Grade 3 Science Quiz PDF

GRADE 3 SCIENCE QUIZ 1. What is the process called in which plants change sunlight into food? a) Food Transfer b) Sunsynthesis c) Germination d) Photosynthesis 2. What type of scientist studies living plants? a) Entomologis...

GRADE 3 SCIENCE QUIZ 1. What is the process called in which plants change sunlight into food? a) Food Transfer b) Sunsynthesis c) Germination d) Photosynthesis 2. What type of scientist studies living plants? a) Entomologist b) Geologist c) Paleontologist d) Botanist 3. Which part of the plant attracts insects to help with pollination? a) Flowers b) Insects don't like plants c) Stems d) Roots 4. What part of the plant goes into the ground to provide the plant stability and absorb water? a) Stem b) Petals c) Leaves d) Roots 5. What are the leaves called that people use to flavor their food? a) Seeds b) Roots c) Petals d) Herbs 6. What part of the plant is in charge of photosynthesis or making food? a) Roots b) Pollen c) Flower d) Leaves 7. A sign that an apple tree is going to start growing apples is when the tree has: a) Leaves b) Trunk c) Roots d) Flowers 8. How can you measure the speed of an object? a) Measure the mass of the object b) Measure the acceleration of the object c) Measure the force put into the object d) Measure the time the object takes to travel a specific distance 9. Forces create what? a) Motion b) Stillness c) Rest d) Nothing Page 1 of 4 10.Who came up with the three laws of motion? a. Benjamin Franklin b. The Science Fun Scientist c. Galileo d. Isaac Newton 11.What small particles make up matter? a) Gas b) Lima Beans c) Molecules d) Dust 12.What would you have to add to solid ice to make it turn it into a liquid? a) Blender b) More solid c) Liquid d) Heat 13.When you take energy away from a gas and therefore turn it into a liquid, this process is called what? a) Evaporation b) Melting c) Freezing d) Condensation 14.What is it called when something goes from a liquid to solid state? a) Freezing b) Melting c) Hardening d) Steaming 15.Which phase of matter will change shape but NOT size a) Liquid b) Solid c) Gas d) All of them 16.Which of the following does not have mass? a) Iiquids b) Solids c) Gases d) All of them have mass 17.What position is the Earth from the sun? a) Third planet from the sun b) Closest planet to the sun c) Fourth planet from the sun d) Furthest planet from the sun 18.What is the sun? a) A really big planet b) A star c) A moon d) A really big flashlight 19.What type of scientist studies space from Earth? Astronomers study space from Earth using satellite images and calculations. a) Astronaut b) Physicist c) Geologist d) Astronomer Page 2 of 4 20.How long does it take the Earth to orbit the Sun? a) 24 hours b) 1 day c) 1 month d) 1 year 21.Which of these is not a planet? a) Mars b) Venus c) Pluto d) Jupiter 22.What time of day is your shadow from the sun the shortest? a) Noon b) Sunset c) At night d) Morning 23.What do we call a group of stars that looks like a picture? a) Constellation b) Solar System c) Milky Way d) Galaxy 24.Your little brother asked what would happen if you placed a cup of water on the window sill for a week inside the kitchen. Instead of just telling him, you told him to try the experiment for himself. What should your brother expect to happen by the end of the week? a) The water boiled and disappeared. b) More water collected in the glass. c) The water evaporated into a gas. d) The water froze inside the glass and turned into a solid. 25.Which of the following do all plants NOT need? a) Soil b) Water c) Sunlight d) Air 26.Cow lives in? a) Den b) Stable c) Burrow d) Shed 27.We should cross the road when the traffic light is? a) Red b) Green c) Yellow d) Blue 28.Largest salt water lake in the world is? a) Caspian Sea b) South-China Sea c) Lake Superior d) Lake Baikal Page 3 of 4 29.Which of the following planet has life? a) Venus b) Mercury c) Earth d) Jupiter 30.Which planet is nearest to Earth? a) Venus b) Mars c) Mercury d) Jupiter 31.How many bones are in the human body? 206 32.The concept of gravity was discovered by which famous physicist? Sir Isaac Newton 33.What is the hardest natural substance on Earth? Diamond 34.Which main gas makes up the Earth's atmosphere? Nitrogen 35.Who invented the Light Bulb? Thomas Alva Edison 36.Which planet in our solar system is known as the Red Planet? Mars 37.What is the name of the biggest planet in our solar system? Jupiter 38.Who invented the Telephone? Alexander Graham Bell 39.Which is the smallest bird in the world? Bee Hummingbirds 40.Which planet in our Solar System has thousands of spectacular rings around it? Saturn 41. Which planet in our Solar System takes the longest time to complete its revolution around the Sun? Neptune 42.What is the name of the largest moon of Saturn? Titan 43.Who successfully built and flew the world’s first Aeroplane? The Wright Brothers (Orville and Wilbur Wright) 44.Where in the human body can the smallest bone be found? The Ear 45.Write first 4 states of matters. 4- solid, liquid, gas and plasma 46. What was the name of the first artificial satellite to enter space? Sputnik 1 47.What is the biggest animal in the world? The Antarctic blue whale 48. In which year did the Apollo 13 space mission take place? 1970 49. What metal is the best conductor of electricity? Silver 50.At what temperature are Celsius and Fahrenheit equal? -40 Page 4 of 4