces enzymes to help digestion?
Liver
Pancreas
Heart
Kidney
What happens in the mouth during digestion?
Absorption
Mechanical and chemical digestion
Only absorption
Only swallowing
What helps push food down the esophagus?
Chewing
Peristalsis
Breathing
Muscle cramps
Which is a digestive accessory organ?
Stomach
Small intestine
Liver
Esophagus
Which disease causes stomach pain due to acid?
Flu
Ulcer
Asthma
Arthritis
Why should children eat vegetables and fruits?
To damage stomach
To help digestion with fiber
To cause indigestion
To stop saliva
If a person eats too much junk food, what might happen?
Healthy digestion
Constipation and obesity
Stronger teeth
Faster absorption
